Discovery certificate for object 2018bcb
TNS Astronomical Transient Report No. 18062 [ 2018TNSTR.555....1B ]

Date Received (UTC): 2018-04-27 12:57:26
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

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

IAU Designation: AT 2018bcb
Discoverer internal name: ASASSN-18jd
Coordinates (J2000): RA = 22:43:42.912 (340.9288) DEC = -16:59:08.05 (-16.98557)
Discovery date: 2018-04-27 02:52:48 (JD=2458235.62)

Potential host galaxy: 2MASX J22434289-1659083

Remarks: In several epochs, unknown redshift host, looks nuclear, so could also be a TDE

Photometry

Discovery (first detection):
Discovery date: 2018-04-27 02:52:48
Flux: 17.5 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2018-04-09 09:50:24
Limiting flux: 16.9 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/2018bcb