Discovery certificate for object 2018ctd
TNS Astronomical Transient Report No. 19633 [ 2018TNSTR.863....1D ]

Date Received (UTC): 2018-06-21 23:05:37
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 2018ctd
Discoverer internal name: Gaia18bpa
Coordinates (J2000): RA = 02:57:26.580 (44.36075) DEC = +05:59:55.43 (5.998731)
Discovery date: 2018-06-19 20:45:36 (JD=2458289.365)


Remarks: hostless candidate SN in Galaxy cluster, GS-TEC predicts SN II

Photometry

Discovery (first detection):
Discovery date: 2018-06-19 20:45:36
Flux: 18.01 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-03-15 18:51:50
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/2018ctd