Discovery certificate for object 2019dez
TNS Astronomical Transient Report No. 32737 [ 2019TNSTR.536....1B ]

Date Received (UTC): 2019-04-10 19:17:52
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: SN 2019dez
Discoverer internal name: ASASSN-19jr
Coordinates (J2000): RA = 21:16:01.390 (319.00579) DEC = -58:38:09.92 (-58.63609)
Discovery date: 2019-04-10 02:24:00 (JD=2458583.6)

Potential host galaxy: APMBGC 144-129-063

Remarks: Present in several epochs, on the rise, confirmed via follow-up imaging, unknown redshift, blue host galaxy

Photometry

Discovery (first detection):
Discovery date: 2019-04-10 02:24:00
Flux: 17.6 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2019-04-06 09:07:12
Limiting flux: 18.4 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/2019dez