Discovery certificate for object 2020aoa
TNS Astronomical Transient Report No. 59600 [ 2020TNSTR.225....1F ]

Date Received (UTC): 2020-01-23 18:24:46
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 2020aoa
Discoverer internal name: ZTF20aahbcdq
Coordinates (J2000): RA = 09:41:37.097 (145.40456995) DEC = +61:30:09.62 (61.50267255)
Discovery date: 2020-01-23 05:22:29.000 (JD=2458871.7239468)

Potential host galaxy: SDSS J094137.19+613009.7
Host redshift: 0.217

Remarks: Early SN candidate (r-rise > 0.09+-0.04 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aahbcdq

Photometry

Discovery (first detection):
Discovery date: 2020-01-23 05:22:29.000
Flux: 20.0419 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-01-19 08:25:25
Limiting flux: 20.4101 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/2020aoa