Discovery certificate for object 2019sdy
TNS Astronomical Transient Report No. 48915 [ 2019TNSTR2012....1F ]

Date Received (UTC): 2019-10-07 16:13:03
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 2019sdy
Discoverer internal name: ZTF19acdhyvt
Coordinates (J2000): RA = 01:55:56.384 (28.9849343) DEC = +32:54:24.52 (32.906812)
Discovery date: 2019-10-07 09:34:21 (JD=2458763.8988542)

Potential host galaxy: SDSS J015556.40+325422.4
Host redshift: 0.16

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19acdhyvt

Photometry

Discovery (first detection):
Discovery date: 2019-10-07 09:34:21
Flux: 20.498 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-10-03 09:44:47
Limiting flux: 20.8186 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/2019sdy