Discovery certificate for object 2017ayk
TNS Astronomical Transient Report No. 9151 [ 2017TNSTR.212....1S ]

Date Received (UTC): 2017-02-20 18:08:46
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

K. Z. Stanek, for the ASAS-SN team report/s the discovery of a new astronomical transient.

IAU Designation: SN 2017ayk
Discoverer internal name: ASASSN-17cr
Coordinates (J2000): RA = 16:23:49.858 (245.95774) DEC = +15:04:48.18 (15.08005)
Discovery date: 2017-02-20 15:21:36 (JD=2457805.14)

Potential host galaxy: SDSS J162349.91+150448.3
Host redshift: 0.034419

Remarks: In two epochs

Photometry

Discovery (first detection):
Discovery date: 2017-02-20 15:21:36
Flux: 17.15 VegaMag
Filter: V-Johnson
Instrument: Brutus
Telescope: ASASSN-Brutus

Last non-detection:
Last non-detection date: 2017-02-09 13:26:24
Limiting flux: 17.2 VegaMag
Filter: V-Johnson
Instrument: Cassius
Telescope: ASASSN-Cassius


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2017ayk