Discovery certificate for object 2019vdn
TNS Astronomical Transient Report No. 52968 [ 2019TNSTR2392....1F ]

Date Received (UTC): 2019-11-18 20:28:11
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, G. Pignata, J. Arredondo, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, E. Reyes, I. Reyes, P. Sanchez-Saez, C. Valenzuela, E. Castillo, D. Ruz-Mieres, D. Rodriguez-Mancini, F.E. Bauer, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019vdn
Discoverer internal name: ZTF19actnybi
Coordinates (J2000): RA = 12:20:05.478 (185.0228239) DEC = +27:44:04.77 (27.7346582)
Discovery date: 2019-11-18 12:35:30 (JD=2458806.0246528)

Potential host galaxy: SDSS J122005.17+274405.8
Host redshift: 0.076

Remarks: Early SN candidate (g-rise > 0.25+-0.03 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19actnybi

Photometry

Discovery (first detection):
Discovery date: 2019-11-18 12:35:30
Flux: 18.4861 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-11-15 13:19:06
Limiting flux: 19.2419 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

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