Discovery certificate for object 1987V
TNS Astronomical Transient Report No. 228881 [ 2024TNSTR3966....1M ]

Date Received (UTC): 2024-10-12 19:19:03
Sender: Denis Denisenko
Reporting Group: PALEO     Discovery Data Source: PALEO

A. Maslak, D. Denisenko (Vorobyovy Gory Education Center) report/s the discovery of a new astronomical transient.

IAU Designation: AT 1987V
Coordinates (J2000): RA = 09:05:49.180 (136.454917) DEC = +03:36:12.60 (3.6035)
Discovery date: 1987-11-29 11:48:00.000 (JD=2447128.9916667)

Potential host galaxy: SDSS J090549.24+033608.8

Remarks: Possible supernova discovered by Anastasia Maslak on the Blue DSS plate. The object is located 1" West and 4" North from the center of SDSS J090549.24+033608.8 galaxy.

Photometry

Discovery (first detection):
Discovery date: 1987-11-29 11:48:00.000
Flux: 17.9 ABMag
Filter: B-Johnson
Instrument: Other
Telescope: Other

Remarks: POSS-II Blue photographic plate taken with the 48-inch Palomar Schmidt camera.

Last non-detection:
Archival info: Other
Remarks: Nothing but galaxy background is present at this position on the color-combined PanSTARRS-1 images (limiting magnitude 23.5).

Details of the new object can be viewed here: https://www.wis-tns.org/object/1987V