Discovery certificate for object 2020ldn
TNS Astronomical Transient Report No. 72085 [ 2020TNSTR1586....1N ]

Date Received (UTC): 2020-05-27 05:32:17
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 2020ldn
Discoverer internal name: ZTF19aacaaou
Coordinates (J2000): RA = 16:00:31.364 (240.13068396667) DEC = -20:27:06.26 (-20.451738633333)
Discovery date: 2020-05-18 05:57:03.744 (JD=2458987.747963)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2020-05-18 05:57:03.744
Flux: 17.44 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-05-03 09:00:56
Limiting flux: 19.9446 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/2020ldn