Discovery certificate for object 2019syf
TNS Astronomical Transient Report No. 49787 [ 2019TNSTR2139....1N ]

Date Received (UTC): 2019-10-21 04:37:35
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 2019syf
Discoverer internal name: ZTF19acfecsg
Coordinates (J2000): RA = 20:43:08.664 (310.78610065) DEC = +05:38:57.80 (5.64938775)
Discovery date: 2019-10-17 04:25:58 (JD=2458773.6847106)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-10-17 04:25:58
Flux: 19.1 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-10-14 02:43:08
Limiting flux: 19.5769 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/2019syf