Discovery certificate for object 2018ldn
TNS Astronomical Transient Report No. 27617 [ 2018TNSTR2013....1N ]

Date Received (UTC): 2018-12-31 12:30:47
Sender: ZTF (ZTF_AMPEL_NEW)
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 2018ldn
Discoverer internal name: ZTF18aacbjdm
Coordinates (J2000): RA = 12:32:03.617 (188.0150723) DEC = +20:09:29.65 (20.1582362)
Discovery date: 2018-12-19 12:08:32 (JD=2458472.0059259)


Remarks: Known SDSS and/or MILLIQUAS QSO/AGN

Photometry

Discovery (first detection):
Discovery date: 2018-12-19 12:08:32
Flux: 18.31 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2018-06-14 04:38:03
Limiting flux: 20.61 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/2018ldn