Discovery certificate for object 2019ubu
TNS Astronomical Transient Report No. 51568 [ 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 2019ubu
Discoverer internal name: ZTF19acnfzpc
Coordinates (J2000): RA = 22:26:44.716 (336.6863158) DEC = +17:19:23.18 (17.3231068)
Discovery date: 2019-11-03 04:28:48 (JD=2458790.6866667)

Potential host galaxy: WISEA J222644.68+171920.8
Host redshift: 0.084261

Remarks: Early SN candidate (r-rise > 0.27+-0.06 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19acnfzpc

Photometry

Discovery (first detection):
Discovery date: 2019-11-03 04:28:48
Flux: 19.3392 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-11-01 05:27:06
Limiting flux: 19.8776 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/2019ubu