Discovery certificate for object 2019aaat
TNS Astronomical Transient Report No. 59967 [ 2020TNSTR.273....1M ]

Date Received (UTC): 2020-01-26 00:51:31
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

R. Marques-Chaves (CAB), I. Perez-Fournon, F. Poidevin, C. Jimenez Angel, R. Shirley (IAC & ULL), 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 2019aaat
Discoverer internal name: ZTF19abvelhj
Coordinates (J2000): RA = 00:06:04.429 (1.518454) DEC = +29:21:10.75 (29.352986)
Discovery date: 2019-08-29 10:09:34.000 (JD=2458724.9233102)

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


Discovery (first detection):
Discovery date: 2019-08-29 10:09:34.000
Flux: 20.88 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-08-29 09:37:59
Limiting flux: 20.237 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: