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Program Tracking
Proposal 62-504
Semester P62: 20201001 - 20210401
Principal Investigator Hakon Dahle
Programme Unambiguous time delay values for the lensed quasar SDSS J0909+4449
Instrument ALFOSC
Time Allocation 19 epochs of 20 min
Total Nights 6.4h
Type Mon
Notes Fixed dates to be scheduled
Total Time Spent 03:10 (hh:mm)
Proposal Date Time Type Targets Files Comments Status
62-504 2020-10-13 00:20 Mon SDSSJ0909 ALDj130455 - ALDj130457 Observed in dusty and partly cloudy conditions. Observed
62-504 2020-10-21 00:00 Mon The whole night was lost to high humidity and rain. Failed
62-504 2020-10-26 00:20 Mon SDSSJ0909 ALDj260063 - ALDj260065 Observed. Observed
62-504 2020-11-11 00:00 Mon 0 None High humidity during all night Failed
62-504 2020-11-19 00:00 Mon Thick clouds Failed
62-504 2020-11-26 00:00 Mon Failed
62-504 2020-11-27 00:00 Mon Failed
62-504 2020-12-11 00:19 Mon SDSSJ0909 ALDl110118 - ALDl110120 Observed
62-504 2020-12-23 00:20 Mon SDSSJ0909 ALDl230013 - ALDl230015 After three attempts, the target was finally observed under high clouds, seeing between 3.3 and 5.8\", and winds around 12m/s. FJGG Observed
62-504 2021-01-07 00:00 Mon No observations due to stormy weather. Failed
62-504 2021-01-14 00:00 Mon ALFOSC observations could not be made due to issue with the CCD controller. Failed
62-504 2021-01-20 00:18 Mon SDSSJ0909 ALEa200258 - ALEa200260 Observed
62-504 2021-02-04 00:00 Mon Failed
62-504 2021-02-09 00:18 Mon SDSSJ0909 ALEb090107 - ALEb090109 Observed
62-504 2021-02-14 00:18 Mon SDSSJ0909 ALEb140065 - ALEb140067 Clear skies, the seeing was around 2\" and wind speed around 12 m/s. Observed
62-504 2021-02-19 00:00 Mon SDSSJ0909 ALEb190182 - ALEb190184 We attempted to observe it but the seeing was fluctuating between 1.5-2\". Failed
62-504 2021-03-03 00:19 Mon SDSSJ0909 ALEc030141 - ALEc030143 Clear sky with seeing less than 1. Observed
62-504 2021-03-11 00:19 Mon SDSSJ0909 ALEc110121 - ALEc110123 Observed with seeing below 1.0 arcsec and clear skies. Observed
62-504 2021-03-18 00:19 Mon SDSSJ0909 ALEc180105 - ALEc180107 Observed with clear skies and good seeing. 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: April 05 2021