Discovery certificate for object 2019mtw
TNS Astronomical Transient Report No. 43320 [ 2019TNSTR1423....1S ]

Date Received (UTC): 2019-08-06 16:48:54
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: AT 2019mtw
Discoverer internal name: ASASSN-19tq
Coordinates (J2000): RA = 20:25:57.350 (306.48896) DEC = -48:22:24.35 (-48.37343)
Discovery date: 2019-08-06 07:12:00 (JD=2458701.8)

Potential host galaxy: 2MASX J20255733-4822265
Host redshift: 0.06707

Remarks: Present in multiple epochs, nuclear source, so could also be a TDE

Photometry

Discovery (first detection):
Discovery date: 2019-08-06 07:12:00
Flux: 17.6 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski

Last non-detection:
Last non-detection date: 2019-07-29 00:43:12
Limiting flux: 18.2 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/2019mtw