Discovery certificate for object 2017hby
TNS Astronomical Transient Report No. 13916 [ 2017TNSTR1071....1D ]

Date Received (UTC): 2017-10-05 11:09:41
Sender: Gaia (Gaia_Bot1)
Source Group: GaiaAlerts

A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts team report/s the discovery of a new astronomical transient.

IAU Designation: AT 2017hby
Discoverer internal name: Gaia17cnb
Coordinates (J2000): RA = 08:05:48.300 (121.45125) DEC = +02:40:37.78 (2.677161)
Discovery date: 2017-10-04 00:15:50 (JD=2458030.5109954)


Remarks: >1.5 mag brightening on source SDSS J080548.29+024037.7 (on PanSTARRS source)

Photometry

Discovery (first detection):
Discovery date: 2017-10-04 00:15:50
Flux: 17.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2016-09-24 01:59:31
Limiting flux: 21.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft


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