Discovery certificate for object 2020nsy
TNS Astronomical Transient Report No. 75464 [ 2020TNSTR1973....1F ]

Date Received (UTC): 2020-06-29 21:32:16
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, L. Galbany, G. Pignata, E. Camacho, J. Silva-Farfan, 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 2020nsy
Discoverer internal name: ZTF20abjaqsa
Coordinates (J2000): RA = 16:48:31.209 (252.130036) DEC = +15:50:58.62 (15.8496171)
Discovery date: 2020-06-29 06:02:29.999 (JD=2459029.7517361)

Potential host galaxy: SDSS J164831.45+155057.9
Host redshift: 0.06

Remarks: Early SN candidate (g-rise > 0.14+-0.03 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20abjaqsa

Photometry

Discovery (first detection):
Discovery date: 2020-06-29 06:02:29.999
Flux: 20.043 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-06-26 06:56:44
Limiting flux: 20.7088 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/2020nsy