Difference between revisions of "EP241103a"

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== Fast analysis ==
 
== Fast analysis ==
  
 +
* Analysis by:
 +
**Analyzer 1 Tora T. H. Arnesen (IAC - tora.arnesen@iac.es)
 +
**Analyzer 2
  
 +
===Data-taking information===
 +
 +
* '''Dates of data-taking''': 2024-11-02
 +
** Date (time of observation h) 2024-11-02: 0.95 h
 +
***ZD range (deg): 31-45
 +
***Observations: (see example below)
  
−
===Data-taking information===
+
2024-10-30: [19500 19502 19503 19504]
  
 +
*Data quality selection: 19504 failed good selection fraction of dR/dI values around the mode, but was included by setting the minimum allowed 0.65 (max NSB std: 2.3)
  
  
Line 38: 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/DL1/20241102/v0.10/tailcut84/dl1_LST-1.Run19500.h5
 +
/fefs/aswg/data/real/DL1/20241102/v0.10/tailcut84/dl1_LST-1.Run19502.h5
 +
/fefs/aswg/data/real/DL1/20241102/v0.10/tailcut84/dl1_LST-1.Run19503.h5
 +
/fefs/aswg/data/real/DL1/20241102/v0.10/tailcut84/dl1_LST-1.Run19504.h5
  
  
Line 45: Line 64:
 
===Monte Carlo information===
 
===Monte Carlo information===
  
−
 
+
* All-sky MC production used: 20240131_allsky_v0.10.5_all_dec_base
 +
* Declination line (training): dec_2276
  
 
====Random forest====
 
====Random forest====
 +
Path to the models used:
  
 +
/fefs/aswg/data/models/AllSky/20240131_allsky_v0.10.5_all_dec_base/dec_2276
  
 
===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/EP241103a/DL2
  
  
Line 59: Line 86:
 
===DL3 data & IRF===
 
===DL3 data & IRF===
  
 +
Files in:
 +
/fefs/aswg/workspace/tora.arnesen/FOA/EP241103a/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.
  
  
Line 68: Line 123:
 
==== 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 ====
  
−
 
+
*2024-11-02: no detection
 +
[[File:theta2_total_FOA_EP241103a_20241102_Tora.png|800 px]]
  
 
=== Significance and Excess sky maps ===
 
=== Significance and Excess sky maps ===
Line 82: Line 144:
 
====Cross-check====
 
====Cross-check====
  
 +
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
 +
 +
[[File:Significance_Off_and_Excess_maps_FOA_EP241103a_20241102_Tora.png|thumb|centre|700px|| Significance, off significance, and excess maps]]
  
 +
[[File:Background_residuals_map_FOA_EP241103a_20241102_Tora.png|thumb|centre|700px| Background residuals map]]
  
 
==General information==
 
==General information==

Latest revision as of 12:23, 4 November 2024

Alert Information[edit]

  • Name/type of the alert: EP241103a
  • GCN circular: [1]
  • Astro-COLIBRI: [2]
  • Triggered by: Einstein Probe
  • Alert coordinates (FXT):
    • RA: 1 51 1.728 (hh mm ss), Dec: 18 57 31.32 (dd mm ss)
    • RA, Dec in deg (ICRS): 27.757deg, 18.959deg
  • Event detection time: 2024-11-03 01:24:37 UTC
  • Alert arrival time: 2024-11-03 02:21 UTC
  • Other relevant information:
    • ToO triggered by TH on GCN notice (EP-WXT coordinates: RA: 27.76deg / Dec: 18.978deg)]

LST Observations[edit]

  • Dates of data-taking: 2024-11-03
    • 2024-11-03
      • Zenith range (deg): 32 --> 43
      • Transmission9km: tbd
      • Observation condition: dark
      • Observation mode: std wobbles
      • Runs: 19500, 19502, 19503, 19504
      • Joint observations with MAGIC? : no
      • ELOG link:[3]
      • 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: 2024-11-02
    • Date (time of observation h) 2024-11-02: 0.95 h
      • ZD range (deg): 31-45
      • Observations: (see example below)
2024-10-30: [19500 19502 19503 19504]
  • Data quality selection: 19504 failed good selection fraction of dR/dI values around the mode, but was included by setting the minimum allowed 0.65 (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/DL1/20241102/v0.10/tailcut84/dl1_LST-1.Run19500.h5
/fefs/aswg/data/real/DL1/20241102/v0.10/tailcut84/dl1_LST-1.Run19502.h5
/fefs/aswg/data/real/DL1/20241102/v0.10/tailcut84/dl1_LST-1.Run19503.h5
/fefs/aswg/data/real/DL1/20241102/v0.10/tailcut84/dl1_LST-1.Run19504.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_2276

Random forest[edit]

Path to the models used: 

/fefs/aswg/data/models/AllSky/20240131_allsky_v0.10.5_all_dec_base/dec_2276

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/EP241103a/DL2


Cross-check[edit]

DL3 data & IRF[edit]

Files in: 

/fefs/aswg/workspace/tora.arnesen/FOA/EP241103a/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]

  • 2024-11-02: 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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