Discovery certificate for object 2017hel
TNS Astronomical Transient Report No. 13985 [ 2017TNSTR1087....1D ]

Date Received (UTC): 2017-10-09 15:34:39
Sender: Gaia (Gaia_Bot1)
Reporting Group: GaiaAlerts     Discovery Data Source: 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 2017hel
Discoverer internal name: Gaia17cnq
Coordinates (J2000): RA = 19:36:56.400 (294.235) DEC = +12:59:22.99 (12.989719)
Discovery date: 2017-10-05 13:52:19.000 (JD=2458032.0779977)


Remarks: faint Gaia source in Galactic plane on DSS smudge brightens by 0.5 mag

Photometry

Discovery (first detection):
Discovery date: 2017-10-05 13:52:19.000
Flux: 19.33 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-05-08 19:39:21
Limiting flux: 21.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft


Details of the new object can be viewed here: https://www.wis-tns.org/object/2017hel