72-302 The origins of the Fast X-ray Transients

PI: Peter Jonker

Observing instructions:

Go to the directory
cd ~/scripts/72-302

execute the requested scripts.

P72 tracking

Program Tracking

Proposal 72-302

Semester P73: 20260401 - 20261001

Principal Investigator Peter Jonker

Programme The origins of the Fast X-ray Transients

Instrument ALFOSC

Time Allocation 23 h ToO ITP time

Total Nights 23h

Type ToO/SoftToO

Notes

Total Time Spent 05:02 (hh:mm)

Proposal Date Time Type Targets Files Comments Status

72-302 2026-05-26 00:38 ToO EP260526a ALJe260068 - ALJe260075 Observed with thin clouds and seeing between 0.7"-0.9". Observed

72-302 2026-05-28 00:40 ToO EP260527a ALJe280084 - ALJe280099 Clear skies and great seeing Observed

72-302 2026-06-10 00:38 ToO EP260610b ALJf100268 - ALJf100275 Clear skies and good seeing Observed

72-302 2026-07-07 00:18 ToO EP260707a ALJg070124 - ALJg070129 Observed with clear skies and seeing around 0.9". Data shared with proposal P73-504. Note that the automated duration is incorrect, as the observation of 6x300s amounted to a duration of 34 minutes, as stated under "time spent". Observed

72-302 2026-08-12 00:20 ToO EP260812a ALJh120052 - ALJh120059 Observed with clear sky and subarcsec seeing Observed

72-302 2026-08-13 00:45 ToO EP260812b, EP260812a ALJh130061 - ALJh130065, ALJh130077 - ALJh130081 Targets observed with clear sky and subarcsec seeing Observed

72-302 2026-08-14 00:26 ToO EP260812b ALJh140126 - ALJh140134 Observed in clear skies and seeing below 1". Shared with program 73-504. Observed

72-302 2026-08-15 00:26 ToO EP260812b ALJh150105 - ALJh150113 Observed in clear skies and seeing below 1". Shared with 73-504. Observed

72-302 2026-08-16 00:51 ToO EP260812b ALJh160128 - ALJh160136 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

Last modified: April 07 2026