Discovery certificate for object 2019zaj
TNS Astronomical Transient Report No. 56824 [ 2019TNSTR2725....1F ]

Date Received (UTC): 2019-12-29 16:21:31
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: AT 2019zaj
Discoverer internal name: ZTF19adcerlj
Coordinates (J2000): RA = 09:22:41.723 (140.6738442) DEC = +73:22:27.00 (73.3741665)
Discovery date: 2019-12-29 11:43:31.000 (JD=2458846.9885532)

Potential host galaxy: WISEA J092242.43+732228.1

Remarks: SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19adcerlj

Photometry

Discovery (first detection):
Discovery date: 2019-12-29 11:43:31.000
Flux: 20.2939 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-12-29 06:55:57
Limiting flux: 20.1624 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/2019zaj