Fast analysis GRB240529A Arnau

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Data-taking information

  • 2024-02-28:
    • Date (time of observation h): 1.3h
      • ZD range (deg): ~50-30 deg
      • Observations:
2024-02-28: [17479, 17480, 17481, 17482, 17483]
  • 2024-02-29:
    • Date (time of observation h):
      • ZD range (deg): ~60-35 deg
      • Observations:
2024-05-29: [17507, 17508, 17509, 17510, 17511, 17512, 17513, 17514]
  • Data quality selection:

No data quality selection. run 17478 is not used because the wobble is to far from the source.

  • Joint observations with MAGIC?:

No (?)

  • Information on data-taking (observations summaries): Write here if there was any problem with data-taking.

Moon observations. Moderate-zenith and High-zenith observations.

https://www.lst1.iac.es/datacheck/observation_overview/2024/05/run_summary_2024_05_28.pdf

https://www.lst1.iac.es/datacheck/observation_overview/2024/05/run_summary_2024_05_29.pdf

General analysis information

  • source-independent analysis
  • lstchain version: v0.10.7
  • DL1b processed using tighter image cleaning values. Picture threshold = 14, boundary threshold = 7. These values are used to match the cuts in the MC files (see below). However, they are close to the image cleaning values required for these moon runs.

Monte Carlo information

Write below the MC production ID among the existing MC

  • All-sky MC production used: (e.g. 20240229_dec34_nsb14)
  • Declination line (training): dec_34.76


Random forest

Path to the models used:

/fefs/aswg/data/models/AllSky/20240229_dec34_nsb14/dec_3476

DL2 data

Config file:

/fefs/aswg/workspace/arnau.aguasca/scripts/analysis_GRB240529A/real_srcind_config_lstchain_belong_v0.10.7.json

Files in:

/fefs/aswg/workspace/arnau.aguasca/Analysis/results/LST/real/DL2/2024052?/srcind/v0.10.7/tailcut147_dynclg_tNSBx14/AllSky_20240229_dec34_nsb14_dec_3476/dl2_*

DL3 data & IRF

   "EventSelector": {
       "filters": {
           "intensity": [150, Infinity],
            "width": [0, Infinity],
            "length": [0, Infinity],
            "r": [0, 1],
            "wl": [0.01, 1],
            "leakage_intensity_width_2": [0, 1],
            "event_type": [32, 32]
       }
   },
   "DL3Cuts": {
       "min_event_p_en_bin": 100,
       "global_gh_cut": 0.8,
       "gh_efficiency": 0.9,
       "min_gh_cut": 0.1,
       "max_gh_cut": 0.95,
       "global_alpha_cut": 15,
       "global_theta_cut": 0.2,
       "theta_containment": 0.7,
       "alpha_containment": 0.7,
       "min_theta_cut": 0.05,
       "max_theta_cut": 0.25,
       "fill_theta_cut": 0.25,
       "min_alpha_cut": 1,
       "max_alpha_cut": 20,
       "fill_alpha_cut": 20,
       "allowed_tels": [
           1
       ]
   },


  • global cuts in both gammaness and theta gamma-ray selection cuts: 0.8 and 0.2 deg, respectively.
  • Point-like IRF

High-level analysis and results

Analysis settings

  • Gammapy version: 1.1
  • 1D analysis (point-like IRF)

Theta2 plot

Settings:

  • Theta2 cut for signal extraction: 0.04 deg2
  • Normalization range: 0.3 - 0.5 deg
  • Number of off positions: 3
  • Energy range: No cut in energy

Daily results

  • 2024-05-28

Theta2plot GRB240529A 20240528.png

  • 2024-05-29

Theta2plot GRB240529A 20240529.png