Discovery certificate for object 2019nll
TNS Astronomical Transient Report No. 43944 [ 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 2019nll
Discoverer internal name: ZTF19ablzhwr
Coordinates (J2000): RA = 01:57:55.242 (29.4801764) DEC = +30:06:26.82 (30.1074497)
Discovery date: 2019-08-14 09:52:21 (JD=2458709.9113542)

Potential host galaxy: SDSS J015755.18+300628.0
Host redshift: 0.076

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/vue/object/ZTF19ablzhwr

Photometry

Discovery (first detection):
Discovery date: 2019-08-14 09:52:21
Flux: 19.8901 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-08-11 11:17:59
Limiting flux: 20.898 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/2019nll