Discovery certificate for object 2019ubx
TNS Astronomical Transient Report No. 51571 [ 2019TNSTR2254....1F ]

Date Received (UTC): 2019-11-03 18:57:15
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, 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 2019ubx
Discoverer internal name: ZTF19acnjftp
Coordinates (J2000): RA = 02:50:18.540 (42.5772486) DEC = -25:45:48.95 (-25.7635975)
Discovery date: 2019-11-03 07:01:10 (JD=2458790.7924769)

Potential host galaxy: WISEA J025018.80-254550.3
Host redshift: 0.1096

Remarks: Early SN candidate (g-rise > 0.13+-0.04 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19acnjftp

Photometry

Discovery (first detection):
Discovery date: 2019-11-03 07:01:10
Flux: 19.2267 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-10-31 08:46:15
Limiting flux: 19.6216 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/2019ubx