Weekly Report for Week Ending January 12, 2005

Due to the holiday we will not schedule a LIGO Executive Committee meeting for January 16, 2006.

Special Announcements:

Weekly Report Highlights

LSC Issues (Saulson)

No report.

LIGO Laboratory Administration (Lindquist)

STATUS OF MOUs (Lloyd)

LSC MOUs and Research Plans and Progress Reports

Listed below are complete MOUs and their attachments, which were approved and signed off by Peter Saulson and forwarded on to Barry Barish for his approval, after minor corrections. After Barish signs off on these they will be submitted to the DCC.

MOU                           Attachments

ACIGA                        ACF, DAT, LAS, OPS, OPT, SUS, Z

Balearic                        DAT, Z

CaRT                           ACF, DAT, OPT, Z

CEGG                          SUZ, Z

Columbia                      DAT, OPS, Z

Florida                         DAT, ACF, OPS, OPT, OUT, Z

Goddard                      DAT, OPT, Z

Hobart                         OPS, OPT, OUT, Z

IUCAA                        DAT, Z

Michigan                      DAT, OPS, Z

Moscow                       ACF, SUS, Z

NAOJ                          ACF, Z

NWestern                    ACF, DAT, Z

Oregon                         DAT, OPS, OUT, Z

Penn State                    DAT, OPS, Z

Rochester                     DAT, Z

SLU                             OPS, Z

Southern                       OPT, OUT, Z

Stanford                       ACF, LAS, OPS, OPT, SUS, Z

Syracuse                      DAT, OPS, OUT, Z

UTB                             DAT, OPS, Z

Wisconsin                     DAT, OPS, Z

WashState                    DAT, Z

LaTech, LSU and UTA were also signed off by Saulson and forwarded to Barish for signature, but are incomplete, missing various attachments. These will not be submitted to the DCC until all attachments have been received.

The new MOU from outside the LSC, the Experiment "Ricerca di Onde Gravitazionali" (ROG) of the Istituto Nazionale di Fisica Nucleare (INFN), is now complete with all signatures and will be submitted to the DCC.

SITE TELECONFERENCE (Lindquist)

A site teleconference was conducted Thursday, January 12, 2006.  The following were among the issues discussed:

  • SURF—we discussed the process for posting potential projects and reviewing them to make sure that LIGO resources are available to support the project and whether any coordination between projects is needed.  One suggestion was to use and Excomm meeting to review the proposals.
  • LDAS—tentatively planning an S5 shutdown the last week in February or the first week in March, which would provide a window for moving the Livingston LDAS back into its permanent facilities.
  • Accuconference—A new access number has been provided that seems to have solved the problem.  We are considering reestablishing a contract with Raindance as a backup.
  • Property—an inventory will be conducted at the endo of January at Livingston.  Will address only those assets in the Caltech system  R. Luna and E. Jasnow will make the trip.  A construction review will be conducted at the same time.  Complete inventories will be conducted at both sites before the nend of the year.
  • There are no open assigned actions.  The list of assigned actions updated through December 1, 2005 (the last time that it was updated) will be found Here.

PROPERTY MANAGEMENT (Luna)

>From: Rod Luna <rluna@ligo.caltech.edu>

  • Prepared and send out inventory list for LLO (R. Riesen).
  • Tagged three items for S. Anderson and one for L. Wallace.

DOCUMENT CONTROL CENTER (Turner, Mak)

>From: Linda Turner - turner@ligo.caltech.edu>

  • Returned yesterday from five weeks disability so nothing significant to report.

>From: Cleveland Mak mak_c@ligo.caltech.edu

Week Ending

January 12, 2006

In

Out

Packages

20

5

Faxes

15

27
  • Completed processing the large batch of drawings from Promec.
  • Scanning Project--Progress continues on scanning of miscellaneous boxes/files of documents.  Scanning is complete on those old blanket purchase order files.

COST SCHEDULE CONTROL SYSTEMS (Cunningham, Brambila, Kaufman)

>From: "Cronin, Holly" <Holly.Cronin@caltech.edu>

>From: "Brambila, Ruth" <Ruth.Brambila@caltech.edu>

  • Completed the expenditure type change on the maintenance purchase order #S006686 to Winternals and the payment has been issued before the due date.
  • Completed change order #30 to add the individual to assist DCC [replaces two students who left -pel].
  • Completed the change order to Star Service and submitted it to the vendor.
  • Working on the consulting agreement for Eric Myers.
  • Working on the change order to Northrop Grumman.
  • Completed change order #2 to Excel and submitted it to the vendor.

>From: Florence Kaufman <fkaufman>

  • Completed and posted the report for the Outreach Award as of the end of December 2005.
  • Noticed that the funding showing in Oracle to date for the Operations and R&D Award was short by approximately $240K, because there was an error when the Sponsored Research department posted the allocation of the latest funding installment of $16 million.  Notified Sponsored Research department and it has now been corrected.
  • Responded to request from Project Accounting to authorize funding realignments required so that 3 new fabrication accounts LIGO.DAQ/1, LIGO.DAQ/2, and LIGO.DAQ/3 could be set up.
  • Financial reports can be found at: http://docuserv.ligo.caltech.edu/~fireport. (For passwords contact Florence)

SUBCONTRACTS MANAGEMENT (Jasnow, Salone)

>From: Gina Salone <gsalone@ligo.caltech.edu>

  • Nothing significant to report.

>From: Ed Jasnow <jasnow@ligo.caltech.edu>

  • The site administrators from LHO, LLO, and MIT are visiting on campus this week for briefings from several Caltech groups.  These include Purchasing and Payables, P-Card, International Services, Human Resources, and others.  This is intended to acquaint the administrators with these people so they know who to contact in each area.

SUPPORT (Baldon, Hiroto, Lloyd)

>Irene Baldon

  • Processed the paper work for eighteen (18) new/revised trips.  At this time there are two (2) trips completed or in the works but are awaiting the necessary paper work to enter the P-Card system.
  • Completed sixteen (16) Expense Reports and there are twenty-six (26) reports yet to be done.  Presently there are zero (0) reports more than thirty (30) days old.
  • Arranged for a new/updated quote from Raindance for teleconference service; and worked on manually reentering the data from the old Calendar Program to the new Calendar Program.

>Julie Hiroto

No report.

>Dorothy Lloyd

  • Approved and submitted ~40-50 invoices (received during my absence) to Accounts Payable for payment.
  • Processed requisitions for standard purchases and payment requests. For more detail see Cost Schedule Control Systems report by Ruth Brambilla.
  • Jim continued with data entry in the LIGO database and helping out in the DCC.

DCC Steering Committee (Lindquist)

Linda will provide a status report tomorrow for the document management system team.

CHANGE CONTROL/CONTINGENCY MANAGEMENT (Lindquist)

  • Change Request CR-050010, Prototype Seismic Attenuation System for the HAM Chamber (HAM-SAS) was submitted by Dennis Coyne.  If approved, the change request will add the fabrication and test of a predominantly passive, seismic isolation system prototype for the HAM chamber, to the Advanced LIGO R&D program.  This request is being held pending recommendations.
  • Change Request CR-060001, Project Controls Support to Prepare for NSF Baseline Review was submitted by C. Wilkinson.  The change request was approved during the Executive Committee meeting held January 9, 2006.  Minutes have been distributed (LIGO-M060002).  The change authorizes the expenditure of funds for temporary support to prepare for the NSF Baseline Review of our Advanced LIGO Program currently scheduled for May 2006.

HUMAN RESOURCES (Akutagawa)

>From: Cindy Akutagawa <cindy@ligo.caltech.edu>

  • The next Staffing Committee meeting is scheduled for Monday, January 23, and the DRAFT agenda has been posted.

Quality/Safety (Tyler)

>From: Bill Tyler tyler@ligo.caltech.edu

Nothing significant to report.  Due to illness had to postpone the start of LIGO campus safety audits until next week.

LIGO Hanford Observatory (LHO) and Interferometer Operations (Raab)

Summary of Commissioning Activities at LIGO Hanford Observatory (compiled by M. Landry)

Winds progressively worsened through the week, reducing duty cycles in both machines but particularly H1.  Range and duty cycle histograms for all three interferometers were updated and made available here.  Taking advantage of some downtime due to winds at LHO and construction at LLO, some shorter MC commissioning tasks were attempted on the 4k (see links below relating to MC SUS filters and WFS1 phases and gain settings).

Commissioning highlights are bulleted below:

  • Opening PEM injections for S5 were analyzed and the results summarized.
  • Official triple strains were posted at the calibration webpage, using the S5 V1 calibrations on all IFOs.
  • A summary list of Tuesday maintenance tasks was posted.
  • Peaks near 280Hz in H1-H2 coherence plots were tracked to the fans used in Kepco power supplies.
  • H1 continues to show heightened sensitivity relative to H2 to anthropogenic noise (this time, local truck traffic).

4K IFO

  • rms amplitudes of test mass motions for all ITMs and ETMs at the fundamental violin mode were calculated.
  • High Q (50) force-to-pitch filters on the mode cleaner were seen to be doing more harm than good.  Later, lower Q (3) replacements were made.  Mode cleaner angle-to-length decoupling was performed in two sessions commissioning sessions, first here, then here.
  • Pentek noise was high on WFS1; the module was swapped out.  As a result, WFS1 phases were remeasured and reset, as were some quadrant gains.
  • A bug was discovered that impacted the transitioning of the IFO from LSC photodiodes to the acquire photodiode ASPD5.

2K IFO

  • 16.6Hz noise investigations prompted a move of MX accelerometers.
  • A hole in the enclosure associated with ISCT10 (2k as port) purge air was sealed, reducing the impact of dust after incursions onto the table.

DAQ

  • Several h2 digital controllers had to be rebooted on Thursday in order to relock the machine and achieve a low noise state.

LIGO Livingston Observatory (LLO) and Interferometer Operations (Zucker)

No report.

Initial LIGO Detector Science & Engineering (Coyne)

CDS

See also the CDS weekly meeting minutes in the commissioning archives.

