Difference between revisions of "GRB220501A"

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Line 8: Line 8:
 
|-
 
|-
 
|DL2 Production
 
|DL2 Production
|style="background-color:#FF0000" |To do
+
|style="background-color:#00BA00" |Done
 
|
 
|
 
|-
 
|-
 
|Low Level Check
 
|Low Level Check
|style="background-color:#FF0000" |To do
+
|style="background-color:#00BA00" |Done
 
|
 
|
 
|-
 
|-
 
|DL3 Production
 
|DL3 Production
|style="background-color:#FF0000" |To do
+
|style="background-color:#FF0000" |Not done
|
+
|No sig. detection
 
|-
 
|-
 
|High Level Analysis
 
|High Level Analysis
|style="background-color:#FF8000" |On going
+
|style="background-color:#FF0000" |Not done
|
+
|No sig. detection
 
|}
 
|}
  
Line 91: Line 91:
 
* '''Software versions''':  
 
* '''Software versions''':  
 
**lstchain v0.9.6
 
**lstchain v0.9.6
 +
**lstMCpipe v0.9.2
  
 
* '''Cuts and parameters used''':  
 
* '''Cuts and parameters used''':  
Line 99: Line 100:
 
* ''' DL1 files ''':
 
* ''' DL1 files ''':
  
Used DL1b files produced by LSTOSA (lstchain v0.9)
+
Used DL1a files produced by LSTOSA (lstchain v0.9)
  
 
  /fefs/aswg/data/real/DL1/20220311/v0.9/tailcut84/dl1_LST-1.Run0{8043-8044}.h5
 
  /fefs/aswg/data/real/DL1/20220311/v0.9/tailcut84/dl1_LST-1.Run0{8043-8044}.h5
 +
 +
Since the data taking is in twilight conditions, a tail cut 10 5 cleaning is applied using lstchain_dl1ab.py and standard configuration file from lstchain v0.9.4.
  
 
* ''' Random Forest ''':
 
* ''' Random Forest ''':
src-indep (point gamma, disp_norm)
+
src-indep (diffuse gamma, disp_norm) and tuned to run 8044.0000, tail cut 10 5 cleaning.
  /fefs/aswg/
+
  /fefs/aswg/workspace/arnau.aguasca/Analysis/results/MC/lstMCpipe/models/20200629_prod5_trans_80/zenith_40deg/south_pointing/20220504_v0.9.1_prod5_trans_80_tailcut105_dynclg_tNSBtoGRB220501A_PSF
 +
 
 +
parameters used to tune the MC files:
 +
 
 +
  "image_modifier": {
 +
    "increase_nsb": true,
 +
    "extra_noise_in_dim_pixels": 1.801,
 +
    "extra_bias_in_dim_pixels": 1.098,
 +
    "transition_charge": 8,
 +
    "extra_noise_in_bright_pixels": 4.557,
 +
    "increase_psf": true,
 +
    "smeared_light_fraction": 0.125
 +
  },
  
 
* '''DL2 MC data for IRF''':
 
* '''DL2 MC data for IRF''':
 +
Not done, no significant detection.
  
 
* '''Overall selected observation time''': 25 min  
 
* '''Overall selected observation time''': 25 min  
Line 118: Line 134:
  
 
* theta < 0.2
 
* theta < 0.2
 +
 +
{| align='center'
 +
| [[Image:GRB220501A-theta2plot.png|thumb|600px|center|alt=Theta2 plot for GRB220501A.|Theta2 plot for GRB220501A.]]
 +
|
 +
|}

Revision as of 14:06, 4 May 2022

Go back to Transient observation logbook.

Status

Step Status Comment
DL2 Production Done
Low Level Check Done
DL3 Production Not done No sig. detection
High Level Analysis Not done No sig. detection

Green color code : 00BA00

Red Color code : FF0000

Orange Color code : FF8000

Multi-wavelength Observations

Timeline
T0+ Instrument Outcome Outcome specific value (flux/UL/...) Comment Link
22.3 min BOOTES-1 No detection up to 17.5 mag https://gcn.gsfc.nasa.gov/gcn3/31990.gcn3
8.8 to 38.9 min GRANDMA/TJML No detection r(AB) > 16.0 mag https://gcn.gsfc.nasa.gov/gcn3/31984.gcn3


Alert Information

  • Name/type of the alert: Name
  • GCN notice:
  • Triggered by: Swift-BAT and Fermi GBM
  • Alert coordinates:
    • RA: 05 42 18 (hh mm ss), Dec: +14 02 00 (dd mm ss)
    • RA, Dec in deg (ICRS): 85.577, +14.033
  • Alert arrival time: 2022-05-01T19:51:54 (TYPE_INTEGRAL_WAKEUP)
  • Other relevant information: We observed Swift-BAT position because the position error was lower than Fermi GBM error.
    • Redshift (z):

LST Observations

  • Dates of data-taking: 2022-05-01
    • 2022-05-01
      • Zenith range (deg): 65 -> 70
      • Transmission9km: n/a
      • Observation condition: twilight
      • Observation mode: std wobbles (W1 and W2)
      • Runs: 8043 - 8044
      • Joint observations with MAGIC? : No
      • ELOG link: Logbook URL
      • Important comments:

Analysis

Analysis configuration

  • Analyzer: Arnau Aguasca-Cabot (Barcelona Univ., email: arnau.aguasca@fqa.ub.edu)
  • Software versions:
    • lstchain v0.9.6
    • lstMCpipe v0.9.2
  • Cuts and parameters used:
    • intensity > 50
    • gammaness > 0.7
    • leakage < 0.2
  • DL1 files :

Used DL1a files produced by LSTOSA (lstchain v0.9)

/fefs/aswg/data/real/DL1/20220311/v0.9/tailcut84/dl1_LST-1.Run0{8043-8044}.h5

Since the data taking is in twilight conditions, a tail cut 10 5 cleaning is applied using lstchain_dl1ab.py and standard configuration file from lstchain v0.9.4.

  • Random Forest :

src-indep (diffuse gamma, disp_norm) and tuned to run 8044.0000, tail cut 10 5 cleaning.

/fefs/aswg/workspace/arnau.aguasca/Analysis/results/MC/lstMCpipe/models/20200629_prod5_trans_80/zenith_40deg/south_pointing/20220504_v0.9.1_prod5_trans_80_tailcut105_dynclg_tNSBtoGRB220501A_PSF

parameters used to tune the MC files:

 "image_modifier": {
   "increase_nsb": true,
   "extra_noise_in_dim_pixels": 1.801,
   "extra_bias_in_dim_pixels": 1.098,
   "transition_charge": 8,
   "extra_noise_in_bright_pixels": 4.557,
   "increase_psf": true,
   "smeared_light_fraction": 0.125
 },
  • DL2 MC data for IRF:

Not done, no significant detection.

  • Overall selected observation time: 25 min
  • Position analyzed: 85.577, +14.033 (deg)
  • Analysis/data problems:

Theta2 plot

  • theta < 0.2
Theta2 plot for GRB220501A.
Theta2 plot for GRB220501A.