Discovery certificate for object 2019wdt
TNS Astronomical Transient Report No. 54061 [ 2019TNSTR2546....1S ]

Date Received (UTC): 2019-12-07 00:55:51
Sender: Prof. Krzysztof Stanek
Reporting Group: ASAS-SN     Discovery Data Source: ASAS-SN

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

IAU Designation: AT 2019wdt
Discoverer internal name: ASASSN-19acw
Coordinates (J2000): RA = 14:16:53.563 (214.22318) DEC = +10:47:51.50 (10.79764)
Discovery date: 2019-12-06 12:14:24.000 (JD=2458824.01)

Potential host galaxy: UGC 09137 NED02
Host redshift: 0.023012

Remarks: Discovered after the seasonal break, possible nuclear source, so could also be a TDE

Photometry

Discovery (first detection):
Discovery date: 2019-12-06 12:14:24.000
Flux: 16.5 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt

Last non-detection:
Last non-detection date: 2019-08-31 00:14:24
Limiting flux: 17.5 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/2019wdt