Discovery certificate for object 2018hgc
TNS Astronomical Transient Report No. 23459 [ 2018TNSTR1549....1B ]

Date Received (UTC): 2018-10-11 03:31:55
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

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

IAU Designation: SN 2018hgc
Discoverer internal name: ASASSN-18xr
Coordinates (J2000): RA = 00:42:04.560 (10.519) DEC = -02:37:40.80 (-2.628)
Discovery date: 2018-10-10 00:57:36 (JD=2458401.54)

Potential host galaxy: 2MASX J00420581-0237394
Host redshift: 0.051782

Remarks: In several epochs, confirmed by follow-up imaging, most likely in TESS Sector 3 field of view

Photometry

Discovery (first detection):
Discovery date: 2018-10-10 00:57:36
Flux: 17.9 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2018-10-08 00:57:36
Limiting flux: 18.2 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin


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