Discovery certificate for object 2020bhb
TNS Astronomical Transient Report No. 60436 [ 2020TNSTR.311....1A ]

Date Received (UTC): 2020-01-29 00:24:57
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 2020bhb
Discoverer internal name: ZTF20aagsren
Coordinates (J2000): RA = 07:34:02.890 (113.512042) DEC = +46:17:34.04 (46.292789)
Discovery date: 2020-01-16 03:56:24.000 (JD=2458864.6641667)

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


Discovery (first detection):
Discovery date: 2020-01-16 03:56:24.000
Flux: 20.592 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-01-15 05:22:00
Limiting flux: 19.041 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: