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Recent Timing Diagnostic Results

This document presents the recent timing diagnostic results as discussed during the LIGO Scientific Collaboration (LSC) meeting held at MIT, Boston from July 23-26, 2007. Authored by Rubab Khan, Luca Matone, Szabi Marka, and Daniel Sigg, it details significant findings related to timing performance during the first 20 months of the S5 science run. Key topics include a cross-verification to atomic clocks, auxiliary timing channels, and a comprehensive assessment of timing hardware for Advanced LIGO. The research highlights stable timing performance and outlines future tasks for cumulative data analysis.

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Recent Timing Diagnostic Results

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  1. LSC-Virgo Meeting 2007 July 23-26, MIT, Boston Recent Timing Diagnostic Results Rubab Khan1, Luca Matone1, Szabi Marka1, Daniel Sigg2 1Columbia University, GECo 2LIGO Hanford Observatory LIGO-G070551-00-D R.Khan, L. Matone, Sz. Marka, D. Sigg - Recent Timing Diagnostic Results - LIGO-G070551-00-D - Wednesday, July 25, 2007

  2. LSC Timing Diagnostic Results R.Khan, L. Matone, Sz. Marka, D. Sigg - Recent Timing Diagnostic Results - LIGO-G070551-00-D - Wednesday, July 25, 2007

  3. LSC Timing Diagnostic Results 1 Day ~14 hours 7pm CDT R.Khan, L. Matone, Sz. Marka, D. Sigg - Recent Timing Diagnostic Results - LIGO-G070551-00-D - Wednesday, July 25, 2007

  4. Auxilary Timing Channels Detailed results are available from: http://www.gravitationalwaves.org/Detector/Timing/LIGO/TESTS/S5TIMEMON/ Per Science segments results are available for H1, H2, L1 at http://www.gravitationalwaves.org/Detector/Timing/LIGO/TESTS/S5TIMEMON/segment_timing/ first 20 months of S5 R.Khan, L. Matone, Sz. Marka, D. Sigg - Recent Timing Diagnostic Results - LIGO-G070551-00-D - Wednesday, July 25, 2007

  5. Example: Auxilary Timing Channels H1 (Feb 2007) EX, EY, LVEA PEM timing R.Khan, L. Matone, Sz. Marka, D. Sigg - Recent Timing Diagnostic Results - LIGO-G070551-00-D - Wednesday, July 25, 2007

  6. Example: Auxilary Timing Channels H1 (Feb 2007) EX, EY, LVEA PEM timing R.Khan, L. Matone, Sz. Marka, D. Sigg - Recent Timing Diagnostic Results - LIGO-G070551-00-D - Wednesday, July 25, 2007

  7. Example: Auxilary Timing Channels H1 (Feb 2007) EX, EY, LVEA PEM timing R.Khan, L. Matone, Sz. Marka, D. Sigg - Recent Timing Diagnostic Results - LIGO-G070551-00-D - Wednesday, July 25, 2007

  8. Cross Verification to Atomic Clock Detailed results are available from: http://www.gravitationalwaves.org/Detector/Timing/LIGO/TESTS/S5ATOMIC/Atomic.html first 18 months of S5 R.Khan, L. Matone, Sz. Marka, D. Sigg - Recent Timing Diagnostic Results - LIGO-G070551-00-D - Wednesday, July 25, 2007

  9. Example: Symmetricom vs. Atomic Symetricom/Agilent 58503B GPS vs. Symmetricom CsIII Caesium Clock http://www.symmttm.com/pdf/Gps/ds_58503b.pdf R.Khan, L. Matone, Sz. Marka, D. Sigg - Recent Timing Diagnostic Results - LIGO-G070551-00-D - Wednesday, July 25, 2007

  10. Example: Symmetricom vs. Atomic Symetricom/Agilent 58503B GPS vs. Symmetricom CsIII Caesium Clock R.Khan, L. Matone, Sz. Marka, D. Sigg - Recent Timing Diagnostic Results - LIGO-G070551-00-D - Wednesday, July 25, 2007

  11. Example: Symmetricom vs. Atomic Symetricom/Agilent 58503B GPS vs. Symmetricom CsIII Caesium Clock R.Khan, L. Matone, Sz. Marka, D. Sigg - Recent Timing Diagnostic Results - LIGO-G070551-00-D - Wednesday, July 25, 2007

  12. Example: Symmetricom vs. Atomic Symetricom/Agilent 58503B GPS vs. Symmetricom CsIII Caesium Clock R.Khan, L. Matone, Sz. Marka, D. Sigg - Recent Timing Diagnostic Results - LIGO-G070551-00-D - Wednesday, July 25, 2007

  13. Summary • LSC (DuoTone) results indicate stable timing performance • ToDo: cumulative database for S5 LSC timing • Summary of timing information on auxilary channels is available on the web • Summary of long term timing hardware comparison information is available on the web • Hardware parts presently studied for Advanced LIGO are promising R.Khan, L. Matone, Sz. Marka, D. Sigg - Recent Timing Diagnostic Results - LIGO-G070551-00-D - Wednesday, July 25, 2007

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