Discovery certificate for object 2018gra
TNS Astronomical Transient Report No. 22957 [ 2018TNSTR1413....1D ]

Date Received (UTC): 2018-09-19 11:41:19
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 2018gra
Discoverer internal name: Gaia18crt
Coordinates (J2000): RA = 10:43:59.450 (160.997708) DEC = -59:32:51.36 (-59.5476)
Discovery date: 2018-09-18 07:45:07 (JD=2458379.8229977)


Remarks: YSO dims by almost 1 mag

Photometry

Discovery (first detection):
Discovery date: 2018-09-18 07:45:07
Flux: 14.68 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-08-31 07:43:40
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/2018gra