Difference between revisions of "GRB241030B"

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* Analysis by:
 
* Analysis by:
−
**Analyzer 1  
+
**Analyzer 1 Tora T. H. Arnesen (IAC - tora.arnesen@iac.es)
 
**Analyzer 2  
 
**Analyzer 2  
  
 
===Data-taking information===
 
===Data-taking information===
 +
 +
* '''Dates of data-taking''': 2024-10-30
 +
** Date (time of observation h) 2024-10-30:  h
 +
***ZD range (deg): 10-49
 +
***Observations: (see example below)
 +
 +
2024-10-30: [19401 19402 19403 19404 19405 19406 19407 19408 19409 19410 19411]
 +
 +
*Data quality selection: all runs survived good quality selection (max NSB std: 2.3)
  
  
Line 39: Line 48:
  
 
===General analysis information===
 
===General analysis information===
 +
 +
* source-independent analysis
 +
* lstchain version: v0.10.12
 +
* DL1b standard production (v0.10/tailcut84), run-wise merged files in:
 +
 +
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19401.h5
 +
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19402.h5
 +
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19403.h5
 +
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19404.h5
 +
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19405.h5
 +
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19406.h5
 +
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19407.h5
 +
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19408.h5
 +
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19409.h5
 +
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19410.h5
 +
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19411.h5
  
  
Line 46: Line 71:
 
===Monte Carlo information===
 
===Monte Carlo information===
  
 +
* All-sky MC production used: 20240131_allsky_v0.10.5_all_dec_base
 +
* Declination line (training): dec_3476
  
 
====Random forest====
 
====Random forest====
 +
Path to the models used:
  
 +
/fefs/aswg/data/models/AllSky/20240131_allsky_v0.10.5_all_dec_base/dec_3476
  
 
===DL2 data===
 
===DL2 data===
 +
 +
The config file to produce the DL2 files must be the one used to produce the RF models. Should be located together with model's files.
 +
 +
Files in:
 +
 +
/fefs/aswg/workspace/tora.arnesen/FOA/GRB241030B/DL2
  
  
Line 57: Line 92:
  
 
===DL3 data & IRF===
 
===DL3 data & IRF===
 +
 +
Files in:
 +
/fefs/aswg/workspace/tora.arnesen/FOA/GRB241030B/DL3
 +
 +
Configuration used for producing IRF/DL3 files (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": 0.98,
 +
    "min_theta_cut": 0.1,
 +
    "max_theta_cut": 0.32,
 +
    "fill_theta_cut": 0.32,
 +
    "allowed_tels": [1]
 +
  },
 +
 +
* 70 % efficiency for both gammaness and theta gamma-ray selection energy-dependent cuts
 +
* Point-like IRF.
 +
  
 
====Cross-check====
 
====Cross-check====
Line 65: Line 130:
 
==== Analysis settings ====
 
==== Analysis settings ====
  
 +
* Gammapy version: 1.2
 +
* 1D analysis (point-like IRF)
  
 
==== Theta2 plot ====
 
==== 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 ====
 
==== Daily results ====
  
−
==== Cross-check ====
+
*2024-10-30: No detection
 +
[[File:theta2_total_FOA_GRB241030B_20241030_Tora.png|800 px]]
  
−
===== Analysis settings =====
+
=== Significance and Excess sky maps ===
  
 +
====Cross-check====
  
−
===== Theta2 plot =====
+
Gammapy version: 1.1
−
 
 
  
−
===== Daily results =====
+
Measured energy axis bounds: 0.2 TeV - 10.0 TeV
  
 +
True energy axis bounds: 0.1 TeV - 13.0 TeV
  
−
=== Significance and Excess sky maps ===
+
Exclusion region radius:  0.35 deg
  
−
====Cross-check====
+
[[File:Significance_Off_and_Excess_maps_FOA_GRB241030B_20241030_Tora.png|thumb|centre|700px|| Significance, off significance, and excess maps]]
  
 +
[[File:Background_residuals_map_FOA_GRB241030B_20241030_Tora.png|thumb|centre|700px| Background residuals map]]
  
 
==General information==
 
==General information==

Latest revision as of 17:32, 31 October 2024

Alert Information[edit]

  • 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[edit]

  • 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[edit]

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

Data-taking information[edit]

  • Dates of data-taking: 2024-10-30
    • Date (time of observation h) 2024-10-30: h
      • ZD range (deg): 10-49
      • Observations: (see example below)
2024-10-30: [19401 19402 19403 19404 19405 19406 19407 19408 19409 19410 19411]
  • Data quality selection: all runs survived good quality selection (max NSB std: 2.3)


Cross-check[edit]

General analysis information[edit]

  • source-independent analysis
  • lstchain version: v0.10.12
  • DL1b standard production (v0.10/tailcut84), run-wise merged files in:
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19401.h5
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19402.h5
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19403.h5
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19404.h5
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19405.h5
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19406.h5
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19407.h5
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19408.h5
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19409.h5
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19410.h5
/fefs/aswg/data/real/DL1/20241030/v0.10/tailcut84/dl1_LST-1.Run19411.h5


Cross-check[edit]

Monte Carlo information[edit]

  • All-sky MC production used: 20240131_allsky_v0.10.5_all_dec_base
  • Declination line (training): dec_3476

Random forest[edit]

Path to the models used: 

/fefs/aswg/data/models/AllSky/20240131_allsky_v0.10.5_all_dec_base/dec_3476

DL2 data[edit]

The config file to produce the DL2 files must be the one used to produce the RF models. Should be located together with model's files.

Files in: 

/fefs/aswg/workspace/tora.arnesen/FOA/GRB241030B/DL2


Cross-check[edit]

DL3 data & IRF[edit]

Files in: 

/fefs/aswg/workspace/tora.arnesen/FOA/GRB241030B/DL3

Configuration used for producing IRF/DL3 files (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": 0.98,
   "min_theta_cut": 0.1,
   "max_theta_cut": 0.32,
   "fill_theta_cut": 0.32,
   "allowed_tels": [1]
 },
  • 70 % efficiency for both gammaness and theta gamma-ray selection energy-dependent cuts
  • Point-like IRF.


Cross-check[edit]

High-level analysis and results[edit]

Analysis settings[edit]

  • Gammapy version: 1.2
  • 1D analysis (point-like IRF)

Theta2 plot[edit]

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[edit]

  • 2024-10-30: No detection
Error creating thumbnail: File missing

Significance and Excess sky maps[edit]

Cross-check[edit]

Gammapy version: 1.1

Measured energy axis bounds: 0.2 TeV - 10.0 TeV

True energy axis bounds: 0.1 TeV - 13.0 TeV

Exclusion region radius: 0.35 deg

Error creating thumbnail: File missing
Significance, off significance, and excess maps
Background residuals map

General information[edit]

General analysis information[edit]

Monte Carlo information[edit]

Random forest[edit]

DL2 data[edit]

DL3 data & IRF[edit]

High-level analysis[edit]

Analysis Results[edit]

Theta2 plot[edit]

Daily results[edit]

Stacked observations[edit]

Significance and Excess sky maps[edit]

Spectral results[edit]

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