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P71-017

P71-017: Probing the Geometry of Fast Extragalactic Transients

P.I.: Thomas Killestein

This is a ToO/SoftToO program using ALFOSC.

Instrument setup

  • ALFOSC

  • Lin-Pol-imaging: Calcite + FAPOL half-wave-plate

  • Spectro-long-slit: Grism#4

Morning instructions

  • Run calibrations: alfosc-calibs ALHmddnnnn

Observing instructions

  • On the Queue page, make sure the OB-generated observing script is written to disk, or else 'compile'

  • Go to directory: cd ~/obs/scripts/71-017/ and do ls -lrt

  • Start the requested OB generated script

Program Tracking
Proposal 71-017
Semester P71: 20250401 - 20251001
Principal Investigator Thomas Killestein
Programme Probing the Geometry of Fast Extragalactic Transients
Instrument ALFOSC
Time Allocation 3.3h ToO , 7.7h SoftToO
Total Nights 11h
Type ToO+SoftToO
Notes
Total Time Spent 05:18 (hh:mm)
Proposal Date Time Type Targets Files Comments Status
71-017 2025-05-04 00:19 SoftToO 2025imp ALIe040047 - ALIe040052 Observed with partial thin cloud coverage in the sky. Seeing was 0.7'' at the start of the exposure. Observed
71-017 2025-05-07 00:45 ToO 2025imp ALie0700102-ALie0700105 Observed with clear sky, seeing 0.8''. Observed
71-017 2025-05-25 00:10 ToO SN2025kzr ALIe250068 - ALIe250071 Clear skies, and the seeing was around 1.0". Observed
71-017 2025-05-31 00:11 ToO SN2025kzr ALIe310055 - ALIe310058 Observed right after end of nautical twilight with clear skies and seeing around 1.0". Observed
71-017 2025-07-29 00:33 SoftToO 2025rab ALIg290271 - ALIg290274 Target observed in clear skies and seeing around 0.8". Observed
71-017 2025-08-07 00:21 SoftToO SP2209+178, 2025rab ALIh070133 - ALIh070142 Observed with dusty conditions and approx. 1 arcsec. seeing. During the actual exposure thin clouds started forming in the last few minutes of the exposure. Observed
71-017 2025-08-15 01:04 ToO 2025rab ALIh150114 - ALIh150121 observed with 1.2" seeing. Started slightly before OB specified LST range. Observed
71-017 2025-09-13 00:23 SoftToO 2025uue ALIi130147 - ALIi130150 Observed with clear grey skies, and seeing around 1.1" Observed
71-017 2025-09-16 00:24 SoftToO 2025uue ALIi160076 - ALIi160079 Target observed in clear skies with moderately high winds and sub-arcsec seeing. Observed
71-017 2025-09-20 00:23 SoftToO 2025uue ALIi200075 - ALIi200078 Observed under clear sky and seeing around 1". Observed
71-017 2025-09-25 00:22 SoftToO 2025uue ALIi250158 - ALIi250161 Observed through thin clouds and seeing just below 1.3 arcsec. Observed
71-017 2025-09-26 00:23 SoftToO 2025uue ALIi260149 - ALIi260152 Observed under clear skies and seeing around 1". 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: March 14 2025