Discovery certificate for object 2019gcc
TNS Astronomical Transient Report No. 35952 [ 2019TNSTR.869....1S ]

Date Received (UTC): 2019-05-29 16:31:22
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 2019gcc
Discoverer internal name: ASASSN-19ns
Coordinates (J2000): RA = 17:34:06.394 (263.52664) DEC = +25:20:37.21 (25.34367)
Discovery date: 2019-05-26 07:40:48 (JD=2458629.82)

Potential host galaxy: UGC 10905
Host redshift: 0.026161

Remarks: Present in multiple epochs, nuclear source, so could also be a TDE

Photometry

Discovery (first detection):
Discovery date: 2019-05-26 07:40:48
Flux: 17.1 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt

Last non-detection:
Last non-detection date: 2019-05-09 12:00:00
Limiting flux: 18.9 ABMag
Filter: g-Sloan
Instrument: Brutus
Telescope: ASASSN-Brutus


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2019gcc