Discovery certificate for object 1991bm
TNS Astronomical Transient Report No. 52633 [ 2019TNSTR2353....1R ]

Date Received (UTC): 2019-11-13 18:25:55
Sender: Filipp Romanov
Reporting Group: None     Discovery Data Source: None

Filipp Romanov report/s the discovery of a new astronomical transient.

IAU Designation: AT 1991bm
Discoverer internal name: GSC2.3 N0ZY037003
Coordinates (J2000): RA = 18:15:14.404 (273.810015) DEC = +47:31:51.55 (47.530987)
Discovery date: 1991-08-06 04:25:00 (JD=2448474.6840278)

Potential host galaxy: UGC 11180
Host redshift: 0.040188

Remarks: Possible missed supernova in UGC 11180 on POSS-II Red plate (August 06, 1991).

Photometry

Discovery (first detection):
Discovery date: 1991-08-06 04:25:00
Flux: 13.98 Other
Filter: Other-
Instrument: Other
Telescope: Other

Remarks: Band Fpg (POSSII); 48-inch (1.2-meter) Samuel Oschin Telescope.

Last non-detection:
Last non-detection date: 1990-06-26 07:03:00
Limiting flux: 22.5 Other
Filter: Other-
Instrument: Other
Telescope: Other

Remarks: Band Jpg (POSSII); 48-inch (1.2-meter) Samuel Oschin Telescope.

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/1991bm