Discovery certificate for object 2019ddg
TNS Astronomical Transient Report No. 32655 [ 2019TNSTR1258....1N ]

Date Received (UTC): 2019-04-09 13:53:13
Sender: ZTF (ZTF_AMPEL_COMPLETE)
Reporting Group: ZTF     Discovery Data Source: ZTF

J. Nordin, V. Brinnel, M. Giomi, J. van Santen (HU Berlin), A. Gal-Yam, O. Yaron, S. Schulze (Weizmann) on behalf of ZTF report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019ddg
Discoverer internal name: ZTF19aanojhy
Coordinates (J2000): RA = 09:45:15.220 (146.3134152) DEC = -22:01:45.62 (-22.0293399)
Discovery date: 2019-03-31 05:33:46.000 (JD=2458573.731794)


Remarks: Significant noise in Gaia DR2 - variable star cannot be excluded.

Photometry

Discovery (first detection):
Discovery date: 2019-03-31 05:33:46.000
Flux: 14.15 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Archival info: Other
Remarks: ZTF non-detection limits not available

Details of the new object can be viewed here: https://www.wis-tns.org/object/2019ddg