Discovery certificate for object 2020aaja
TNS Astronomical Transient Report No. 90077 [ 2020TNSTR3489....1M ]

Date Received (UTC): 2020-11-18 20:40:34
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

A. Munoz-Arancibia, F. Forster, 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 2020aaja
Discoverer internal name: ZTF20acqnozc
Coordinates (J2000): RA = 06:42:39.512 (100.664632925) DEC = +26:54:54.57 (26.915159)
Discovery date: 2020-11-14 12:10:03.003 (JD=2459168.0069792)

Potential host galaxy: SDSS J064239.32+265454.5
Host redshift: 0.07

Remarks: Early SN candidate (g-rise > 0.48+-0.07 mag/day, r-rise > 0.25+-0.07 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20acqnozc

Photometry

Discovery (first detection):
Discovery date: 2020-11-14 12:10:03.003
Flux: 19.7428 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-11-14 11:25:56
Limiting flux: 20.2365 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/2020aaja