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 | ||
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** 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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* Number of off positions: 3 | * Number of off positions: 3 | ||
* Energy range: 0 - 100 TeV | * Energy range: 0 - 100 TeV | ||
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| + | No detection | ||
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| + | [[File:gw_alert-theta2_dl3.PNG]] | ||
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| + | === Sky map === | ||
| + | [[File:gw_alert_skymap.PNG]] | ||
Latest revision as of 13:56, 16 September 2024
Contents
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]
- Joint observations with MAGIC?: No
- Information on data-taking (observations summaries): https://www.lst1.iac.es/datacheck/observation_overview/2024/09/run_summary_2024_09_14.pdf
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
Sky map[edit]
