Discovery certificate for object 2018atk
TNS Astronomical Transient Report No. 17737 [ 2018TNSTR.474....1D ]

Date Received (UTC): 2018-04-11 13:22:31
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 2018atk
Discoverer internal name: Gaia18axj
Coordinates (J2000): RA = 21:57:39.370 (329.414042) DEC = -18:11:34.62 (-18.19295)
Discovery date: 2018-04-09 07:39:21 (JD=2458217.8189931)


Remarks: candidate SN near galaxy LEDA 871418 GS-TEC predicts SN II

Photometry

Discovery (first detection):
Discovery date: 2018-04-09 07:39:21
Flux: 18.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-11-24 14:28:19
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/2018atk