Discovery certificate for object 2018sd
TNS Astronomical Transient Report No. 16870 [ 2018TNSTR.199....1D ]

Date Received (UTC): 2018-02-12 11:30:34
Sender: Gaia (Gaia_Bot1)
Reporting Group: GaiaAlerts     Discovery Data Source: 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 2018sd
Discoverer internal name: Gaia18ajh
Coordinates (J2000): RA = 15:25:25.440 (231.356) DEC = -50:26:35.70 (-50.44325)
Discovery date: 2018-02-04 22:49:26 (JD=2458154.4509954)


Remarks: Galactic plane transient

Photometry

Discovery (first detection):
Discovery date: 2018-02-04 22:49:26
Flux: 18.97 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-09-15 15:01:26
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/2018sd