P71-011: Unknown mass loss at the final evolutionary stage of massive stars

PI: Takashi Nagao

ALFOSC SoftToO program

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/71-011/.

For the observer:

Go to the directory
cd ~/scripts/71-011
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 SoftToO tracking log of this program.

Program Tracking
Proposal	71-011
Semester	P71: 20250401 - 20251001
Principal Investigator	Takashi Nagao
Programme	Unknown mass loss at the final evolutionary stage of massive stars
Instrument	ALFOSC
Time Allocation
Total Nights	26h
Type	SoftToO
Notes
Total Time Spent	15:51 (hh:mm)

Proposal	Date	Time	Type	Targets	Files	Comments	Status
71-011	2025-04-08	00:17	SoftToO	SN2025dys, SN2025bco, SN2024afyu	ALId080075 - ALId080077, ALId080090 - ALId080106	Had to abort due to thick clouds. Later skies cleared enough to observe. Seeing around 1.4"	Observed
71-011	2025-04-17	00:50	SoftToO	SN2025bco, SN2025cdx	ALId170114 - ALId170118, ALId170119 - ALId170126, ALId170127 - ALId170131, ALId170170 - ALId170174	Clear skies, seeing varied between 1.0'' and 1.5'' Files ALId170127 - ALId170131 were from an attempt that was cancelled because of bad seeing	Observed
71-011	2025-04-18	01:03	SoftToO	SN2025cku, SN2025cdx	ALId180113 - ALId180120, ALId180127 - ALId180131, ALId180190 - ALId180197	Clear skies, and the seeing was oscillating between 0.9 and 1.1".	Observed
71-011	2025-04-27	00:42	SoftToO	SN2025dke	ALId270074 - ALId270086	Clear skies and good seeing	Observed
71-011	2025-04-28	00:30	SoftToO	SN2025dys	ALId280060 - ALId280072	One of the targets observed with clear skies, and the seeing was oscillating between 1.0" and 1.1". The rest were not observed due to the night being overbooked.	Observed
71-011	2025-05-02	00:29	SoftToO	SN2025few	ALIe020085 - ALIe020097	Observed with clear skies and good seeing.	Observed
71-011	2025-05-03	01:06	SoftToO	SN2024xeb	ALIe030095 - ALIe030099	One target observed with clear skies and seeing around 0.9'' .	Observed
71-011	2025-05-04	01:06	SoftToO	SN2025bpq	ALIe040073 - ALIe040077	One target observed with partial thin cloud coverage and seeing around 0.9'' at the start of the exposure.	Observed
71-011	2025-05-08	00:37	SoftToO	SN2025cbj	ALIe080107 - ALIe080111	Target observed in thin clouds with seeing around 0.8" at the start. Thicker clouds started to roll in during the last 5 minutes of the observation.	Observed
71-011	2025-05-25	00:56	SoftToO	SN2025dys, SN2025few	ALIe250057, ALIe250060 - ALIe250061, ALIe250063 - ALIe250067, ALIe250112 - ALIe250116, ALIe250117 - ALIe250124	Clear skies, and the seeing was oscillating between 1.0" and 1.2".	Observed
71-011	2025-05-29	00:31	SoftToO	SN2025gvs	ALIe290096 - ALIe290107 , ALIe290108 - ALIe290112	Observed with clear skies and good seeing. Aborted 2024kgi due to other time critical observations, maybe some of the files are acceptable.	Observed
71-011	2025-06-08	01:29	SoftToO	SN2025brg, SN2024kgi	ALIf080108 - ALIf080112, ALIf080127 - ALIf080131	Targets were observed in clear skies and with seeing below 1.0''	Observed
71-011	2025-06-13	00:26	SoftToO	SN2025cdx	ALIf130115 - ALIf130119		Observed
71-011	2025-06-14	00:19	SoftToO	SN2025dke	ALIf140084 - ALIf140091	Observed under a clear sky and seeing around 1.2-1.9"	Observed
71-011	2025-06-15	00:20	SoftToO	SN2025dke	ALIf150064 - ALIf150068	Thick clouds at the start of the night, so could only do one of the supernovae with thin clouds and not great seeing.	Observed
71-011	2025-06-19	01:00	SoftToO	SN2025bco, SN2025gvs	ALIf190134 - ALIf190146, ALIf190152 - ALIf190164	Two targets observed with imaging and spectroscopy. Others were missed due to scheduling limits.	Observed
71-011	2025-06-21	00:41	SoftToO	SN2025few	ALIf210123 - ALIf210135	Observed with a clear sky and subarcsec seeing	Observed
71-011	2025-06-22	02:05	SoftToO	SN2025cku, SN2024xeb, SN2025cbj	ALIf220069 - ALIf220078; ALIf220098 - ALIf220102	Targets observed in clear skies. Seeing worsened throughout the night, with most of the observations with seeing between 1.0" and 1.3", but occasionally drifting up to around 1.5".	Observed
71-011	2025-06-27	00:51	SoftToO	SN2025gvs, SN2025ah	ALIf270128 - ALIf270132, ALIf270142 - ALIf270154	Clear skies, and the seeing was oscillating between 0.7" and 1.0".	Observed
71-011	2025-06-28	00:33	SoftToO	SN2025mvn, SN2025gvs	ALIf280091- ALIf280098, ALIf280121 - ALIf280128	Observed under clear sky and seeing around 0.7"-0.9".	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: March 10 2025