Discovery certificate for object 2019vyw
TNS Astronomical Transient Report No. 53842 [ 2019TNSTR2501....1P ]

Date Received (UTC): 2019-12-02 22:55:41
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

I. Perez-Fournon, C. Jimenez Angel, F. Poidevin, R. Shirley (IAC & ULL), R. Marques-Chaves (CAB), S. Geier (GRANTECAN & IAC), Y. Shu (IoA), S. Rodney, J. Roberts-Pierel (Univ. of South Carolina), A. Bolton (NSF's OIR Lab), S. Chakrabarti, P. Craig, and B. Alamiri (RIT) report/s the discovery of a new astronomical transient.

IAU Designation: SN 2019vyw
Discoverer internal name: SGLF2, ZTF19acsaoxd
Coordinates (J2000): RA = 08:12:00.621 (123.002588) DEC = +31:49:34.97 (31.826381)
Discovery date: 2019-11-09 13:11:30.000 (JD=2458797.0496528)

Remarks: Data were provided by the Zwicky Transient Facility (, processed through the Lasair broker (


Discovery (first detection):
Discovery date: 2019-11-09 13:11:30.000
Flux: 20.251 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-11-04 12:05:06
Limiting flux: 20.487 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: