Fast offline analysis M87 June 2024
Contents
General information[edit]
- Name of the source: M87
- Brief description of the source:
- Object type : Radio galaxy
- Redshift (z) : 0.0042
- Other relevant information
- RA: (hh mm ss), Dec: (dd mm ss)
- RA, Dec in deg (ICRS): 187.70593077, 12.39112325
- Analysis by:
- Lea Heckmann (MPP - heckmann@mpp.mpg.de)
Data-taking information[edit]
- Dates of data-taking: 2024-06-07
- ZD range (deg): --> 25 - 40 deg
- AZ range (deg): -->
- Transmission9km:
- Observation condition: dark
- Observation mode: std wobbles
- Runs: 17676 - 17681
- Observations:
'2024-06-07': [17676, 17677, 17678, 17679, 17680, 17681] h
- Data quality selection applied on above data sample: all data passes, just 17678 < 1 min, so not taken into account
- Joint observations with MAGIC? : From 17679 on
- Information on data-taking (observations summaries): https://www.lst1.iac.es/datacheck/observation_overview/2024/06/run_summary_2024_06_07.pdf
General analysis information[edit]
- source-independent analysis
- lstchain version: v0.10.9
- DL1b standard production (v0.10/tailcut84), run-wise merged files in:
/fefs/aswg/data/real/DL1/20240607/v0.10/tailcut84/dl1_LST-1.17676.h5 /fefs/aswg/data/real/DL1/20240607/v0.10/tailcut84/dl1_LST-1.17677.h5 /fefs/aswg/data/real/DL1/20240607/v0.10/tailcut84/dl1_LST-1.17678.h5 /fefs/aswg/data/real/DL1/20240607/v0.10/tailcut84/dl1_LST-1.17679.h5 /fefs/aswg/data/real/DL1/20240607/v0.10/tailcut84/dl1_LST-1.17680.h5 /fefs/aswg/data/real/DL1/20240607/v0.10/tailcut84/dl1_LST-1.17681.h5
Monte Carlo information[edit]
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_931
Random forest[edit]
Path to the models used:
/fefs/aswg/data/models/AllSky/20240131_allsky_v0.10.5_all_dec_base/dec_931
DL2 data[edit]
Config file:
/fefs/aswg/data/models/AllSky/20240131_allsky_v0.10.5_all_dec_base/dec_931/lstchain_config_2024-01-31.json
Files in:
/fefs/aswg/workspace/lea.heckmann/FOA/M87_20240607/DL2
DL3 data & IRF[edit]
"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 cuts
- Point-like IRF
Files in:
/fefs/aswg/workspace/irene.jimenez/FOA/M87_20240607_data/DL3
High-level analysis[edit]
- Gammapy 1.1
- 1D analysis (point-like IRF)
Analysis Results[edit]
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: 100 GeV - 10 TeV
Daily results[edit]
- 2024-06-07
Significance and Excess sky maps[edit]
Using notebook from LST analysis school (ring background FoV method)
Spectral results[edit]
- 2024-06-07
Spectral parameters: PL
No enough signal
Light curve[edit]
- 2024-06-07
not enough signal
