Discovery certificate for object 2017gkt
TNS Astronomical Transient Report No. 13341 [ 2017TNSTR.947....1B ]

Date Received (UTC): 2017-09-01 15:12:53
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

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

IAU Designation: SN 2017gkt
Discoverer internal name: ASASSN-17lm
Coordinates (J2000): RA = 23:36:25.800 (354.1075) DEC = +27:23:53.84 (27.39829)
Discovery date: 2017-08-27 08:23:59 (JD=2457992.8499884)

Potential host galaxy: 2MASX J23362597+2723541
Host redshift: 0.030464

Remarks: In several epochs, nuclear source, so could also be a TDE

Photometry

Discovery (first detection):
Discovery date: 2017-08-27 08:23:59
Flux: 17.1 VegaMag
Filter: V-Johnson
Instrument: Brutus
Telescope: ASASSN-Brutus

Last non-detection:
Last non-detection date: 2017-08-16 11:16:48
Limiting flux: 17.7 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/2017gkt