Discovery certificate for object 2019xch
TNS Astronomical Transient Report No. 55041 [ 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: AT 2019xch
Discoverer internal name: ZTF19aczkhah
Coordinates (J2000): RA = 07:53:07.278 (118.280326733333) DEC = +71:23:19.22 (71.3886717666667)
Discovery date: 2019-12-19 10:00:43.000 (JD=2458836.9171644)

Potential host galaxy: WISEA J075307.19+712318.6

Remarks: SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19aczkhah

Photometry

Discovery (first detection):
Discovery date: 2019-12-19 10:00:43.000
Flux: 19.6631 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 12:17:00
Limiting flux: 19.1095 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/2019xch