Discovery certificate for object 2019nxb
TNS Astronomical Transient Report No. 44305 [ 2019TNSTR1533....1F ]

Date Received (UTC): 2019-08-19 19:24:36
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 2019nxb
Discoverer internal name: ZTF19abqhnaw
Coordinates (J2000): RA = 18:23:15.226 (275.8134421) DEC = +52:40:45.88 (52.6794112)
Discovery date: 2019-08-19 04:20:29 (JD=2458714.6808912)

Potential host galaxy: 2MASS J18241952+5242458

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/vue/object/ZTF19abqhnaw

Photometry

Discovery (first detection):
Discovery date: 2019-08-19 04:20:29
Flux: 20.4152 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-08-18 05:09:00
Limiting flux: 18.9354 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/2019nxb