Discovery certificate for object 2019opf
TNS Astronomical Transient Report No. 45094 [ 2019TNSTR1611....1B ]

Date Received (UTC): 2019-08-25 19:03:44
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

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

IAU Designation: AT 2019opf
Discoverer internal name: ASASSN-19ul
Coordinates (J2000): RA = 17:37:10.870 (264.29529) DEC = -84:10:56.42 (-84.18234)
Discovery date: 2019-08-24 18:00:00 (JD=2458720.25)

Potential host galaxy: 2MASX J17371018-8411071

Remarks: Present in multiple epochs, confirmed via follow-up imaging, unknown redshift host

Photometry

Discovery (first detection):
Discovery date: 2019-08-24 18:00:00
Flux: 18.1 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2019-08-02 00:28:48
Limiting flux: 18.3 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/2019opf