Discovery certificate for object 2020ayy
TNS Astronomical Transient Report No. 60040 [ 2020TNSTR.263....1F ]

Date Received (UTC): 2020-01-26 16:01:08
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 2020ayy
Discoverer internal name: ZTF20aaitlca
Coordinates (J2000): RA = 10:32:54.004 (158.2250163) DEC = +50:31:05.18 (50.5181048)
Discovery date: 2020-01-26 09:18:41.000 (JD=2458874.8879745)

Potential host galaxy: WISEA J103253.82+503105.4
Host redshift: 0.158674

Remarks: Early SN candidate (g-rise > 0.37+-0.20 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aaitlca

Photometry

Discovery (first detection):
Discovery date: 2020-01-26 09:18:41.000
Flux: 20.4001 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-01-26 09:17:23
Limiting flux: 20.468 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://wis-tns.weizmann.ac.il/object/2020ayy