Discovery certificate for object 2020dbc
TNS Astronomical Transient Report No. 62412 [ 2020TNSTR.577....1F ]

Date Received (UTC): 2020-02-21 20:08:57
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, G. Pignata, F.E. Bauer, 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 2020dbc
Discoverer internal name: ZTF20aapqfhq
Coordinates (J2000): RA = 04:44:48.371 (71.2015462) DEC = -21:50:19.79 (-21.8388305666667)
Discovery date: 2020-02-21 03:06:51.000 (JD=2458900.6297569)

Potential host galaxy: WISEA J044448.16-215021.0

Remarks: Early SN candidate (g-rise > 0.19+-0.03 mag/day, r-rise > 0.13+-0.02 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aapqfhq

Photometry

Discovery (first detection):
Discovery date: 2020-02-21 03:06:51.000
Flux: 19.0596 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-02-16 03:30:25
Limiting flux: 19.9986 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/2020dbc