Discovery certificate for object 2019wko
TNS Astronomical Transient Report No. 54333 [ 2019TNSTR2574....1F ]

Date Received (UTC): 2019-12-11 18:56:00
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, G. Pignata, 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 2019wko
Discoverer internal name: ZTF19acxqznb
Coordinates (J2000): RA = 00:03:45.231 (0.938463) DEC = +04:44:33.97 (4.7427689)
Discovery date: 2019-12-11 02:12:43.000 (JD=2458828.5921644)

Potential host galaxy: SDSS J000345.35+044434.5
Host redshift: 0.036

Remarks: Early SN candidate (g-rise > 0.08+-0.01 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19acxqznb

Photometry

Discovery (first detection):
Discovery date: 2019-12-11 02:12:43.000
Flux: 18.7559 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-12-03 04:06:46
Limiting flux: 18.8657 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/2019wko