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P74-515: The nature and origin of gamma-ray bursts in the SVOM and EP era

PI: Daniele Bjorn Malesani, Johan Peter Uldall Fynbo, Dong Xu



ALFOSC/StanCam + NOTCam ToO program with override status

ToO triggers have override status.

The OB generator will be used to request all observations.
The OBs will automatically appear in the OB queue and OB generated scripts will be automatically placed in the directory ~/scripts/71-506/.

For the observer:

Go to the directory
  cd ~/scripts/74-515
List the available scripts
  ls -lrt
and execute the OB generated scripts requested.
If you cannot find the corresponding observing script, please (re-)compile it from the Queue interface.

In the case of NOTCam, make sure that differential skyflats are obtained for the camera and filter setup that is requested.

Remember to fill the ToO or SoftToO tracking logs of this program.


Program Tracking
Proposal 74-515
Semester P74: 20261001 - 20270401
Principal Investigator Daniele Bjorn Malesani, Johan Peter Uldall Fynbo, Dong Xu
Programme The nature and origin of gamma-ray bursts in the SVOM and EP era
Instrument ALFOSC+NOTCAM
Time Allocation 40 hours ToO and 20 hours SoftToO; 5 hours RRM; 5 hours NOTCam ToO
Total Nights 70h
Type RRM/ToO/SoftToO
Notes Override
Total Time Spent 02:42 (hh:mm)
Proposal Date Time Type Targets Files Comments Status
74-515 2026-10-07 00:20 ToO GRB261007A ALJj070091 - ALJj070092; ALJj070097 - ALJj070099 First try: Observing under clear skies. Seeing started around 1.3" and ended around 3". The script was aborted because humidity rose past 90%. Second try: Observing under clear skies. Seeing started around 2" and maintained. Files from the first try might be useful. Second target could not be observed due to weather conditions. Observed
74-515 2026-10-10 00:53 ToO GRB261010A, GRB260924A ALJj100058 - ALJj100065, ALJj100246 - ALJj100251 The target GRB261010 was observed successfully in r' band, with clear skies and seeing around 1.0". After the first three full exposures in the r' band were completed, an error occurred during the execution of the subsequent part of the script. A new script was submitted but the OB was terminated early at the PI's request. For the next OB, the observation could not be carried out because no guide star was found. The target GRB260924 was observed successfully with clear skies and seeing around 1.0". Observed
74-515 2026-10-11 01:29 ToO GRB261010A, GRB261011A, GRB260924A ALJj110064 - ALJj110069, ALJj110100 - ALJj110102, ALJj110149 - ALJj110154 All targets observed successfully: Target GRB261010 observed with thin clouds and seeing around 1.0". Target GRB261011 observed with clear skies and sub-arcsec seeing. Target GRB260924 observed with clear skies and seeing around 0.8". Observed

 

The above information is collected from the ToO/Mon reports that have been created by the observer.

Should any of the observations have been carried out using the OB system, you will find additional information HERE

Back to top Last modified: September 22 2026