Discovery certificate for object 2019qnn
TNS Astronomical Transient Report No. 47363 [ 2019TNSTR1873....1F ]

Date Received (UTC): 2019-09-21 15:44:15
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 2019qnn
Discoverer internal name: ZTF19abzyuaz
Coordinates (J2000): RA = 02:40:34.056 (40.1419017) DEC = -08:31:02.90 (-8.51747095)
Discovery date: 2019-09-21 10:31:46 (JD=2458747.9387269)

Potential host galaxy: SDSS J024034.22-083105.7
Host redshift: 0.166

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19abzyuaz

Photometry

Discovery (first detection):
Discovery date: 2019-09-21 10:31:46
Flux: 19.8046 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-09-18 11:35:36
Limiting flux: 18.9237 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/2019qnn