Difference between revisions of "GRB220310A"
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| [[Image:GRB220310A_skymap_allrun_gh04_Kenta.png|thumb|800px|center|alt=Skymap for GRB220310A.|Skymap for GRB220310A; gammaness > 0.4; colorbar of the significance map has been adjusted for visualization]] | | [[Image:GRB220310A_skymap_allrun_gh04_Kenta.png|thumb|800px|center|alt=Skymap for GRB220310A.|Skymap for GRB220310A; gammaness > 0.4; colorbar of the significance map has been adjusted for visualization]] | ||
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+ | | [[Image:GRB220310A_skymap_allrun_gh07_Kenta.png|thumb|1600px|center|alt=Skymap for GRB220310A.|Skymap for GRB220310A; gammaness > 0.7; colorbar of the significance map has been adjusted for visualization]] | ||
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Revision as of 12:17, 6 April 2022
Go back to Transient observation logbook.
Contents
Alert Information
- Name/type of the alert: Name
- GCN notice: https://gcn.gsfc.nasa.gov/gcn3/31725.gcn3
- Triggered by: MAXI
- Alert coordinates:
- RA: 11 13 02.33 (hh mm ss), Dec: +23 15 08 (dd mm ss)
- RA, Dec in deg (ICRS): 168.2597083, +23.2522222
- Alert arrival time: 2022-03-10 01:01:48 UTC
- Other relevant information:
- Redshift (z):
LST Observations
- Dates of data-taking: 2022-03-09
- 2022-03-09
- Zenith range (deg): 6 -> 35
- Transmission9km:
- Observation condition: moon -> dark
- Observation mode: std wobbles
- Runs: 7371 - 7378 (moon: 7371,7372)
- Joint observations with MAGIC? : No
- ELOG link: Logbook URL
- Important comments: NSB level of Run7371,7372 should be below 2x dark NSB according to PMT anode current
- 2022-03-09
Analysis by Kenta
Analysis configuration
- Analyzer: Kenta Terauchi (Kyoto Univ., email: terauchi.kenta.74s@st.kyoto-u.ac.jp)
- Software versions:
- lstchain v0.9.2
- Cuts and parameters used:
- intensity > 50
- gammaness > 0.4, 0.7
- leakage < 0.2
- DL1 files :
Used DL1b files produced by LSTOSA (lstchain v0.9.X)
/fefs/aswg/data/real/DL1/20220302/v0.9/tailcut84/dl1_LST-1.Run0{7371-7378}.h5
- Random Forest :
src-indep (diffuse gamma, src_r<3deg, disp_norm)
/fefs/aswg/data/models/20200629_prod5_trans_80/zenith_20deg/south_pointing/20220215_v0.9.1_prod5_trans_80_local_tailcut_8_4
- DL2 MC data for IRF:
- Overall selected observation time: 132 min (2.2 h)
- Position analyzed: 168.2597083, 23.2522222 (deg)
- Analysis/data problems:
Theta2 plot
- theta < 0.2
- norm_range_theta2: 0.3 - 0.5
Skymap
- Background estimation method: ring background (mainly developed by Mathieu)