Search
Text Size:
Smaller Text Normal Text Larger Text

Facebook page Bluesky page

Instagram profile YouTube channel

Program Tracking
Proposal 73-507
Semester P73: 20260401 - 20261001
Principal Investigator K. Koljonen
Programme Disentagling the optical emission mechanisms in tidal disruption events
Instrument ALFOSC
Time Allocation 19.5 hours SoftToO
Total Nights 19.5h
Type ToO/SoftToO
Notes
Total Time Spent 11:47 (hh:mm)
Proposal Date Time Type Targets Files Comments Status
73-507 2026-04-11 01:15 SoftToO AT2026hir ALJd110124 - ALJd110138 Observed under clear skies and seeing around 1-2". Observed
73-507 2026-04-23 01:15 SoftToO AT2026hir ALJd230082 - ALJd230096 Observed under clear skies and seeing around 1". Observed
73-507 2026-06-29 00:25 SoftToO TDE2026pag ALJf290249 - ALJf290252 Only one out of three OBs were observed due to high clouds coming in. Seeing was subarcsec Observed
73-507 2026-07-15 00:55 SoftToO AT2026twd ALJg150110 - ALJg150114; ALJg150116 - ALJg150120 Observed block_1 and block_3 with clear skies and seeing around 0.7". Block_2 was unfortunately not observed, due to time lost from technical faults. Observed
73-507 2026-07-28 00:27 SoftToO AT2026twd ALJg280166 - ALJg280174 Block 1 observed with intermittent thin clouds and seeing around 1.2". Block 2 aborted due to clouds. Observed
73-507 2026-08-02 01:21 SoftToO AT2026twd ALJh020088 - ALJh020102 clear skies, good seeing. Observed
73-507 2026-08-24 01:15 SoftToO AT2026twd ALJh240220 - ALJh240234 Observed with good seeing on slightly dusty sky. The first attempt of block_3 was interrupted due to mismatching finding chart. File ALJh240219 should be usable. Observed
73-507 2026-09-04 01:11 SoftToO AT2026yxi ALJi040080 - ALJi040084, ALJi040085 - ALJi040089, ALJi040090 - ALJi040094 Target observed successfully, under clear skies and at seeing levels varying between sub-arcsec and up to approx 1". Observed
73-507 2026-09-08 01:13 SoftToO AT2026twd ALJi080169 - ALJi080173, ALJi080174 - ALJi080178, ALJi080179 - ALJi080183 Observed with clear sky, high levels of dust, and seeing about 1.0'' - 1.2'' Observed
73-507 2026-09-16 01:12 SoftToO AT2026yxi ALJi160062 - ALJi160076 All OBs executed successfully Observed
73-507 2026-09-23 01:18 SoftToO AT2026twd ALJi230055 - ALJi230059, ALJi230071 - ALJi230075, ALJi230076 - ALJi230080 Observed under dusty skies, thin clouds, and seeing around 1.0" 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: October 08 2026