Discovery certificate for object 2017gbl
TNS Astronomical Transient Report No. 13075 [ 2017TNSTR.875....1K ]

Date Received (UTC): 2017-08-16 06:34:49
Sender: Erik Kool
Source Group: SUNBIRD

Erik Kool report/s the discovery of a new astronomical transient.

IAU Designation: AT 2017gbl
Coordinates (J2000): RA = 23:46:05.530 (356.523042) DEC = +53:14:01.06 (53.233628)
Discovery date: 2017-07-08 13:03:51 (JD=2457943.0443403)

Potential host galaxy: IRAS 23436+5257
Host redshift: 0.034134


Photometry

Discovery (first detection):
Discovery date: 2017-07-08 13:03:51
Flux: 13.3 VegaMag
Filter: K-Bessel
Instrument: Other
Telescope: Other

Remarks: Instrument: NIRC2 on Keck

Last non-detection:
Last non-detection date: 2016-10-21 09:43:53
Limiting flux: 16 VegaMag
Filter: K-Bessel
Instrument: Other
Telescope: Other

Remarks: Instrument: NIRC2 on Keck. Nuclear transient, limiting magnitude estimated at this time.

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2017gbl