Discovery certificate for object 2020bls
TNS Astronomical Transient Report No. 60667 [ 2020TNSTR.320....1P ]

Date Received (UTC): 2020-01-30 21:34:47
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

G. Pignata, F.E. Bauer, F. Forster, 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 2020bls
Discoverer internal name: ZTF20aaknyfo
Coordinates (J2000): RA = 12:40:44.575 (190.1857304) DEC = +60:20:24.97 (60.3402701)
Discovery date: 2020-01-30 11:54:37.000 (JD=2458878.9962616)

Potential host galaxy: SDSS J124044.98+602032.3
Host redshift: 0.12

Remarks: Early SN candidate (g-rise > 1.00 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aaknyfo

Photometry

Discovery (first detection):
Discovery date: 2020-01-30 11:54:37.000
Flux: 20.036 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-01-30 11:53:19
Limiting flux: 20.2807 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/2020bls