Discovery certificate for object 2017hal
TNS Astronomical Transient Report No. 13873 [ 2017TNSTR1058....1D ]

Date Received (UTC): 2017-10-02 14:49:13
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 2017hal
Discoverer internal name: Gaia17clv
Coordinates (J2000): RA = 11:13:56.490 (168.485375) DEC = +41:44:51.47 (41.747631)
Discovery date: 2017-09-29 11:12:28 (JD=2458025.9669907)


Remarks: candidate SN near galaxy SDSS J111356.37+414454.4

Photometry

Discovery (first detection):
Discovery date: 2017-09-29 11:12:28
Flux: 18.94 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-07-19 05:00:57
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/2017hal