Difference between revisions of "GRB221009A"
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/fefs/aswg/data/models/AllSky/20220511_allsky_std/dec_2276/lstchain_84.json | /fefs/aswg/data/models/AllSky/20220511_allsky_std/dec_2276/lstchain_84.json | ||
| − | === Theta2 plot | + | === Theta2 plot === |
*Cuts and parameters used: | *Cuts and parameters used: | ||
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**leakage < 0.2 | **leakage < 0.2 | ||
**Eest range: 0.3 - 10 TeV | **Eest range: 0.3 - 10 TeV | ||
| + | **th2 cut = 0.04 | ||
| + | **background normalization range: 0.2 < th2 < 0.4 | ||
{| align='center' | {| align='center' | ||
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| [[Image:grb221009a_20221010_th2_gh03_w_Norm.png |thumb|500px|center|alt=Theta2 plot for GRB221009A.|1 OFF position; gammaness > 0.3; background normalization applied]] | | [[Image:grb221009a_20221010_th2_gh03_w_Norm.png |thumb|500px|center|alt=Theta2 plot for GRB221009A.|1 OFF position; gammaness > 0.3; background normalization applied]] | ||
|} | |} | ||
| + | |||
| + | === Significance evolution === | ||
Revision as of 05:45, 26 October 2022
Go back to Transient Working Group.
Go Back to Gamma-Ray Bursts (GRBs).
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): ->
- 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
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
