Discovery certificate for object 2019tbq
TNS Astronomical Transient Report No. 49926 [ 2019TNSTR2154....1F ]

Date Received (UTC): 2019-10-23 09:20:55
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, 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: SN 2019tbq
Discoverer internal name: ZTF19acgzzea
Coordinates (J2000): RA = 05:11:47.381 (77.9474218) DEC = +52:32:20.19 (52.5389411)
Discovery date: 2019-10-22 12:08:31 (JD=2458779.0059144)

Potential host galaxy: WISEA J051147.21+523214.4

Remarks: Early SN candidate (g-rise > 0.20 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19acgzzea

Photometry

Discovery (first detection):
Discovery date: 2019-10-22 12:08:31
Flux: 19.2865 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-10-19 10:22:33
Limiting flux: 20.0157 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/2019tbq