Difference between revisions of "Fast Offline Analysis S240915b September 2024 P068"

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** Redshift (z) :  
 
** Redshift (z) :  
 
** Other relevant information  
 
** Other relevant information  
−
** RA: XXXXXX (hh mm ss), Dec: XXXXX (dd mm ss)
 
 
** RA, Dec in deg (ICRS): 331.5, 73.1 (pointing coordinates)
 
** RA, Dec in deg (ICRS): 331.5, 73.1 (pointing coordinates)
  
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*** time of observations: 1.2 hours
 
*** time of observations: 1.2 hours
 
***ZD range (deg): 50 - 70  
 
***ZD range (deg): 50 - 70  
 +
*** ON-mode observations
 
***Observations:  
 
***Observations:  
  
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  /fefs/aswg/data/models/AllSky/20240131_allsky_v0.10.5_all_dec_base/dec_6676/
 
  /fefs/aswg/data/models/AllSky/20240131_allsky_v0.10.5_all_dec_base/dec_6676/
 +
 +
 +
==DL2 data==
 +
Config file:
 +
/fefs/aswg/data/models/AllSky/20240131_allsky_v0.10.5_all_dec_base/dec_6676/lstchain_config_2024-01-31.json
 +
 +
Files in:
 +
 +
/fefs/aswg/workspace/helena.luciani/fast_offline_analysis/gw_alert_S240915b/DL2
 +
 +
==DL3 data & IRF==
 +
 +
 +
Files in:
 +
/fefs/aswg/workspace/helena.luciani/fast_offline_analysis/gw_alert_S240915b/DL3
 +
 +
 +
Configuration used for producing IRF/DL3 files (you can leave standard settings):
 +
 +
  "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]
 +
  },
 +
 +
* Standard cuts: Intensity > 50 p.e., 70 % efficiency for both gammaness and theta gamma-ray selection energy-dependent 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:
 +
* Number of off positions: 3
 +
* Energy range: 0 - 100 TeV
 +
 +
No detection
 +
 +
[[File:gw_alert-theta2_dl3.PNG]]
 +
 +
 +
=== Sky map ===
 +
[[File:gw_alert_skymap.PNG]]

Latest revision as of 13:56, 16 September 2024

General information[edit]

  • Name of the source: S240915b
  • Brief description of the source: compact binary merger candidate. The classification of the GW signal is BBH (86%), NSBH (14%), Terrestrial (<1%), or BNS (<1%)
    • Object type :
    • Redshift (z) :
    • Other relevant information
    • RA, Dec in deg (ICRS): 331.5, 73.1 (pointing coordinates)
  • Analysis by:
    • Helena Luciani (University of Trieste - helena.luciani@phd.units.it)

Data-taking information[edit]

  • Dates of data-taking: 2024-09-14
      • time of observations: 1.2 hours
      • ZD range (deg): 50 - 70
      • ON-mode observations
      • Observations:

20240914 : [19076, 19077]

General analysis information[edit]

  • source-independent analysis
  • lstchain version: v0.10.11
  • DL1b standard production (v0.10/tailcut84), run-wise merged files in:
/fefs/aswg/data/real/DL1/20240911/v0.10/tailcut84/dl1_LST-1.Run19076.h5
/fefs/aswg/data/real/DL1/20240911/v0.10/tailcut84/dl1_LST-1.Run19077.h5

Monte Carlo information[edit]

  • All-sky MC production used: 20240131_allsky_v0.10.5_all_dec_base
  • Declination line (training): dec_6676


Random forest[edit]

Path to the models used: 

/fefs/aswg/data/models/AllSky/20240131_allsky_v0.10.5_all_dec_base/dec_6676/


DL2 data[edit]

Config file: 

/fefs/aswg/data/models/AllSky/20240131_allsky_v0.10.5_all_dec_base/dec_6676/lstchain_config_2024-01-31.json

Files in: 

/fefs/aswg/workspace/helena.luciani/fast_offline_analysis/gw_alert_S240915b/DL2

DL3 data & IRF[edit]

Files in: 

/fefs/aswg/workspace/helena.luciani/fast_offline_analysis/gw_alert_S240915b/DL3


Configuration used for producing IRF/DL3 files (you can leave standard settings): 

 "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]
 },
  • Standard cuts: Intensity > 50 p.e., 70 % efficiency for both gammaness and theta gamma-ray selection energy-dependent cuts.
  • Point-like IRF.


High-level analysis and results[edit]

Analysis settings[edit]

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

Theta2 plot[edit]

Settings:

  • Theta2 cut for signal extraction: 0.04 deg2
  • Normalization range:
  • Number of off positions: 3
  • Energy range: 0 - 100 TeV

No detection

Gw alert-theta2 dl3.PNG


Sky map[edit]

Gw alert skymap.PNG

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