Discovery certificate for object 2018gys
TNS Astronomical Transient Report No. 23206 [ 2018TNSTR1479....1S ]

Date Received (UTC): 2018-10-01 06:04:25
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 2018gys
Discoverer internal name: ASASSN-18wg
Coordinates (J2000): RA = 23:17:53.474 (349.47281) DEC = -42:12:46.73 (-42.21298)
Discovery date: 2018-09-30 18:57:36 (JD=2458392.29)

Potential host galaxy: LCRS B231508.2-422911

Remarks: On the rise, unknown redshfit host galaxy, potentially a nuclear source

Photometry

Discovery (first detection):
Discovery date: 2018-09-30 18:57:36
Flux: 17.95 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2018-09-29 02:38:24
Limiting flux: 18.4 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2018gys