Discovery certificate for object 2019opi
TNS Astronomical Transient Report No. 45099 [ 2019TNSTR1612....1S ]

Date Received (UTC): 2019-08-25 20:58:08
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 2019opi
Discoverer internal name: ASASSN-19un
Coordinates (J2000): RA = 18:09:56.722 (272.48634) DEC = -14:08:33.32 (-14.14259)
Discovery date: 2019-08-24 04:19:12 (JD=2458719.68)


Remarks: Transient close to the Galactic plane, no Vizier match, could be a Nova or a CV

Photometry

Discovery (first detection):
Discovery date: 2019-08-24 04:19:12
Flux: 16.8 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski

Last non-detection:
Last non-detection date: 2019-08-21 04:33:36
Limiting flux: 18 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/2019opi