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DetChar (General)
takaaki.yokozawa - 12:28 Sunday 25 August 2019 (10109) Print this report
Quick check of the coherent channel with FPMI displacement 190823

I applied broco to the data at 2019/08/23 18:00

K1:CAL-CS_PROC_DARM_DISPLACEMENT_DQ

https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10655

 

1. coherence with SRM oplev around 10Hz (not so large coherence at the SR2, SR3)

2. coherence with PR2 damp signal around a few Hz (not so large coherencew at the PR3)

3. Some peak from the vibration of the PSL optical table

4. Large vibration from the vacuum pump (312.5Hz, 460Hz)

5. others

Comments to this report:
takaaki.yokozawa - 22:09 Sunday 25 August 2019 (10115) Print this report

file:///users/DET/Result/Bruco/medm/CAL-CS_PROC_DARM_DISPLACEMENT_DQ-ALS-LSC-CAL/1250586018-500/index.html

Sorry, dominant noise source is MICH control roop.

Let's add the whitening circuit!

Images attached to this comment
takahiro.yamamoto - 12:05 Monday 26 August 2019 (10119) Print this report
Sensitivity curve in page2 is something strange.

Was the boost filter really turned ON while 18:00-18:10?
I wonder that Sensitivity is contaminated by DC noise due to switch the boost filter.

I summarized when the switch was turned on/off in http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/RUN/FPMI1st.
My memo shows only GPS time. I haven't checked as the local time yet... Please check them.

takaaki.yokozawa - 23:53 Monday 26 August 2019 (10132) Print this report

Thank you for your comments.

Actually, GPSTime=1250586524 corresponds to 18:08:26 JST

So, I will re-analysis using the data with 18:10-18:20

takahiro.yamamoto - 0:30 Tuesday 27 August 2019 (10133) Print this report

Segment list for data analysis.

http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/RUN/FPMI1st

#

start GPS

stop GPS

duration

start JST

stop JST

comment

1

1250549001

1250550249

1249

07:43:03

08:03:51

-

2

1250556620

1250558848

2229

09:50:02

10:27:10

-

3

1250560250

1250561743

1494

10:50:32

11:15:25

-

4

1250563050

1250583385

20336

11:37:12

17:16:07

-

5

1250583386

1250583561

176

17:16:08

17:19:03

COMCOMP=ON

6

1250583562

1250583629

68

17:19:04

17:20:11

COMCOMP=OFF

7

1250583630

1250586523

2894

17:20:12

18:08:25

COMCOMP=ON

8

1250586524

1250587614

1091

18:08:26

18:26:36

COMBOOST=ON

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