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-v0.10.7

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

• DL2 data

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: 90 (in 21 nights)
• Total observation time: 22.75 hours
• Run list:

   20210321: [4207]
   20210407: [4335 4336]
   20210408: [4343 4344]
   20210410: [4363 4364 4365 4366 4367 4368 4369 4370]
   20210508: [4652 4653 4654]
   20210604: [4902 4903 4904 4905]
   20220228: [7153 7154]
   20220501: [8059 8060 8061 8062 8063 8064]
   20220520: [8377 8378 8379]
   20220523: [8424 8425]
   20220602: [8600 8601 8602]
   20230120: [11748 11749 11750 11751]
   20230123: [11809 11810 11811 11812 11813]
   20230126: [11903 11904 11906]
   20230224: [12080 12081 12082 12083 12084 12085]
   20230226: [12096 12097 12098 12099]
   20230317: [12234 12235 12236 12237]
   20230321: [12362 12363 12364 12365 12366]
   20230414: [12697 12698 12699 12700]
   20230418: [12755 12756 12757 12758]
   20230425: [12859 12860 12861 12863 12864 12865 12866 12867 12868 12869 12870 12871 12872 12873 12874] 

DL1 to DL2

• Random Forest

• DL2 data

Analysis Results

Livetime :

Significance :

Excess :

S/B :

Rate :