Discovery certificate for object 2019tiu
TNS Astronomical Transient Report No. 50799 [ 2019TNSTR2175....1F ]

Date Received (UTC): 2019-10-25 16:33:31
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, 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, G. Pignata, 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 2019tiu
Discoverer internal name: ZTF19achzpvw
Coordinates (J2000): RA = 02:52:07.957 (43.0331558) DEC = +41:34:46.58 (41.5796048)
Discovery date: 2019-10-25 07:39:05 (JD=2458781.8188079)

Potential host galaxy: WISEA J025207.91+413447.3
Host redshift: 0.015254

Remarks: Early SN candidate (r-rise > 0.86 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19achzpvw

Photometry

Discovery (first detection):
Discovery date: 2019-10-25 07:39:05
Flux: 17.3466 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-10-22 07:53:02
Limiting flux: 20.0163 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/2019tiu