Discovery certificate for object 2020ldg
TNS Astronomical Transient Report No. 72074 [ 2020TNSTR1584....1A ]

Date Received (UTC): 2020-05-27 00:24:50
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

C. Jimenez Angel, I. Perez-Fournon, F. Poidevin, 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 2020ldg
Discoverer internal name: ZTF20abadxeg
Coordinates (J2000): RA = 16:39:55.669 (249.981954) DEC = -04:53:46.41 (-4.896225)
Discovery date: 2020-05-17 07:01:39.000 (JD=2458986.7928125)

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


Discovery (first detection):
Discovery date: 2020-05-17 07:01:39.000
Flux: 20.174 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-05-10 06:38:56
Limiting flux: 17.347 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: