Discovery certificate for object 2019ons
TNS Astronomical Transient Report No. 45044 [ 2019TNSTR1620....1N ]

Date Received (UTC): 2019-08-25 09:51:51
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: SN 2019ons
Discoverer internal name: ZTF19abrsssx
Coordinates (J2000): RA = 21:54:05.051 (328.52104525) DEC = -16:09:34.28 (-16.15952125)
Discovery date: 2019-08-25 08:54:10.000 (JD=2458720.8709606)

Remarks: See arXiv:1904.05922 for selection criteria.


Discovery (first detection):
Discovery date: 2019-08-25 08:54:10.000
Flux: 18.86 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-08-22 09:03:44
Limiting flux: 19.6585 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: