Discovery certificate for object 2017idm
TNS Astronomical Transient Report No. 14714 [ 2017TNSTR1261....1D ]

Date Received (UTC): 2017-11-15 00:58:27
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 2017idm
Discoverer internal name: Gaia17cwd
Coordinates (J2000): RA = 18:34:04.310 (278.517958) DEC = -43:51:39.60 (-43.861)
Discovery date: 2017-11-11 06:34:33 (JD=2458068.7739931)


Remarks: 3mag jump in Gaia source, becoming very blue, candidate CV

Photometry

Discovery (first detection):
Discovery date: 2017-11-11 06:34:33
Flux: 16.95 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-04-25 14:32:38
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/2017idm