= Engineering Run 2 (JST 2019/7/13) =
<<TableOfContents(2)>>

 * JST: Jul. 13, 2019, --(12:00)-- 12:37 - 18:00 JST

 * GPS: --(1247022018)-- 1247024238 - 1247043618

== Data related ==

 * KAGRA full data 
  * m31:/data/full : Full KAGRA data

 * Low latency data

  * m31:/data/ll_merged/  : Low latency data packed in 4096 seconds

  * hydra:/data/ll_merged/  : Low latency data packed in 4096 seconds

  * hydra: /data/ll-sharing/shm/llhoft/ : Low latency data (1 second) dumped from shared memory (retained only for 8192 seconds)

 * channel name

  * From [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/RUN#ER_with_MICH_on_Jul._13 | ER2 (DetChar)]]
  * K1:CAL-CS_PROC_MICH_DISPLACEMENT_DQ (We used this channel.)
  * K1:CAL-CS_PROC_IMC_FREQUENCY_DQ

 * Low latency data channels
  * K1:DCS-CALIB_STRAIN_C10 16384
  * K1:DCS-CALIB_STATE_VECTOR_C10 16
  * K1:CAL-CS_PROC_IMC_FREQUENCY_DQ 16384

 * lock flag

  * K1:GRD-LSC_LOCK_STATE_N = 157

 * data quality vector
  * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/DataQuality#Online_Data_Quality_Vector | definition]]
  * We cbc group should check the second bit is 1.

 * CBC lock segments
  * We checked lock flag of each data and collected the locked data. We considered lock segments by file units for convenience. If compared with [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/RUN#ER_with_MICH_on_Jul._13 | lock segment(DetChar)]], this lock segment is small slightly.

  || '''#'''  || '''start GPS'''  || '''stop GPS'''  || '''duration'''  ||
  || 1  || 1247024288       || 1247043616      || 19328             ||

== Off line analysis ==

=== Check point ===

 * Check the available locked data '''(done)'''
  * Summarize the data length '''(done)'''

 * Estimate power spectrum density '''(done)'''
  * Summarize information in pdf '''(done)'''

 * Generate lock list and segment list '''(done)'''

 * Generate template bank '''(skipped)'''
  * How many waveforms we need? '''(skipped)'''

 * Search signals by matched filter and chi^2 '''(done)'''

 * Summary the output of search '''(done)'''
  * histogram of SNR '''(done)'''
  * glitch list(GPS, JST, mass, ISCO frequency, duration) '''(done)'''

=== Output of search ===

 * Summary of locked data [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/DAWG/CBC/ER2#Data_related | CBC locked segment]]

 * Averaged PSD [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10448 | JGWdoc]]

  * Power spectrum density (PSD) is averaged over 1 sec chunks by taking median.

 * Calculation time to search for signals

  * Read 500 sec data : < 1 min

  * Estimate PSD : 2~3 min.

  * matched filter+chi^2 with single waveform (not bank) : < 1 min


 * Histogram of detection statistics [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10448 | JGWdoc]]
  * If data is Gaussian, <snr>=1.

 * Time series of detection statistics [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10448 | JGWdoc]]
  * waveform : 1.4 - 1.4 Msun
  * Beginning and ending 50 sec data were removed from the result.
  * We uploaded the 3 kinds of time series results which were maximized over rho(matched filter), chi square, rhohat(detection statistics) during 1 second window.
   We added time series of rho and chi square, because time series of rhohat don't contain the information of the glitch.
  * File names are
    * "cbc_max_rho_ER2.txt" (this data indicates the time when data contains high power)
    * "cbc_max_chi2_ER2.txt" (this data indicates the time when data contains high power in specific frequency band)
    * "cbc_max_rhohat_ER2.txt" (this data indicates the time when data "might" contains gravitational wave signal)

== Online analysis ==

 * Online matched filtering
  * July 13, 17:08 - 18:00 JST
  * Using low latency data files (1 sec) dumped from shared memory 
  * About 1 minutes deley
  * CH: K1:DCS-CALIB_STRAIN_C10
  * Template: (30,30)Msun, no spin, Waveform: IMRPhenomD
  * Used pre-computed PSD

 * Plots 

== Link ==

 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/DAWG/CBC/ER1 | CBC search in ER1]]

 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/RUN#ER_with_MICH_on_Jul._13 | ER2 (DetChar)]]