Discovery certificate for object 2019ybv
TNS Astronomical Transient Report No. 55946 [ 2019TNSTR2706....1B ]

Date Received (UTC): 2019-12-27 16:49:14
Sender: Prof. Krzysztof Stanek
Reporting Group: ASAS-SN     Discovery Data Source: ASAS-SN

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

IAU Designation: SN 2019ybv
Discoverer internal name: ASASSN-19adz
Coordinates (J2000): RA = 06:50:08.849 (102.53687) DEC = -45:57:39.10 (-45.96086)
Discovery date: 2019-12-27 05:45:36.000 (JD=2458844.74)

Potential host galaxy: WISEA J065009.20-455737.5

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

Photometry

Discovery (first detection):
Discovery date: 2019-12-27 05:45:36.000
Flux: 17.6 ABMag
Filter: g-Sloan
Instrument: Cassius
Telescope: ASASSN-Cassius

Last non-detection:
Last non-detection date: 2019-12-23 03:36:00
Limiting flux: 18.4 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/2019ybv