Discovery certificate for object 2019ctn
TNS Astronomical Transient Report No. 31957 [ 2019TNSTR.502....1N ]

Date Received (UTC): 2019-04-04 07:43:49
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 2019ctn
Discoverer internal name: ZTF18aakalba
Coordinates (J2000): RA = 09:27:18.509 (141.8271228) DEC = +23:01:12.18 (23.020051)
Discovery date: 2019-03-25 04:58:42 (JD=2458567.7074421)


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

Photometry

Discovery (first detection):
Discovery date: 2019-03-25 04:58:42
Flux: 18.2 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-03-16 04:25:15
Limiting flux: 19.6341 ABMag
Filter: r-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/2019ctn