Discovery certificate for object 2017jad
TNS Astronomical Transient Report No. 15419 [ 2017TNSTR1441....1D ]

Date Received (UTC): 2017-12-19 13:48:56
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 2017jad
Discoverer internal name: Gaia17dhv
Coordinates (J2000): RA = 01:55:39.840 (28.916) DEC = +48:59:55.46 (48.998739)
Discovery date: 2017-12-16 07:06:14 (JD=2458103.7959954)


Remarks: candidate CV, Gaia source brightens by 4 mags and becomes very blue, coincident with ASASSN-15sr

Photometry

Discovery (first detection):
Discovery date: 2017-12-16 07:06:14
Flux: 15.84 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-03-17 12:30:14
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/2017jad