Discovery certificate for object 2019old
TNS Astronomical Transient Report No. 44932 [ 2019TNSTR1589....1F ]

Date Received (UTC): 2019-08-23 20:07:02
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 2019old
Discoverer internal name: ZTF19abrhjie
Coordinates (J2000): RA = 20:58:34.949 (314.6456212) DEC = -23:47:52.85 (-23.7980141)
Discovery date: 2019-08-23 07:46:29 (JD=2458718.8239468)

Potential host galaxy: 2MASS J21012786-2336239

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/vue/object/ZTF19abrhjie

Photometry

Discovery (first detection):
Discovery date: 2019-08-23 07:46:29
Flux: 19.3989 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-08-20 07:32:48
Limiting flux: 19.3738 ABMag
Filter: r-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/2019old