Discovery certificate for object 2016A
TNS Astronomical Transient Report No. 2

Date Received (UTC): 2016-01-02 22:19:53
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

Stanek, Brown, Holoien, Kochanek, Godoy-Rivera, Basu, Shappee, Prieto, Bersier, Dong, Chen, Brimacombe report/s the discovery of a new astronomical transient.

IAU Designation: SN 2016A
Discoverer internal name: ASASSN-16aa
Coordinates (J2000): RA = 08:09:14.49 (122.31037) DEC = +00:16:51.20 (0.28089)
Discovery date: 2016-01-02 09:50:24 (JD=2457389.91)

Potential host galaxy: UGC 04251
Host redshift: 0.017375

Remarks: Discovered with V=16.8 on 016-01-02.41, weak detection on 015-12-31.47 with V=16.8, upper limit on 2015-12-30.49 (V>17.0).

Photometry

Discovery (first detection):
Discovery date: 2016-01-02 09:50:24
Flux: 16.8 VegaMag
Filter: V-Johnson
Instrument: Brutus
Telescope: ASASSN-Brutus

Remarks: Confirmed with LCOGT (Dome B Sutherland) 2x90-sec V-band images taken on 2016-01-02T20:50:35.

Last non-detection:
Last non-detection date: 2015-12-30 11:55:40
Limiting flux: 17 VegaMag
Filter: V-Johnson
Instrument: Brutus
Telescope: ASASSN-Brutus


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2016A