CDS Software

Rolf Bork

  • Added a filter module to the LSC code to whiten the DARM_CTRL signal before it gets recorded to the DAQ system. This was due to be installed in LHO2K during this past Tuesday's maintenance period, but has been deferred to next week.
  • LHO reported a problem with the LSC code, i.e., the shutter triggers from the AS_Q signals were not working. I believe the problem here is that the trigger point in the code is at the outputs of the AS_Q filter modules instead of the AS_Q signals after the phase shifters. The code has been corrected and is ready to be installed.

CDS Hardware

No report

DMT

No report

PSL

Peter King

A number of spare PSL Eurocards were tracked down.

Optical Metrolgy

No report

40 Meter Interferometer (Weinstein)

IFO Commissioning

  • Rob has been thinking about deterministic locking strategies, and also quantum noise in 40m and AdLIGO.
  • Rana wrote and tsted a script to smoothly lock the dual recycled Michelson (DRMI) in a controlled, "deterministic" way, based on an algorithm from Rob (locking the Michelson with misaligned recycling mirrors, then slowly bringing the recycling mirrors into alignment). It works, but will benefit from stronger DC signals, which Rana is working on.
  • Rob has released a new, somewhat cleaned-up version of the LSC code, with gain switching for the DC PD signals, and a "pre-Input Matrix" to implement flexible switching from one LSC error signal to another during lock acquisition.
  • Rana is thinking about how to replace our Mach Zehnder with a single Pockels cell, driven by a signal which minimizes sidebands on sidebands. To that end, he evaluated the performance of the RF module built earlier to generate 4f, 5f, and 6f signals from a 1f input. He found that the module will work well if he adds some RF filters to improve rejection of parasitic frequencies. He has read up on the design of suitable RF filters and says he knows how to do it.
  • Monica and Dan are working together on the calibration of our DARM response and the associated noise spectrum and noise budget.

PSL Re-commissioning

  • The MOPA laser chiller temperature seems to be increasing; to be investigated.
  • The PSL slow loop was unresponsive, requiring a reboot of the c1psl cpu.

IFO Modeling

  • Osamu continues to develop his e2e model. right now it's still just a single arm. He has many details implemented (seismic noise, stacks, pendulum, etc), with more to come. He will merge in Monica's detailed optical plant for the full dual-recycled FPMI. The simulation behaves sensibly for lock acquisition of the single arm. He is modelling the common mode rejection of the seismic noise over the 40m arm length: CM noise is suppressed by a factor of more than 10 for frequencies below 10 Hz. Next: more tuning, then move to DRFPMI.
  • Monica continues to develop her e2e model of the full 40m optical configuration, with length control. She can lock the DRMI plus the Y arm, but the X-arm is problematic; needs tuning of demod phases. She measured the OLTF with modeler_fit.

DC Detection Development

  • Rob has started to assemble all of the pieces of the in-vac DC readout beamline on a breadboard.
  • Ben is continuing to work on the Solidworks assembly of the DCPD mount design. I have finished the design for the beamsplitter mount, and have given that to the machine shop for fabrication. The remainder of the pieces should go to the shop shortly.
  • Dan and Sam have set up the DC readout beamline PZT steering mirrors and measured the angular noise in pitch and yaw. They see several resonances; the lowest frequency one is at 120 Hz.
  • Keisuke Goda plans to bring his vacuum squeezer to Caltech in March and begin plans to implement it at the 40m. There is some space that can be easily freed up on the PSL table. We hope to begin the squeezed vacuum experiment by summertime.

Electronics, Controls, Computers

  • Ben has tuned a double-demod RFPD for our LSC system. He has measured the frequency response, and will measure the transimpedance to compare the shot noise with an older LSC RFPD. Now that he knows the right component values, the other two PDs can be stuffed and packaged in the near future.
  • Ben contacted Richard McCarthy for an installation drawing for the new Mode Cleaner servo that we just got. He replied almost immediately with a comprehensive suite of drawings that will make installation as painless as possible.
  • Rana worked on modifications to the the whitening board for the RFPD DC signals into LSC, which will be used for a deterministic locking scheme.
  • Stuart set up a script to incrementally back up all of our minute trends and all of our controls data (scripts, BURT snapshots, etc) to the data achive at CACR.
  • We have a new controls computer (op540m), that needs some set-up (by Alex).
  • Stefan installed rockIFO, a script that pipes any channel you want through any filter you want, to the speakers. Now we can listen to the error signal on whatever loop we're tuning.

Lab Infrastructure

  • Bob has been taking care of the lab and vacuum system while Steve is off this week on vacation at Mammoth.

Thermal Noise Interferometer (Black)

Nothing significant to report.

LASTI (Ottaway)

This week we welcomed David Hosken to the LASTI team from Adelaide University. He will be investigating the use of commercial optical amplifiers to scale up the power of the initial LIGO amplifiers.

Test Stand Installation (Mittlemann and Shapiro)

After we finished leveling the test stand last week Brett gave it a scrubbing, then we used the spacing jigs to set the beams at their proper location. The next step is to move the clean room over the test stand and to assembly the stiff table on it.

