Discovery certificate for object 2019stm
TNS Astronomical Transient Report No. 49620 [ 2019TNSTR2124....1N ]

Date Received (UTC): 2019-10-19 03:37:41
Sender: ZTF (ZTF_AMPEL_NEW)
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 2019stm
Discoverer internal name: ZTF19acfsteg
Coordinates (J2000): RA = 00:40:05.039 (10.0209938) DEC = +39:53:57.23 (39.89922945)
Discovery date: 2019-10-18 03:50:36.000 (JD=2458774.6601389)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-10-18 03:50:36.000
Flux: 19.86 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-10-18 03:10:09
Limiting flux: 19.7554 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/2019stm