Discovery certificate for object 2019roy
TNS Astronomical Transient Report No. 48349 [ 2019TNSTR1953....1F ]

Date Received (UTC): 2019-10-01 12:50:26
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 2019roy
Discoverer internal name: ZTF19acbtlgi
Coordinates (J2000): RA = 01:11:05.051 (17.7710443) DEC = +44:35:52.27 (44.5978531)
Discovery date: 2019-10-01 07:59:47 (JD=2458757.8331829)

Potential host galaxy: SDSS J011104.89+443552.7
Host redshift: 0.105

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19acbtlgi

Photometry

Discovery (first detection):
Discovery date: 2019-10-01 07:59:47
Flux: 20.008 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-09-24 08:57:11
Limiting flux: 20.458 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/2019roy