Fast Analysis OP313 ToO Feb Mar 2024 P062

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Fast analysis OP313 ToO P062 (February - March 2024)

General information

  • Name of the source: OP313
  • Brief description of the source:
    • Object type : FSRQ
    • Redshift (z) : 0.997
    • Other relevant information
    • RA: 13 10 28.6638 (hh mm ss), Dec: +32 20 43.783 (dd mm ss)
    • RA, Dec in deg (ICRS): XX.XX, YY.YY
  • Analysis by:
    • Daniel Morcuende (IAA-CSIC - dmorcuende@iaa.es)
    • Jorge Otero-Santos (IAA-CSIC - joteros@iaa.es)

Data-taking information

  • Dates of data-taking:
    • Date (time of observation h)
      • ZD range (deg): Zenith Range
      • AZ range (deg): Azimuth Range
      • Transmission9km:
      • Runs:
'2024-03-03': [16912, 16913, 16917, 16918, 16919, 16920, 16921, 16922, 16923, 16924, 16925, 16926, 16927, 16928, 16929, 16930, 16931, 16932]
'2024-03-04': [16953, 16954, 16955, 16956, 16957, 16958]
'2024-03-06': [16985, 16986, 16987, 16988, 16989, 16990, 16991]
'2024-03-11': [17077, 17078, 17079, 17080, 17081, 17082]
'2024-03-13': [17107, 17108, 17109, 17110, 17111, 17112, 17113, 171014, 17115]
'2024-03-14': [17124, 17125, 17126, 17127, 17128, 17129, 17130, 17131, 17132, 17133, 17134, 17135, 17136, 17137, 17138]
'2024-03-15': [17162, 17163, 17164, 17165, 17166, 17167, 17168, 17169]


  • Joint observations with MAGIC? : Simultaneous observations but MAGIC GPS not working so timestamp matching between LST-1 and MAGIC cannot be properly done.

General analysis information

  • source-independent analysis
  • lstchain v0.10.7

Monte Carlo information

  • All-sky MC production used: 20230901_v0.10.4_allsky_base_prod
    • Declination line (training): dec_3476

DL1 data

LSTOSA standard production (v0.10/tailcut84) of DL1b run-wise merged files.

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

Random forest

/fefs/aswg/data/models/AllSky/20230901_v0.10.4_allsky_base_prod/dec_3476

DL2 data

Config file:


Files in:

/fefs/aswg/workspace/daniel.morcuende/data/real/DL2/OP313_ToO_Dec2023/dec_3476

DL3 data & IRF

 "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]
 },
  • 70 % efficiency for both gammaness and theta gamma-ray selection cuts
  • Point-like IRF

High-level analysis

  • Gammapy 1.1
  • 1D analysis (point-like IRF)

Analysis Results

Theta2 plot

Settings:

  • Theta2 cut: 0.04 deg2 for signal extraction
  • normalization range 0.1 - 0.4 deg2
  • 3 off positions
  • Energy range 10 - 400 GeV
   date    significance time_effective SBR 
---------- ------------ -------------- ----
2024-03-03          7.8            5.5  1.8
2024-03-04          3.0            1.7  1.1
2024-03-06          0.3            2.0 -0.1
2024-03-11          4.4            1.9  1.5
2024-03-13          7.8            2.4  2.4
2024-03-14          9.8            4.5  2.2
2024-03-15          2.3            2.3  0.7
  • 2024-02-28 (strong moon): No detection


  • 2024-03-03 (first NuSTAR night)

Theta2 op313 20240303 dmorcuende.png

  • 2024-03-04: No detection
  • 2024-03-06: No detection
  • 2024-03-11

Theta2 op313 20240311 dmorcuende.png

  • 2024-03-13

File:Theta2 op313 20240313 dmorcuende.png

  • 2024-03-14

File:Theta2 op313 20240314 dmorcuende.png

  • 2024-03-15

File:Theta2 op313 20240315 dmorcuende.png

Significance map

Excess map

Spectral results

  type      name      value         unit        error      min    max frozen is_norm link
-------- ---------- ---------- -------------- --------- --------- --- ------ ------- ----
spectral      index 2.8308e+00                3.247e-01 1.000e+00 nan  False   False     
spectral  amplitude 1.9350e-09 TeV-1 s-1 cm-2 5.363e-10       nan nan  False    True     
spectral  reference 1.0000e+02            GeV 0.000e+00       nan nan   True   False     
spectral alpha_norm 1.0000e+00                0.000e+00       nan nan   True   False     
spectral   redshift 9.9700e-01                0.000e+00       nan nan   True   False     

Sed op313 p062 dmorcuende.png

Light curve

Including all data from December 2023 on:

OP313 LC until 2024-03-06.png