Discovery certificate for object 2017hmj
TNS Astronomical Transient Report No. 14213 [ 2017TNSTR1145....1D ]

Date Received (UTC): 2017-10-20 10:56:04
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 2017hmj
Discoverer internal name: Gaia17cqr
Coordinates (J2000): RA = 22:32:35.530 (338.148042) DEC = +30:41:05.39 (30.684831)
Discovery date: 2017-10-18 14:05:16 (JD=2458045.0869907)


Remarks: bright blue transient 1.2 arcsec from Cataclysmic Binary Candidate CRTS CSS081107 J223235+304105

Photometry

Discovery (first detection):
Discovery date: 2017-10-18 14:05:16
Flux: 16.52 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-07-11 00:50:24
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/2017hmj