Discovery certificate for object 2017hcw
TNS Astronomical Transient Report No. 13942 [ 2017TNSTR1076....1D ]

Date Received (UTC): 2017-10-06 15:38:24
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 2017hcw
Discoverer internal name: Gaia17cnh
Coordinates (J2000): RA = 19:25:58.880 (291.495333) DEC = +08:27:22.64 (8.456289)
Discovery date: 2017-10-04 07:49:26.000 (JD=2458030.8259954)


Remarks: hostless, blue transient

Photometry

Discovery (first detection):
Discovery date: 2017-10-04 07:49:26.000
Flux: 18.56 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-05-08 13:45:07
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/2017hcw