Fast Offline Analysis S240615dg June 2024 P065

Fast offline analysis S240615dg June 2024 P065

General information

• Name of the source: S240615dg
• Brief description of the source:
  • Object type : Gravitational Wave Alert
  • Localization area: 8deg2 (90%)
  • Redshift (z) :
  • Other relevant information
  • RA: 00 31 16.80 (hh mm ss), Dec: +45 48 36.0 (dd mm ss)
  • RA, Dec in deg (ICRS): 7.52 , 45.81

• Analysis by:
  • Juan Bernete (CIEMAT - juan.bernete@ciemat.es)

Data-taking information

• Dates of data-taking:
  • Date: 2024-06-15 (2.13 h)
    • ZD range (deg): 40 - 66
    • Observations:

2024-06-15: [17820, 17821, 17822, 17823, 17824, 17825]

• Data quality selection: all runs survive the data quality selection.
• Joint observations with MAGIC?: Yes
• Information on data-taking (observations summaries):

General analysis information

• source-independent analysis
• lstchain version: v0.10.11
• DL1b standard production (v0.10/tailcut84), run-wise merged files in:

/fefs/aswg/data/real/DL1/YYYYMMDD/v0.10/tailcut84/dl1_LST-1.Run?????.h5

Monte Carlo information

Write below the MC production ID among the existing MC

• All-sky MC production used: 20240131_allsky_v0.10.5_all_dec_base
• Declination line (training): dec_4822

Random forest

Path to the models used:

/fefs/aswg/data/models/AllSky/20240131_allsky_v0.10.5_all_dec_base/dec_4822

DL2 data

Config file:

Files in:

/fefs/aswg/workspace/juan.bernete/fastanalysis/S240615dg/DL2

DL3 data & IRF

 "EventSelector": {
   "filters": {
     "intensity": [50, 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,
   "min_gh_cut": 0.1,
   "max_gh_cut": 0.95,
   "min_theta_cut": 0.0,
   "max_theta_cut": 0.2,
   "fill_theta_cut": 0.2,
   "allowed_tels": [1]
 },

• 70 % efficiency for both gammaness and theta gamma-ray selection cuts
• 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: 0.1 - 0.4 deg2
• Number of off positions: 3
• Energy range: 0.01 - 10 TeV

Daily results

• 2024-06-15: No detection

Significance and Excess sky maps

To be cross-checked. The background model does not seem right at the lowest energies

E > 200 GeV

E > 500 GeV