I have a working HEPI-controller for the BSC in its current configuation (no stack). I am currently taking sys-id data for sensor correction. Once that is done I will be able to test the adaptive fir controller in a LIGO-like configuatiion.

Preparation for vent (Ottaway, Corbitt, Innerhoffer, Ruet, MacInnes)

Time this week was spent preparing components for the double triple cavity test and the high power test cavity. This will be need to be ready for the vent next week.

Data Analysis and Computing (Lazzarini)

Simulation and Modeling (Yamamoto)

Status of advanced LIGO simulation -

This week, there were many activities related this topic, so I summarize the status, including progress.

General

There is an e2e framework, SimAdvLIGO, developed by Matt. This has necessary parts and cabling among components.  Matt gave a talk explaining the content of the package in the today's e2e weekly meeting. A LIGO note, T060010-00-E gives the overview of the package.

This package was used to demonstrate the lock acquisition of the 40m - like interferometer June 2005. This model does not model any IFO's, its arm length is 40m while the Michelson cavity size is that of adv.LIGO. This design was used because there was no fast simulation of the dual recycling cavity, and simulating using the 40m Michelson dimension was prohibitively slow.

But with this IFO setup, the locking problem of the 40m at that time was reproduced and possible scenario of locking was demonstrated.

40m modeling

Now a fast simulation module of a dual recycling cavity exists and several complementary 40m simulation works are going on.

Osamu has created a simulation setup of the 40m stack on noisy ground, and a FP locking was demonstrated to replicate the experience of the 40m system.

Monica has been working, based on Matt's frame work, to study the 40m inlock state.

Hiro has demonstrated the reproduction of the optical spring effect measured at 40m experiment. He also calculated the 40m sensitivity curve, which matched reasonably well with the theoretical calculation, except around the optical spring frequency. e2e's simple calculation gives too deep a dip at the frequency.

A 40m package will be built by combing these modeling efforts. This will be used to simulate the 40m locking. Together with reproduction of the spring effect and the sensitivity curve mentioned above, this will demonstrate that some of the major ingredients necessary of the simulation of the full adv.LIGO system is in the e2e package.

4k Advanced.LIGO Modeling

The first serious locking study has just started last week. Matt has started working on the locking procedure, first using a FP cavity without radiation pressure effect.  (See his report below) This simulation uses only plane wave approximation.

The suspension system uses the state space model calculated by Mark Barton. Both triple and quad pendulums are included. ETM and ITM are parallel quad pendulums.  There is a version which includes violin modes. One can choose to use either one with or without violin modes, depending on the requirement of physic and speed.

The seismic isolation system of Adv.LIGO is not available yet. Sany Yoshida is trying to incorporate the state space model of the active BSC system provided by Brian.  For now, based on the (required) spectrum specification of the table top motion of adv.LIGO HAM and BSC, an idealistic HAM and BSC were made which give the required table top motion when placed on Hanford seismic motion.

Missing piece

The major missing simulation tool is the fast simulation of the dual recycling cavity based on modal model. Right now, the fast dual recycling simulation is based on a plane wave approximation. It is good for LSC design, but ASC design cannot be done. The schedule of implementing this piece depends on other schedules, like COC specification. The development will take several months.

(Matt Evans)

Worked on AdvLIGO lock acquisition with quad-pendulum suspension and limited actuation forces.  The current limit on the test-mass actuator is 20uN, and the penultimate mass limit is 20mN.  These, in combiniation with the low light level available for locking, make LA a significant challange for AdvLIGO.

Standard fringe linearization alone appears to result in a threshold velocity close to 20nm/s.  In the coming week I hope to explore some form of guided locking in the hope that this threshold can be increased.

(Monica Variella)

Optical spring effect obtained with the e2e package for the 40m after having locked the central part of the interferometer (PRC,SRC and MICH) and the YARM and with radiation pressure just on ETMs: some verifications of the parameters are needed as the peak correspondant to the optical spring effect is at too high frequency respect to the expected one.

Verification of the demodulation phases for POX and POY signals.

(Osamu Miyakawa)

Finished building the seismic motion, seismic isolation, pendulum, LSC for a FP system, and compared with the 40m data.  See 40m weekly report.

(Hiro Yamamoto)

new e2e package released. 3.1.1.  Mechanical system of the adv.LIGO is more time consuming, so the state space module has been improved to speed up.  Digital filter package has been updated to include more standard filters.  Other bug fixes and user supports.

(Bruce Sears)

  • Completed implementation of importation of bundle content into not yet externally connected input bundle ports (PR 478)
  • Working on node swap problems (PR 523) and other misc items in PR list.

(Melody Araya)

ALFI

Finished implementing the additional features for the Info Panel.  (PR 296)

  • Additional information included such as the module type (PR 530)
  • Double clicking on different items of the list brought up their corresponding dialogs.

Editors in the setting window are now resizable.

Modeler

Installed and evaluated the Intel C++ compiler on homam.  The e2e software was successfully built using the compiler, but there was not significant increase in performance.   Unfortunately, the Intel compiler did not produce code which took advantage of the Opteron's features (64-bit).

