TXS2320+343

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Alert Information

  • Name/type of the alert: IceCube
  • GCN notice: [1]
  • Triggered by: ICECUBE Astrotrack Gold
  • Alert coordinates:
    • RA: +23 22 12 (hh mm ss), Dec: +34 42 40 (dd mm ss)
    • RA, Dec in deg (ICRS): 350.54860deg, 34.71100deg
  • Alert arrival time: 2022-12-23T07:43:50UTC
  • Other relevant information:
    • Redshift (z):

Multi-wavelength Observations

LST Observations

  • Dates of data-taking: 2022-12-23
    • 2022-12-23
      • Zenith range (deg): 31 --> 57
      • Transmission9km: N.A. (MAGIC lidar not working)
      • Observation condition: dark
      • Observation mode: std wobbles
      • Runs: 11586 - 11594
      • Joint observations with MAGIC? : yes
      • ELOG link:[2]
      • Important comments: Only runs 11586-11591 are joint with MAGIC

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

Data-taking information

  • Overall selected observation time: 132.8 min (2.2h)
  • Selected runs: 11586 -> 11594
  • Position analyzed: RA: 350.685deg, Dec: 34.612deg


DL1 data

Used DL1b files produced by LSTOSA

/fefs/aswg/data/real/DL1/20221223/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
Theta2 plot for TXS2320+343.
Theta2 plot for TXS2320+343.