Discovery certificate for object 2020lom
TNS Astronomical Transient Report No. 72656 [ 2020TNSTR1662....1M ]

Date Received (UTC): 2020-06-02 13:50:05
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

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

IAU Designation: AT 2020lom
Discoverer internal name: ZTF20abchesn
Coordinates (J2000): RA = 21:42:56.205 (325.734188) DEC = +04:18:19.30 (4.305361)
Discovery date: 2020-05-27 10:48:17.000 (JD=2458996.9501968)

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


Discovery (first detection):
Discovery date: 2020-05-27 10:48:17.000
Flux: 20.259 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-05-18 11:03:26
Limiting flux: 20.462 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: