PG 1553 - 2023 ToO data analysis

General information

• Name of the source: PG 1553+113
• Brief description of the source:
  • Object type : AGN
  • Redshift (z) : 0.433 Dorigo Jones et al
  • BL Lac
  • RA: 15 5543.044 (hh mm ss), Dec: +11 11 24.365 (dd mm ss)
  • RA, Dec in deg (ICRS): 238.92934976, 11.19010155

• Analysis by Estelle Pons (LAPP - estelle.pons@lapp.in2p3.fr)

PG 1553+113 - 2023 ToO data analysis (Helena Luciani)

General analysis information

• Source-independent analysis
• lstchain version: lstchain-v0.10.9

Data selection configuration

• Start observation time: 2023-04-26 01:09:52.000
• End observation time: 2023-04-26 05:14:00.000

User input:

• source coordinates: (238.92935002, 11.19010157) (ra, dec) in deg
• date directory: 2023-04-25
• telescope pointings from the source: min_angle = 0.35 deg, max_angle = 0.45 deg
• zenith distance range: 0 deg < zenith < 50 deg
• maximum diffuse NSB: 2.3

---

• Total number of loaded subruns: 1674
• Total number of loaded runs: 15

• Number of runs (% is w.r.t. those in Sky region & zenith range):

   In the requested Sky region and range of dates:	 15
 + zenith in requested range:				 15
 + NSB in requested range:				 15 (100.0%)
 + FF and pedestal interleaved events are present:	 15 (100.0%)
 + Stable pointing:					 15 (100.0%)
 + dR/dI fit P-value ok:				 15 (100.0%)
 + dR/dI LS periodogram ok:				 15 (100.0%)
 + dR/dI index ok:					 15 (100.0%)
 + dR/dI rate ok:					 15 (100.0%)
 + intensity threshold ok:				 15 (100.0%)

• Selected: 15 of 15 runs (in 1 night)
• Total observation time: 3.87 hours

• List of selected runs: [12859 12860 12861 12863 12864 12865 12866 12867 12868 12869 12870 12871 12872 12873 12874]

---

DL1 to DL2

• Random Forest : /fefs/aswg/data/models/AllSky/20240131_allsky_v0.10.5_all_dec_base/dec_931/

• Configuration file: /fefs/aswg/data/models/AllSky/20240131_allsky_v0.10.5_all_dec_base/dec_931/lstchain_config_2024-01-31.json

• DL2 data:

dl2_LST-1.Run12859.h5
dl2_LST-1.Run12860.h5
dl2_LST-1.Run12861.h5
dl2_LST-1.Run12863.h5
dl2_LST-1.Run12864.h5
dl2_LST-1.Run12865.h5
dl2_LST-1.Run12866.h5
dl2_LST-1.Run12867.h5
dl2_LST-1.Run12868.h5
dl2_LST-1.Run12869.h5
dl2_LST-1.Run12870.h5
dl2_LST-1.Run12871.h5
dl2_LST-1.Run12872.h5
dl2_LST-1.Run12873.h5
dl2_LST-1.Run12874.h5

DL3 data and IRFs

• Input gamma:
  

/fefs/aswg/data/mc/DL2/AllSky/20240131_allsky_v0.10.5_all_dec_base/TestingDataset/dec_931/node_theta_*

• Config file :
  

../cta-lstchain/docs/examples/irf_dl3_tool_config.json

• IRFs : GH_efficiency= 0.7, theta_containment= 0.7
  

--point-like --energy-dependent-gh --energy-dependent-theta --gh-efficiency=0.7 --theta-containment=0.7

 "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,
   "global_gh_cut": 0.7,
   "gh_efficiency": 0.7,
   "min_gh_cut": 0.1,
   "max_gh_cut": 0.98,
   "global_alpha_cut": 10,
   "global_theta_cut": 0.2,
   "theta_containment": 0.7,
   "alpha_containment": 0.7,
   "min_theta_cut": 0.1,
   "max_theta_cut": 0.32,
   "fill_theta_cut": 0.32,
   "min_alpha_cut": 1,
   "max_alpha_cut": 20,
   "fill_alpha_cut": 20,
   "allowed_tels": [1]

Analysis Results

Livetime :

Significance :

Excess :

S/B :

Rate :

PG 1553+113 - 2023 ToO data analysis 2 (Arshia Ruina)

• lstchain version 0.10.9
• data_quality.ipynb as updated in the 2024 LST software school
• user input in the data_quality notebook:

   source_coordinates = SkyCoord.from_name("PG 1553+113")
   min_angle_to_source = 0.35 * u.deg
   max_angle_to_source = 0.45 * u.deg
   min_zenith = 0 * u.deg
   max_zenith = 52 * u.deg #50
   first_date = 20191101
   last_date = 20231231
   max_diffuse_nsb_std = 2.3

Dataset

• Total number of runs:
• Total observation time:
• Run list:

DL1 to DL2

• Random Forest

• DL2 data

Analysis Results

Livetime :

Significance :

Excess :

S/B :

Rate :