Data Analysis Activities (Lazzarini)

(Mendell)

S5 SFT generation from h(t) has been started and goes back to about Dec 17, the time for which the h(t) start. I have checked the SFTs using SFTdumpall and SFTvalidate from the lscsoft/sftlib in CVS. I also put together a report on these checks and other tests. The report is posted on the S5 investigations page here (usual pulsar group access): http://www.lsc-group.phys.uwm.edu/cgi-bin/enote.pl?nb=puls5general&action=view&page=2

(Shawhan)

  • Discussed data acquisition and data handling software components with Lisa Bogue.
  • Investigated why science mode wasn't ended when the AS port shutter triggered at LLO (switching to ASPD5).
  • Reviewed S2 F-statistic pulsar search paper.

(Sutton)

This week I've been editing my cheese paper and working on the metric problem for the cheese.  I've started a paper with Maria Principe on her bursts Network Simulator project.  I'm also preparing my abstract on burst and stochastic searches for the APS meeting.

(Yakushin)

1) Studied the sensitivity of the waveburst pipeline in S5 with respect to sine-gaussian software injections (from SG1_S5 burst MDC frames) in the frequency range from 70 to 2000 Hz and presented the results at the burst telecon: http://ldas-jobs.ligo-la.caltech.edu/~waveburst/S5_LIGO_ONLINE_0/Investigations/Simulations/index.html Despite of loud low frequency glitches in L1, waveburst pipeline is roughly 50 percent more sensitive in S5 than in S4 for the same false alarm rate for most of the frequencies.

2) Studied L1 loud low frequency glitches detected by waveburst and presented the results at the burst telecon: http://ldas-jobs.ligo-la.caltech.edu/~waveburst/S5_LIGO_ONLINE_0/Investigations/L1glitches/index.html  Much more follow up study of these events is needed to understand their nature.

3) Working on the abstract for the April APS meeting where I shall present the preliminary results for untriggered burst search during the first few months of S5.

4) Spent several days on making event display run on ldas-pcdev1@CIT. What works under RedHat Enterprise at PSU, does not necessarily work under Fedora Core 4 at CIT and requires some porting. Upgraded waveburst S5 online page to use the latest version of the event display. The next step would be to make event display run under Condor since it takes 15-20 minutes to process a single event on one computer.

(Lazzarini)

Developing requirements on Adv. LIG optics surface qualities.

(Brown)

  • Worked on extreme mass ratio inspiral problem with Tapir group.
  • Scimon shifts at LHO:
    • The S5 online inspiral search is working well. There are some book keeping issues to resolve to make sure all analyzed data is properly tracked, worked on this while at LHO.
    • Checked new segment database for any errors: none found, everything has been performing well.
  • Fixed a bug in pipeline.py that was causing David and Kent problems and provided instructions for them to continue testing inspiral pipeline on OSG.
  • Working on implementing data quality flag management in segment server and writing documentation.

(Dupuis)

  • Started to work on my second S5 monthly report for known pulsars wanting to verify that the pulsar hardware injections are still extractable with new parameters since Dec 22.  And I will also examine the contamination of the Crab data near 60 Hz.  I had problems running the analysis which seems to be due to a different condor version between LLO and Caltech clusters (6.7.12 vs 6.7.14).  The first S5 monthly report is available at http://www.ligo.caltech.edu/~rejean/S5/ with username/password, lsc/lsconly.
  • Worked on proofing the F-stat paper before submittal to LSC

LIGO Data Analysis System

Software Systems (Blackburn)

LDAS

Focused on passing objects via data sockets between 64-bit Solaris build and 32-bit Linux build. The current working theory is that the ILwd data objects are sending data types that are being evaluated as different types between the two systems.

Work has started on a unit test to create a frame file that requires large file routines to access all the data to verify that large file support is working.

cmonClient - fix for PR2978 - put back cmd size into each cmd through gsi channel stream to server so each cmd can be delimited. Working on some issues with the all user cmds test.

cntlmonAPI(server) - fix for PR2978 - put back code to include cmd size with each cmd through gsi channel stream to client so each cmd can be delimited.

Testing: performed system test on ldas 1.8.54. Set up data socket test on tandem-ii for Ed.

TCLGLOBUS

Investigated XIO-based Tcl channel issue in which LDAS cmonServer receives consecutive LDAS cmonClient commands as a block. It turned out that LDAS cmonServer application needed to parse the consecutive commands coming from cmonClient application to find out the correct number of commands.

Continue working on Globus FTP Control (78 functions). 52 functions are tested. 16 functions are unsupported because they're for Globus internal use. Working on the remaining 10 functions (unit test and correcting SWIG implementation).

Working on Globus FTP Control user documentation and tutorial.

GRID COMPUTING

Determined that the latest Inspiral pipe patches from Duncan Brown for supporting L4 data are working. Data compression of over 9:1 has been achieved by omitting gridftp of unused data channels.

Began exploring the use of the just released VDT 1.3.10 client for the binary inpiral job submission onto OSG. This version will be part of the OSG 0.4.1 release scheduled in about 1 to 2 months.

Yum updated osg-itb and osg-itb-se and rebooted all systems.

