Discovery certificate for object 2019ckm
TNS Astronomical Transient Report No. 31568 [ 2019TNSTR.454....1N ]

Date Received (UTC): 2019-03-27 08:10:22
Sender: ZTF (ZTF_AMPEL_COMPLETE)
Source Group: 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 2019ckm
Discoverer internal name: ZTF18aatobro
Coordinates (J2000): RA = 15:32:00.389 (233.0016229) DEC = +45:57:49.48 (45.9637458)
Discovery date: 2019-02-27 11:25:54 (JD=2458541.9763194)


Remarks: Known SDSS and/or MILLIQUAS QSO/AGN.

Photometry

Discovery (first detection):
Discovery date: 2019-02-27 11:25:54
Flux: 19.16 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-01-28 12:17:03
Limiting flux: 19.7036 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2019ckm