GRB241030B

Alert Information

• Name/type of the alert: GRB 241030B
• GCN circular: [1]
• Astro-COLIBRI: [2]
• Triggered by: Swift/XRT
• Alert coordinates:
  • RA: 3 23 10.224 (hh mm ss), Dec: 34 26 48.84 (dd mm ss)
  • RA, Dec in deg (ICRS): 50.793deg, 34.447deg
• Alert arrival time: 2024-10-30 18:37:09 UTC
• Other relevant information:
  • GCN notices + circulars: [3]
  • Redshift (z): z = 2.82 (tentative redshift by OSIRIS@GTC, GCN #38004 [4])

LST Observations

• Dates of data-taking: 2024-10-30
  • 2024-10-30
    • Zenith range (deg): 47 --> 11
    • Transmission9km: tbd
    • Observation condition: dark
    • Observation mode: std wobbles
    • Runs: 19401 - 19411
    • Joint observations with MAGIC? : yes (19401 - 19411)
    • ELOG link:[5]
    • Important comments:

Fast analysis

• Analysis by:
  • Analyzer 1 Tora T. H. Arnesen (IAC - tora.arnesen@iac.es)
  • Analyzer 2

Data-taking information

• Dates of data-taking: 2024-10-30
  • Date (time of observation h) 2024-10-30: h
    • ZD range (deg):
    • Observations: (see example below)

2024-10-30: []

• Data quality selection: (max NSB std: 2.3)

General analysis information

• source-independent analysis
• lstchain version: v0.10.12
• DL1b standard production (v0.10/tailcut84), run-wise merged files in:

Monte Carlo information

• All-sky MC production used: 20240131_allsky_v0.10.5_all_dec_base
• Declination line (training): dec_

Random forest

Path to the models used:

/fefs/aswg/data/models/AllSky/20240131_allsky_v0.10.5_all_dec_base/dec_