Installed Condor-G from osg-client cache of OSG 0.3.4 on osg-itb-se (FC4).

Validated Inspiral pipeline application on OSG 0.3.4/0.4.0-pre-release on two Condor sites on ITB: (LIGO-CIT-ITB) and (FNAL_CMST1_TEST) using L4 data.  Condor-G on osg-itb-se submitted the 700 DAG node test.

Began testing of Inspiral pipeline on OSG 0.3.4 PBS sites on ITB.  Con- figuration issues at TTU-TESTWULF have been discovered and we are waiting on Texas Tech resources for fixes to be applied. Also waiting on resources at PSU for upgrading OSG_ITB_PSU to OSG 0.3.4.

Found bugs and fixes related to OSG 0.3.4, including bad VO URLs in VO-2.1 component (upgraded to VO-4.0) gridftp data collection for MonaLisa (being worked on by the OSG and VDT integration team) and memory leaks in GUMS 1.1 server (GUMS 1.0.1 server will be substituted in OSG 0.4.0).

Hardware Systems (Anderson)

Caltech

(Dan Kozak)

  • Updated firmware in CIT's 3511s and test 3510 to most current versions (4.13C, etc.)
  • Worked on Solaris 10 "seeing new FC devices" problem.
  • Closed the books on M7 & M8 data transfer (all data at the sites is now at CIT and on tape).
  • Found 34 tapes at LHO to be ejected for shelf storage.
  • Worked on LDR debugging (why is nothing transferring?) and tuning (eliminating old collections and upping the gpsStart times for the current collections).
  • Made sure that all 40m backup data was making it to tape.
  • Worked with Sam Waldman to make his jobs play well with others (i.e. not use all available tape drives).
  • The usual ingesting of S5 data.

(Phil Ehrens)

  • Replaced DVD drive in dataserver-test and installed Solaris 10 Update 1.
  • Made some cable bundles for the new cluster nodes.
  • Wrote wiki documentation for numerous configuration items on the various Sun and Linux servers.
  • Configured Sendmail on LDAS-CIT 'beowulf', datacache*, and ldas-gridmon.

(Erik Espinoza)

(Stuart Anderson)

  • Working on leaking cooling unit in 215 Synchrotron.
  • Continued testing of new version of Condor (6.7.14) on the LDAS-CIT cluster.
  • Testing Solaris 10 Update 1 interactsions with LDAS and SAM-QFS.
  • Worked on tracking down increasing LDR performance degradation since the start of S5.

MIT

(Keith Bayer)

  • Handling space issues in lab to accomodate liebert 5ton a/c unit.
  • Air handler has been placed on roof of NW17.

Livingston

(Igor Yakushin)

  • Condor got confused last Sunday and refused to accept any new jobs.  Restarting it fixed the problem.
  • LDRed corrected SG1_S5 burst MDC set from PSU. One problem that I have not fixed yet: out of 8353 frames, 250 remained with *.tmp extension and never got published.
  • LDAS room upgrade status: we expect the new HVAC unit to arrive at the end of January or beginning of February.

(Dwayne Giardina)

  • yum config changes on all Fedora Core 4 systems.
  • autofs changes on ldas-gridmon to mount /imports/mirror.
  • * Tapes ejected and shipped to CIT:  LL0794, LL0795, LL0798, LL0800, LL0802, LL0804, LL0809    note LL0794 reporting media errors and 45% full.
  • LL0850-LL0869 imported into L700 library
  • 177 out of 209 nodes have been up for 63+ days, since last electrical maintenance.  2 power strips have failed and been  replaced, 1 additional power strip required reset, leaving 8 nodes that have been down for maintenance issues during this timeframe.   
  • Note there is not a "node2", as it is currently ldas-gridmon.

Hanford

(Greg Mendell)

  • The main issue this week is tracking down what causes the LHO primary framebuilder filesystem to become too busy at times. However, S5 Data archiving, publishing, and RDS generation continues to run smoothly, and monitoring of these has allowed sys admins to correct minor problems as they arise with no loss of data. Also, I have started SFT generation from h(t) at the sites.

(Ben Johnson)

  • fb1 reboots have been traced to slow writing of raw minute trends. I have captured the output of iostat and see if this sheds light on the issue.
  • Shipped 2 RAID 351x controllers to Livingston, and fb0's old 3510 to Caltech (both went out on Wednesday).
  • I am continuing work on a metamonitor page, which should provide a concise summary of the LDAS monitors for the scimons at both observatories.
  • Replaced the lower controller in the 5 3511's at LHO with JBOD controllers, and inserted and configured a new FC blade in the FC switch. All went well.
  • Continuing work on publishing files which were missed previously (for runs prior to S5).

