Discovery certificate for object 2020loy
TNS Astronomical Transient Report No. 72675 [ 2020TNSTR1657....1F ]

Date Received (UTC): 2020-06-02 23:26:16
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 2020loy
Discoverer internal name: ZTF20abduqhd
Coordinates (J2000): RA = 22:09:05.947 (332.27477725) DEC = +16:17:18.58 (16.28849385)
Discovery date: 2020-06-02 10:37:29.997 (JD=2459002.9427083)

Potential host galaxy: SDSS J220905.93+161718.6
Host redshift: 0.124

Remarks: Early SN candidate (r-rise > 0.12+-0.03 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20abduqhd

Photometry

Discovery (first detection):
Discovery date: 2020-06-02 10:37:29.997
Flux: 20.115 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-05-30 10:55:12
Limiting flux: 19.9877 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/2020loy