Discovery certificate for object 2020asa
TNS Astronomical Transient Report No. 59747 [ 2020TNSTR.243....1F ]

Date Received (UTC): 2020-01-24 21:06:40
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: SN 2020asa
Discoverer internal name: ZTF20aahpxzz
Coordinates (J2000): RA = 14:23:32.014 (215.88339025) DEC = +17:26:58.47 (17.449574)
Discovery date: 2020-01-24 10:28:37.000 (JD=2458872.9365394)

Potential host galaxy: WISEA J142332.06+172657.9
Host redshift: 0.052822

Remarks: Early SN candidate (g-rise > 0.11+-0.01 mag/day, r-rise > 0.10+-0.01 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aahpxzz

Photometry

Discovery (first detection):
Discovery date: 2020-01-24 10:28:37.000
Flux: 18.4807 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-01-15 10:31:02
Limiting flux: 19.2158 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/2020asa