Discovery certificate for object 2017ehm
TNS Astronomical Transient Report No. 11707 [ 2017TNSTR.591....1D ]

Date Received (UTC): 2017-05-25 22:22:55
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 2017ehm
Discoverer internal name: Gaia17bjg
Coordinates (J2000): RA = 00:42:49.090 (10.704542) DEC = +41:42:41.62 (41.711561)
Discovery date: 2017-05-23 12:47:31 (JD=2457897.0329977)


Remarks: Gaia source towards/in M31 brightens by 0.7 mag

Photometry

Discovery (first detection):
Discovery date: 2017-05-23 12:47:31
Flux: 19.33 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-02-26 00:28:48
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/2017ehm