Difference between revisions of "GRB221218A"
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Revision as of 16:45, 4 January 2023
Contents
Alert Information
- Name/type of the alert:
- GCN notice: [1]
- Triggered by: INTEGRAL
- Alert coordinates:
- RA: +23 22 36 (hh mm ss), Dec: -04 15 38 (dd mm ss)
- RA, Dec in deg (ICRS): 350.65deg, -4.26deg
- Alert arrival time: 2022-12-18T08:14:36UTC
- Other relevant information:
- Redshift (z):
Multi-wavelength Observations
LST Observations
- Dates of data-taking: 2022-12-18
- 2022-12-18
- Zenith range (deg): 35 --> 53
- Transmission9km: N.A. (lidar not working)
- Observation condition: dark
- Observation mode: std wobbles
- Runs: 11448 - 11454
- Joint observations with MAGIC? : yes
- ELOG link:[2]
- Important comments:
- 2022-12-18
Analysis by Irene Burelli (University of Udine - irene.burelli@gmail.com)
Data-taking information
- Overall selected observation time: 127.2 min
- Selected runs: 10884 -> 10889
- Position analyzed: RA 350.65deg, Dec -4.26deg
DL1 data
Used DL1b files produced by LSTOSA
/fefs/aswg/data/real/DL1/20221218/v0.9/tailcut84/
DL2 data
- 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
- Cuts and parameters used:
- intensity > 50
- gammaness > 0.7
- Theta2_global_cut=0.04
- leakage < 0.2
- norm_range_theta2_min=0.3
- norm_range_theta2_max=0.5
