Discovery certificate for object 2019xtx
TNS Astronomical Transient Report No. 55690 [ 2019TNSTR2685....1S ]

Date Received (UTC): 2019-12-24 17:15:11
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 2019xtx
Discoverer internal name: ASASSN-19adv
Coordinates (J2000): RA = 02:52:13.649 (43.05687) DEC = -39:16:16.90 (-39.27136)
Discovery date: 2019-12-23 21:21:36 (JD=2458841.39)


Remarks: Present in multiple epochs, very faint, uncatalogued host galaxy

Photometry

Discovery (first detection):
Discovery date: 2019-12-23 21:21:36
Flux: 17.7 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2019-12-15 02:09:36
Limiting flux: 18.3 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/2019xtx