Discovery certificate for object 2019bul
TNS Astronomical Transient Report No. 30796 [ 2019TNSTR1254....1N ]

Date Received (UTC): 2019-03-15 19:42:35
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 2019bul
Discoverer internal name: ZTF19aalzvxf
Coordinates (J2000): RA = 16:35:23.459 (248.8477463) DEC = +20:56:48.18 (20.946716)
Discovery date: 2019-03-05 12:32:47 (JD=2458548.0227662)


Remarks: Known SDSS and/or MILLIQUAS QSO/AGN.

Photometry

Discovery (first detection):
Discovery date: 2019-03-05 12:32:47
Flux: 19.36 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-03-05 09:36:39
Limiting flux: 20.3844 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/2019bul