General Computing (Wallace)

MIT

(Keith)

  • Patched a number of windows boxes
  • Working on building some linux boxes for urops
  • Spec'ing and ordering several new laptops
  • Installed scsi card / drives into SB1500

Livingston

(Dwayne)

  • kantech security server:  door schedule was altered a while back for outreach, schedule was left in place inadvertently and doors weren't locked on Saturdays.  it is now fixed.
  • kantech security server:  Windows updates
  • kantech security server:  alarm notifications that require operator to acknowledge were not sounding, researched issue with Gary Traylor and Harry Overmier, we changed some settings and now it is working.
  • Adobe Acrobat reinstall on Janeen's laptop
  • HP 755CM large format plotter belt had crumbled to pieces, received quotes for replacement, and Bonnie ordered from local vendor.
  • Installed new Outreach image on 6 PCs in Outreach area.
  • rack mounted two new Sun x2100s with Shannon
  • One of the 2100s will be ligo-op.ligo-la.caltech.edu and will house the associated website, eventually to server our current 'www' pages as well.

(Shannon)

  • Fixed some scaling issues on the mrtg graphs.  Also fixed the bps ratings for the interfaces.
  • Found a windows machine over the weekend that was tripping the Norton antivirus signatures for Blodhound.Unknown.  This machine is having some serious issues and will have to be reinstalled.  This is the guest machine at LLO.
  • Installed a Wiki for some GC documentation.
  • Dwayne and I set up the two new sun servers which will host the new web server and the spam filter.  Dwayne did most of the web server setup.
  • Set up a laptop for Nessus use.  This is temporary until I can find a more suitable laptop for this.  Fedora Core 4, Nessus, various other network/security tools were installed.
  • Patched several machines with the windows .WMF patches.
  • Installed the latest snort signatures.
  • Still working on getting a netflow solution going.
  • Made changes to the firewall to accommodate the new ligo-op server.

Hanford

 

CIT

(Veronica)

  • LSC:  Working on the website for the March LSC meeting.  Updates to the Observational Results webpage.
  • LIGO:  Installed security patches on several Windows servers.  The rest need to be tested for compatibility before installing the patches.  Loading a test server for MySQL /php work.  LIGO website updates.  Working on the website for the Elba conference.  Misc. user support.
  • Project Science:  Addressed the issue of migrating the website to the ITS hosting service.

(Christian)

  • Created a backup of Cindy Akutagawa,Gina Salone and Florence Kaufman workstations.
  • Installed new drivers on Rod Luna's system in order for him to use the scanner/copier located in E.Bridge.
  • Configured Jay Marx's laptop to print to the network printer in Cindy and Julie's office.
  • Finished creating the unattended Windows XP CD. The CD will include the latest Windows security patches and additional software like Norton 10, Adobe 7, Exceed 7, F-Secure, Office 2003, FireFox, Windows installer and WinZip.
  • Other misc.: Continued onsite software/phone support.

(Larry)

  • Worked a number of procurements. Ordered items for different groups and distributed a number of previous orders that have arrived.  Took care of the billings of other misc. items for different people.  Talked with a number of people that will need items procured in the near future.  This includes both hardware and software.  Contacted Monarch concering the repair of the quad cpu computer. They are presently testing out the system with the replacement parts and it should ship next week.
  • Worked a number of calendar issues. The transition of the meeting room calendars is now taking place. The URL's will be updated in the near future.
  • Resolved a number of web related items. Most of the recent issues stem from the automount file on the web server being outdated.
  • Started the installation of a new SUN box. Depending on its performance it may be used as a new gateway box.
  • Worked a number of DCC items.  We've had a number of hoops to jump through on getting the new system setup.  Still a number of logistical items to work out.
  • Backed up and updated the OS on the CDS core computer system. Everything worked out OK, other then a font problem on one of the applications.
  • Worked various user account issues.
  • Continual work on the e-mail filters. Those that have provided whitelist locations have helped in cutting down the time we have to check for false positives.

Mail Statistics January 05-11, 2006

Mail Statistics

January 12, 2006

Rejected Messages

28,914 

Virus Messages

1,552 

Accepted Messages

15,258 

Total Messages

44,172 

 

Advanced LIGO and Supporting R&D (Shoemaker)

Advanced LIGO Systems, Management

Working on preparing for discussions at the NSF on Thursday.

Seismic Isolation

From: "Joseph A. Giaime" jgiaime@ligo.phys.lsu.edu

Agenda for the weekly SEI telecom Friday, Jan 6, 2pm Eastern, 1pm Central, 11am Pacific time

Announcements - single stage plans

  • Design exercise at Stanford in two weeks with goal to produce draft conceptual design.

BSC SEI status, Ken/ Dennis

  • Arland ahead of schedule with big plates manufacture.  Limerick about 2 weeks behind.  Lavalle grinding blades and rods for stage 0/1.
  • Alignment pin drawings sent to shops.
  • Blade load tooling appears to be compatible with new blade geometry, so Ken has sent it out.
  • Blade spring constant measurement jig under final design.
  • ASI's modified designs still need to be archived on PDM works.
  • Test stand leveled and grouted.  Next step is to adjust support beam spacing and fitting of clean room.

LASTI dspace space - Jay

  • Jay wants to remove old dSpace system from racks at LASTI to make room for new instrumentation; we would need to either relocate it or put it on wheels.  The consensus is that we need to have it there somehow.
  • BSC work, adaptive modeling and FIR (Rich M)
  • Adaptive feedforward FIR filter tests are noted in an entry in the LASTI log, using two Wilcoxsin, accelerometers for the source and two L-4Cs as witness sensors. One DOF, y, is studied.  
  • 1-40 Hz band targeted, with nice reduction right where it is needed, 1-10 Hz, and good reduction below.

