Discovery certificate for object 2019opg
TNS Astronomical Transient Report No. 45095 [ 2019TNSTR1612....1S ]

Date Received (UTC): 2019-08-25 19:20:26
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 2019opg
Discoverer internal name: ASASSN-19um
Coordinates (J2000): RA = 18:23:10.795 (275.79498) DEC = -17:38:11.18 (-17.63644)
Discovery date: 2019-08-24 06:00:00 (JD=2458719.75)


Remarks: Near the Galactic plane, on the rise, possible Galactic Nova or a CV

Photometry

Discovery (first detection):
Discovery date: 2019-08-24 06:00:00
Flux: 15.4 ABMag
Filter: g-Sloan
Instrument: Cassius
Telescope: ASASSN-Cassius

Last non-detection:
Last non-detection date: 2019-08-23 22:19:12
Limiting flux: 17.9 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2019opg