Difference between revisions of "GRB221221A"
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Latest revision as of 11:23, 26 October 2023
Contents
Alert Information[edit]
- Name/type of the alert: Fermi-GBM Final Position
- GCN notice: [1]
- Triggered by: Fermi-GBM
- Alert coordinates:
- RA: +05 27 17 (hh mm ss), Dec: +63 23 60 (dd mm ss)
- RA, Dec in deg (ICRS): 84.94deg, 59.03deg
- Alert arrival time: 2022-12-21T23:01:17UTC
- Other relevant information:
- Redshift (z):
LST Observations[edit]
- Dates of data-taking: 2022-12-21
- 2022-12-21
- Zenith range (deg): 34 --> 32
- Transmission9km: N.A. (MAGIC lidar not working)
- Observation condition: dark
- Observation mode: std wobbles
- Runs: 11551 - 11559
- Joint observations with MAGIC? : yes
- ELOG link:[2]
- Important comments:
- 2022-12-21
Analysis by Irene Burelli (University of Udine - irene.burelli@gmail.com)[edit]
Data-taking information[edit]
- Overall selected observation time: 161.4 min
- Selected runs: 11551 -> 11559
- Position analyzed: RA 84.94deg, Dec 59.03deg
DL1 data[edit]
Used DL1b files produced by LSTOSA
/fefs/aswg/data/real/DL1/20221221/v0.9/tailcut84/
DL2 data[edit]
- Random forest:
/fefs/aswg/data/models/20200629_prod5_trans_80/zenith_40deg/south_pointing/20220304_v0.9.3_prod5_trans_80_zen40az180_local_tailcut_8_4
- lstchain v0.9.6 with config file
/fefs/aswg/data/real/DL1/20210809/v0.9/tailcut84/log/lstchain_config_tailcut84_v092.json
Theta2 plot from DL2[edit]
- Cuts and parameters used:
- intensity > 50
- gammaness > 0.7
- Theta2_global_cut=0.04
- leakage < 0.2
- norm_range_theta2_min=0.4
- norm_range_theta2_max=0.6