HAM control with VME (Pradeep)

  • no report

ETF platform work -  Brian

  • Inverted suspension cage installed on the platform, studied in air with the cage sticking out of the chamber top.  All 12 DOFs are controlled, though no noise was studied.  
  • Rx and ry modes of stage 2 changed significantly around the cage resonance frequencies.
  • Rx and Ry active isolation performance is OK except at the cage resonances, where there are transmission peaks.  
  • Next step is to study passively damping these with a set of tuned mass dampers.
  • Started work on using the stage 2 vertical loops to damp the cage modes.

Suspension

From: Janeen Romie romie_j@ligo.caltech.edu

  • Finished up the noise prototype ETM test mass drawing with Gari and Dennis. Dwayne uninstalled and reinstalled Acrobat so pdfs are now possible from my laptop.
  • Working on actions from Dwight about the suspensions estimate.
  • Working on fleshing out the ear alignment/bonding fixture, concepted in T050205. Caroline has identified the ear drawing and part on the PDMWorks vault, D050169. I'll incorporate that into a goniometer/translation stage based fixture. I have a meeting with Helena and Caroline about this tomorrow.
  • Working on an agenda for the suspensions workshop after the LSC at Hanford, tentatively March 23 and 24.
  • Coordinating with Dave Ottaway on the quad delivery.
  • Working with Gregg Harry on the issue of testing the silica tipped earthquake stop prototypes.

From: Calum Torrie ctorrie@ligo.caltech.edu

Quad

Mark, Bob, Jay, Helena and I worked to suspend both pendulums. We have now added all of the local control OSEMS and these are now in the process of being tested with the new electronics. The Global control and the electrostatic drive have also been installed and the cabling added to the reaction chain. Some of the parts associated with the eddy current dampers have had to be re-worked, these should be completed by the end of the month. (Since these are an add on, they will not have any impact on the schedule.)

Install Fixtures

Oddvar sent me a DVD with all of the files on it for the lift and transport table (the ones we are having a prototype made for LASTI). I am in the process of adding these files to the PDMWorks vault. In order to do this I have to first of all tidy up some of the file history. I also plan to add a "red-line" release of the drawings based on comments from the workshop.

Gazebo (Caltech)

Mark and I have been measuring the response of the Gazebo loaded with the entire suspension. Details to follow.

Lower Structure

Mark and I measured the resonances of the lower structure, in 4 configurations. Details to follow.

Visits

Ian Wilmut is visiting from RAL next week.

From: Ken Mailand kmailand@ligo.caltech.edu

I’ve completed shop drawings for the SUS installation, plate style fixture, for Calum, and working on an assembly and list of purchase parts.

Core Optics

From: GariLynn Billingsley <Billingsley_G@ligo.caltech.edu>

Fused silica ITM blanks arrived from Heraeus glassworks, courtesy of our colleagues at Glasgow.  The pieces have not yet been inspected, no surprises are anticipated.

From: Bill Kells <kells@ligo.caltech.edu>

I will be trying to coordinate new TM scatter measurements during any "intervention" period which may be imminent.  To that end I have been going carefully through all the previous observation data and analysis. Recently this has come up also with respect to Albert L's commencing to re-analyze beam tube baffle scattering with respect to AdL. I am providing him with the best knowledge we have of the LIGO I situation (source).

Regrouping in this New Year we (Liyuan, myself, Garilynn) are focusing redetermined effort on elucidating the puzzle of ITM07 absorption. So far we just don’t see in the lab what was concluded from H1 operation. Of course we have not been exhaustive as of yet.

Pre-Stabilized Laser

From: Peter King pking@ligo.caltech.edu

Coherence measurements of the intensity noise of the Innolight NPRO were taken.  The results are being examined for consistency.

Auxiliary Optics

From: Michael Smith <smith@ligo.caltech.edu>

Solid Works Vertex Model:

I added baffles for all additional primary ghost beams.  I changed the "straw-man OMC" to a 4-mirror design identical to the 40M OMC, and added a SUS outline.  The vertex integrated layout model was checked-in to the PDM vault

SLC

Hiro is working on obtaining transfer functions for scattered light noise in ADLIGO.

PO MIRROR

I established a pitch and yaw specification for the suspended BS and ITMx PO mirrors, based on the output beam position at the PO beam viewport displacing less than 10% of the 100ppm beam diameter. ISC optics should then form an image of the viewport onto the WFS PD.

Other Laboratory R&D

From: Riccardo DeSalvo desalvo@ligo.caltech.edu

Alberto

  • Written some of the magic wand paper to compensate the GAS filter Center Of Percussion effect.

Yumei

  • Working in Solid works and ANSYS on HAM SAS.
  • Measuring Q vs. frequency for the HAM SAS IP legs by varying the load.

For additional information about this report, contact S. Whitcomb or P. Lindquist