Discovery certificate for object 2019osw
TNS Astronomical Transient Report No. 45253 [ 2019TNSTR1641....1N ]

Date Received (UTC): 2019-08-27 06:52:16
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 2019osw
Discoverer internal name: ZTF19abrlznf
Coordinates (J2000): RA = 18:31:54.570 (277.977374) DEC = +23:41:06.78 (23.6852164)
Discovery date: 2019-08-24 07:37:52 (JD=2458719.8179745)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-08-24 07:37:52
Flux: 17.28 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-08-21 08:55:41
Limiting flux: 20.0181 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/2019osw