Difference between revisions of "GRB221009A"
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* '''Dates of data-taking''': 2022-10-10,12,15,16,17,18,21,23 | * '''Dates of data-taking''': 2022-10-10,12,15,16,17,18,21,23 | ||
** 2022-10-10 | ** 2022-10-10 | ||
− | *** Zenith range (deg): -> | + | *** Zenith range (deg): 38.8 -> 57.9 |
*** Transmission9km: | *** Transmission9km: | ||
*** Observation condition: moon | *** Observation condition: moon |
Revision as of 07:00, 26 October 2022
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Contents
Alert Information
- Name/type of the alert:
- GCN notice: []
- Triggered by: Fermi GBM/Swift BAT
- Alert coordinates:
- RA: h m s, Dec: deg m s
- RA, Dec in deg (ICRS): 288.26452 deg, +19.77350 deg
- Alert arrival time:
- Other relevant information:
- Redshift (z): 0.151
Multi-wavelength Observations
LST Observations
- Dates of data-taking: 2022-10-10,12,15,16,17,18,21,23
- 2022-10-10
- Zenith range (deg): 38.8 -> 57.9
- Transmission9km:
- Observation condition: moon
- Observation mode: std wobble, reduced HV
- Runs: 9604 - 9607
- Joint observations with MAGIC? : No
- ELOG link: [1]
- Important comments: Data were affected by timestamp issue. (Reprocessing is already done and results below are from reprocessed data)
- 2022-10-10
Src indep analysis by Kenta (Kyoto)
- Email address of analyser: terauchi.kenta.74s@st.kyoto-u.ac.jp
Data info
- Overall selected observation time: min ( h)
- Selected runs: 9604 - 9607
- Position analyzed: RA 288.26452 deg, Dec +19.77350 deg
DL1 data
Used DL1b files produced by LSTOSA (lstchain v0.9.6)
/fefs/aswg/data/real/DL1/20221010/v0.9/tailcut84/
DL2 data
- Random forest:
/fefs/aswg/data/models/AllSky/20220511_allsky_std/dec_2276
- lstchain v0.9.6 with config file taken from the All Sky model
/fefs/aswg/data/models/AllSky/20220511_allsky_std/dec_2276/lstchain_84.json
Theta2 plot
- Cuts and parameters used:
- intensity > 100
- gammaness > 0.6, 0.3
- leakage < 0.2
- Eest range: 0.3 - 10 TeV
- th2 cut = 0.04
- background normalization range: 0.2 < th2 < 0.4