Discovery certificate for object 2018asj
TNS Astronomical Transient Report No. 17699 [ 2018TNSTR.471....1D ]

Date Received (UTC): 2018-04-10 08:56:40
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: SN 2018asj
Discoverer internal name: Gaia18awh
Coordinates (J2000): RA = 09:22:58.760 (140.744833) DEC = +09:04:10.70 (9.069639)
Discovery date: 2018-04-05 22:39:21 (JD=2458214.4439931)


Remarks: hostless blue transient, GS-TEC predicts SN Ia

Photometry

Discovery (first detection):
Discovery date: 2018-04-05 22:39:21
Flux: 18.8 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-11-25 15:57:36
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/2018asj