Discovery certificate for object 2019llt
TNS Astronomical Transient Report No. 41923 [ 2019TNSTR1223....1S ]

Date Received (UTC): 2019-07-20 10:11:54
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

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

IAU Designation: SN 2019llt
Discoverer internal name: ASASSN-19rv
Coordinates (J2000): RA = 13:33:55.565 (203.48152) DEC = +29:33:26.68 (29.55741)
Discovery date: 2019-07-20 03:36:00 (JD=2458684.65)

Potential host galaxy: 2MASX J13335542+2933255
Host redshift: 0.037

Remarks: Nuclear source, so could also be a TDE

Photometry

Discovery (first detection):
Discovery date: 2019-07-20 03:36:00
Flux: 17.4 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt

Last non-detection:
Last non-detection date: 2019-07-19 03:50:24
Limiting flux: 17.9 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/2019llt