Difference between revisions of "GRB230414B"

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(DL2 data)
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  /fefs/aswg/data/models/AllSky/20220511_allsky_std/dec_4822
 
  /fefs/aswg/data/models/AllSky/20220511_allsky_std/dec_4822
  
* lstchain v0.9.6 with config file
+
* lstchain v0.9.12 with config file
 
  /fefs/aswg/data/models/AllSky/20220523_allsky_std/dec_min_2924/lstchain_config_2022-05-23.json
 
  /fefs/aswg/data/models/AllSky/20220523_allsky_std/dec_min_2924/lstchain_config_2022-05-23.json
 
  
 
=== Theta2 plot from DL2===
 
=== Theta2 plot from DL2===

Revision as of 16:59, 24 April 2023

Go back to Transient Working Group.


Alert Information

  • Name/type of the alert: SWIFT_BAT_GRB_POSITION
  • GCN notice: [1]
  • Triggered by: Swift BAT
  • Alert coordinates:
    • RA: 12 4 17.112 (hh mm ss), Dec: +53 7 36.480 (dd mm ss)
    • RA, Dec in deg (ICRS): 181.07130deg, 53.12680deg
  • Alert arrival time: 2023-04-14T23:01:17UTC
  • Other relevant information:
    • Redshift (z): 3.568 (GTC/OSIRIS)


Multi-wavelength Observations

LST Observations

  • Dates of data-taking: 2023-04-14
    • 2023-04-14
      • Zenith range (deg): 31-->41
      • Transmission9km: N.A. (MAGIC lidar not working)
      • Observation condition: dark
      • Observation mode: std wobbles
      • Runs: 12682-->12686 , 12690-->12696
      • Joint observations with MAGIC? : yes
      • ELOG link:[2]
      • Important comments:

Analysis by Irene Burelli (University of Udine - irene.burelli@gmail.com)

Data-taking information

  • Overall selected observation time: 202 min
  • Selected runs: 12682-->12686 , 12690-->12696
  • Position analyzed: RA 181.09deg, Dec 53.15deg (Swift BAT revised position - telescope pointing)


DL1 data

Used DL1b files produced by LSTOSA

/fefs/aswg/data/real/DL1/20230414/v0.9/tailcut84/


DL2 data

  • Random forest:
/fefs/aswg/data/models/AllSky/20220511_allsky_std/dec_4822
  • lstchain v0.9.12 with config file
/fefs/aswg/data/models/AllSky/20220523_allsky_std/dec_min_2924/lstchain_config_2022-05-23.json

Theta2 plot from DL2

  • Cuts and parameters used:
    • intensity > 50
    • gammaness > 0.8
    • Theta2_global_cut=0.04
    • leakage < 0.2
    • norm_range_theta2_min=0.3
    • norm_range_theta2_max=0.5
Theta2 plot for GRB130414B.
Theta2 plot for GRB230414B.