Discovery certificate for object 2020bvk
TNS Astronomical Transient Report No. 61081 [ 2020TNSTR.380....1B ]

Date Received (UTC): 2020-02-04 21:25:43
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F.E. Bauer, G. Pignata, F. Forster, 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 2020bvk
Discoverer internal name: ZTF18aawyskc
Coordinates (J2000): RA = 16:39:15.466 (249.81444095) DEC = +27:20:24.48 (27.34013415)
Discovery date: 2020-02-04 11:37:13.000 (JD=2458883.9841782)

Potential host galaxy: SDSS J163915.54+272024.6
Host redshift: 0.147

Remarks: Early SN candidate (g-rise > 0.11+-0.04 mag/day, r-rise > 0.12+-0.03 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF18aawyskc

Photometry

Discovery (first detection):
Discovery date: 2020-02-04 11:37:13.000
Flux: 19.9493 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-01-31 13:05:38
Limiting flux: 19.4858 ABMag
Filter: r-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/2020bvk