Discovery certificate for object 2020ydg
TNS Astronomical Transient Report No. 87370 [ 2020TNSTR3233....1F ]

Date Received (UTC): 2020-10-24 17:38:53
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, A. Munoz-Arancibia, F.E. Bauer, 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 2020ydg
Discoverer internal name: ZTF20aclwvrl
Coordinates (J2000): RA = 23:14:06.151 (348.525628) DEC = +26:52:09.77 (26.8693809)
Discovery date: 2020-10-24 04:32:54.001 (JD=2459146.6895139)

Potential host galaxy: SDSS J231406.05+265209.8
Host redshift: 0.157

Remarks: Early SN candidate (r-rise > 0.16+-0.03 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aclwvrl

Photometry

Discovery (first detection):
Discovery date: 2020-10-24 04:32:54.001
Flux: 19.7963 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-10-22 04:05:11
Limiting flux: 20.0004 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://www.wis-tns.org/object/2020ydg