Discovery certificate for object 2019tbl
TNS Astronomical Transient Report No. 49919 [ 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: AT 2019tbl
Discoverer internal name: ZTF19acgwgvh
Coordinates (J2000): RA = 03:03:43.054 (45.9293937) DEC = -14:20:58.81 (-14.3496695)
Discovery date: 2019-10-22 08:58:49 (JD=2458778.8741782)

Potential host galaxy: SDSS J030343.01-142100.5
Host redshift: 0.084

Remarks: Early SN candidate (r-rise > 0.06 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19acgwgvh

Photometry

Discovery (first detection):
Discovery date: 2019-10-22 08:58:49
Flux: 19.4026 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-10-14 12:10:10
Limiting flux: 18.3934 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/2019tbl