Discovery certificate for object 2020tg
TNS Astronomical Transient Report No. 58561 [ 2020TNSTR..98....1F ]

Date Received (UTC): 2020-01-11 20:05:24
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 2020tg
Discoverer internal name: ZTF20aaetlar
Coordinates (J2000): RA = 01:33:44.336 (23.4347336) DEC = +27:52:04.81 (27.8680039)
Discovery date: 2020-01-11 05:20:11 (JD=2458859.7223495)

Potential host galaxy: SDSS J013344.35+275204.5
Host redshift: 0.104

Remarks: Early SN candidate (r-rise > 0.08+-0.02 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aaetlar

Photometry

Discovery (first detection):
Discovery date: 2020-01-11 05:20:11
Flux: 19.6401 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-01-11 04:00:14
Limiting flux: 19.8184 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/2020tg