Discovery certificate for object 2020abj
TNS Astronomical Transient Report No. 58945 [ 2020TNSTR.153....1F ]

Date Received (UTC): 2020-01-16 20:06:03
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 2020abj
Discoverer internal name: ZTF20aagfgbp
Coordinates (J2000): RA = 11:42:45.528 (175.6897005) DEC = +17:47:31.93 (17.7922035)
Discovery date: 2020-01-16 10:29:08 (JD=2458864.9368981)

Potential host galaxy: WISEA J114245.38+174730.0
Host redshift: 0.140843

Remarks: Early SN candidate (g-rise > 0.12+-0.02 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aagfgbp

Photometry

Discovery (first detection):
Discovery date: 2020-01-16 10:29:08
Flux: 19.6275 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-01-13 12:35:45
Limiting flux: 19.2258 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/2020abj