Discovery certificate for object 2019sjw
TNS Astronomical Transient Report No. 49158 [ 2019TNSTR2051....1F ]

Date Received (UTC): 2019-10-10 14:21:23
Sender: ZTF (ALeRCE)
Source Group: ALeRCE

F. Forster on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019sjw
Discoverer internal name: ZTF18acxzmhw
Coordinates (J2000): RA = 08:54:22.902 (133.5954247) DEC = +47:05:53.45 (47.0981812)
Discovery date: 2019-10-10 11:13:25 (JD=2458766.9676505)

Potential host galaxy: 2MASS J08542294+4705536
Host redshift: 0.18355

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF18acxzmhw

Photometry

Discovery (first detection):
Discovery date: 2019-10-10 11:13:25
Flux: 20.4052 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-10-03 12:13:35
Limiting flux: 20.3033 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/2019sjw