Discovery certificate for object 2019zwu
TNS Astronomical Transient Report No. 58490 [ 2020TNSTR.104....1P ]

Date Received (UTC): 2020-01-11 01:58:21
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

F. Poidevin, I. Perez-Fournon, C. Jimenez Angel, R. Shirley (IAC & ULL), R. Marques-Chaves (CAB), S. Geier (GRANTECAN & IAC), Y. Shu (IoA), S. Rodney, J. Roberts-Pierel (Univ. of South Carolina), A. Bolton (NSF's OIR Lab), S. Chakrabarti, P. Craig, and B. Alamiri (RIT) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019zwu
Discoverer internal name: ZTF19aclhmkp
Coordinates (J2000): RA = 07:45:56.986 (116.487442) DEC = +09:21:31.59 (9.358775)
Discovery date: 2019-10-31 12:36:32.000 (JD=2458788.0253704)

Remarks: Data were provided by the Zwicky Transient Facility ( and processed through the Lasair (, ALeRCE (, ANTARES (, and MARS ( brokers.


Discovery (first detection):
Discovery date: 2019-10-31 12:36:32.000
Flux: 19.85 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-10-31 10:57:06
Limiting flux: 19.875 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: