Discovery certificate for object 2019nln
TNS Astronomical Transient Report No. 43946 [ 2019TNSTR1490....1F ]

Date Received (UTC): 2019-08-14 13:38:44
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 2019nln
Discoverer internal name: ZTF19abprcwo
Coordinates (J2000): RA = 21:55:37.116 (328.9046515) DEC = +05:23:30.53 (5.3918139)
Discovery date: 2019-08-14 10:34:59 (JD=2458709.9409606)

Potential host galaxy: SDSS J215537.10+052330.7
Host redshift: 0.198

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/vue/object/ZTF19abprcwo

Photometry

Discovery (first detection):
Discovery date: 2019-08-14 10:34:59
Flux: 19.0099 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-08-11 10:25:35
Limiting flux: 20.6607 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/2019nln