Discovery certificate for object 2020ywb
TNS Astronomical Transient Report No. 88349 [ 2020TNSTR3343....1F ]

Date Received (UTC): 2020-11-04 18:37:52
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 2020ywb
Discoverer internal name: ZTF20acoxuvx
Coordinates (J2000): RA = 18:29:00.870 (277.2536252) DEC = +57:51:35.27 (57.8597984)
Discovery date: 2020-10-29 02:21:42.002 (JD=2459151.5984028)

Potential host galaxy: WISEA J182901.11+575140.4

Remarks: Early SN candidate (g-rise > 0.07+-0.02 mag/day, r-rise > 0.20+-0.04 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20acoxuvx

Photometry

Discovery (first detection):
Discovery date: 2020-10-29 02:21:42.002
Flux: 20.0888 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-10-27 04:14:24
Limiting flux: 18.9595 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/2020ywb