Discovery certificate for object 2019xct
TNS Astronomical Transient Report No. 55053 [ 2019TNSTR2642....1F ]

Date Received (UTC): 2019-12-19 16:00:58
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: SN 2019xct
Discoverer internal name: ZTF19aczmnqy
Coordinates (J2000): RA = 00:38:50.129 (9.7088693) DEC = -08:19:04.32 (-8.3178671)
Discovery date: 2019-12-19 03:01:22.000 (JD=2458836.6259491)

Potential host galaxy: SDSS J003849.83-081859.1
Host redshift: 0.029

Remarks: Early SN candidate (g-rise > 0.06+-0.00 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19aczmnqy

Photometry

Discovery (first detection):
Discovery date: 2019-12-19 03:01:22.000
Flux: 18.7863 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-12-16 02:01:42
Limiting flux: 19.929 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/2019xct