NGC1068 LST1 analysis Cycle I DanielMorcuende

Analysis of LST-1 NGC 1068 data from observation cycle I

General information

• Name of the source: NGC 1068
• Brief description of the source:
  • Object type : AGN, Seyfert II galaxy
  • Redshift (z) : 0.0037
  • Other relevant information: neutrino excess found by IceCube from this source location
  • RA, Dec in deg (ICRS): 40.66962153, -0.0132943

• Analysis by Name (Institute - email)
  • Daniel Morcuende (IAA-CSIC, dmorcuende@iaa.es)
  • José Manuel Gavilán (IAA-CSIC)

Data-taking information

There are a total of 124 runs from 2023-08-19 to 2024-02-10

• Dates of data-taking:
  • Date (time of observation h)
    • ZD range (deg): 25-65

Dataset after good quality selection

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

    In the requested Sky region and range of dates:	 128
  + zenith in requested range:				 127
  + NSB in requested range:				 127 (100.0%) 

  + FF and pedestal interleaved events are present:	 125 (98.4%)
  + Stable pointing:					 123 (96.9%)
  + dR/dI fit P-value ok:				 123 (96.9%)
  + dR/dI LS periodogram ok:				 118 (92.9%)
  + dR/dI index ok:					 94 (74.0%)
  + dR/dI rate ok:					 60 (47.2%)
  + intensity threshold ok:				 60 (47.2%)
Total observation time: 15.46 h

Total number of runs: 60 (in 16 nights)
Total observation time: 15.46 hours 

'2023-09-22': [14696, 14697, 14698, 14699],
'2023-10-06': [14927, 14929],
'2023-11-03': [15256, 15257, 15258, 15259],
'2023-11-04': [15263],
'2023-11-10': [15387, 15388, 15389],
'2023-11-12': [15474, 15475, 15476, 15477],
'2023-11-16': [15615, 15616, 15618],
'2023-11-17': [15656, 15657, 15658, 15659, 15672, 15673, 15674, 15675],
'2023-11-18': [15706, 15707, 15708, 15709, 15710, 15713],
'2023-12-08': [15883, 15884, 15886, 15887, 15888],
'2023-12-09': [15917, 15918, 15919, 15920],
'2023-12-14': [16085, 16086, 16087],
'2023-12-17': [16195, 16198],
'2024-01-29': [16427, 16428, 16429],
'2024-01-31': [16445, 16446, 16447, 16448],
'2024-02-10': [16660, 16661, 16662, 16663],

Analysis information

• lstchain v0.10
• source-independent analysis
• Gammapy v1.1

Monte Carlo information

Closest declination line towards La Palma latitude (28.8 deg)

20240131_allsky_v0.10.5_all_dec_base/dec_931

DL1 data

Standard DL1b files produced by LSTOSA (lstchain v0.10, tailcut 8-4 with cleaning based on pedestal RMS, dynamic cleaning)

/fefs/aswg/data/real/DL1/YYYYMMDD/v0.10/tailcut84/dl1_LST-1.Run?????.h5

Random forest

Please include your specific .json files used in producing your RFs and for which source analysis (source dependent or independent), and variables used in the RF.

DL3 data selection

Files:

/fefs/aswg/workspace/daniel.morcuende/data/real/DL3/NGC1068/20240131_allsky_v0.10.5_all_dec_base/dec_931/gh_eff_0.7_th_cont_0.7

• intensity > 50 p.e.
• gammaness energy-dependent cuts with 70% efficiency
• theta energy-dependent cuts 70% efficiency

High-level analysis

• Science Tool: Gammapy 1.1
• point-like IRF, 1D analysis