Discovery certificate for object 2019bsa
TNS Astronomical Transient Report No. 30719

Date Received (UTC): 2019-03-13 03:37:47
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 2019bsa
Discoverer internal name: ASASSN-19fi
Coordinates (J2000): RA = 11:10:51.989 (167.71662) DEC = +28:42:11.34 (28.70315)
Discovery date: 2019-03-12 21:07:12 (JD=2458555.38)

Potential host galaxy: MCG +05-27-004 NED02
Host redshift: 0.033997

Remarks: Present in several epochs, on the rise, possible nuclear source, so it might be a TDE

Photometry

Discovery (first detection):
Discovery date: 2019-03-12 21:07:12
Flux: 16.9 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2019-03-05 03:56:09
Limiting flux: 18.4 ABMag
Filter: g-Sloan
Instrument: Cassius
Telescope: ASASSN-Cassius


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