Discovery certificate for object 2020yhi
TNS Astronomical Transient Report No. 87569 [ 2020TNSTR3277....1F ]

Date Received (UTC): 2020-10-28 20:36:53
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, A. Munoz-Arancibia, L. Hernandez-Garcia, G. Pignata, L. Galbany, G. Pignata, E. Camacho, J. Silva-Farfan, A. Mourao, 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, 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 2020yhi
Discoverer internal name: ZTF20acmwfal
Coordinates (J2000): RA = 08:29:15.180 (127.3132497) DEC = +50:46:21.84 (50.7727344)
Discovery date: 2020-10-27 12:13:30.000 (JD=2459150.009375)

Potential host galaxy: WISEA J082915.01+504618.3
Host redshift: 0.116328

Remarks: Early SN candidate (g-rise > 0.28+-0.04 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20acmwfal

Photometry

Discovery (first detection):
Discovery date: 2020-10-27 12:13:30.000
Flux: 19.6865 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-10-23 12:16:15
Limiting flux: 20.6887 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://www.wis-tns.org/object/2020yhi