Discovery certificate for object 2020lbw
TNS Astronomical Transient Report No. 71989 [ 2020TNSTR1569....1S ]

Date Received (UTC): 2020-05-26 02:14:19
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

R. Shirley, I. Perez-Fournon, C. Jimenez Angel, F. Poidevin, (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 2020lbw
Discoverer internal name: ZTF20abatzmx
Coordinates (J2000): RA = 10:37:17.971 (159.324879) DEC = +62:49:57.76 (62.832711)
Discovery date: 2020-05-17 04:49:26.000 (JD=2458986.7009954)

Potential host galaxy: SDSS J103717.08+624957.9
Host redshift: 0.0904054

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 04:49:26.000
Flux: 20.798 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-05-11 06:11:37
Limiting flux: 20.56 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: