Discovery certificate for object 2018bsr
TNS Astronomical Transient Report No. 18646 [ 2018TNSTR.654....1S ]

Date Received (UTC): 2018-05-17 16:08:53
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

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

IAU Designation: SN 2018bsr
Discoverer internal name: ASASSN-18kl
Coordinates (J2000): RA = 19:27:38.599 (291.91083) DEC = +61:56:48.59 (61.94683)
Discovery date: 2018-05-16 07:40:48 (JD=2458254.82)

Potential host galaxy: VII Zw 884

Remarks: In several epochs, nuclear source, so could also be an AGN or TDE, unknown redshift host

Photometry

Discovery (first detection):
Discovery date: 2018-05-16 07:40:48
Flux: 17.2 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt

Last non-detection:
Last non-detection date: 2018-05-07 08:09:36
Limiting flux: 18.3 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt


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