Discovery certificate for object 2018hdr
TNS Astronomical Transient Report No. 23386 [ 2018TNSTR1529....1D ]

Date Received (UTC): 2018-10-08 16:08:46
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 2018hdr
Discoverer internal name: Gaia18cxb
Coordinates (J2000): RA = 00:18:23.600 (4.598333) DEC = -48:21:43.52 (-48.362089)
Discovery date: 2018-10-05 19:32:09 (JD=2458397.3139931)


Remarks: candidate SN near galaxy LEDA 488179

Photometry

Discovery (first detection):
Discovery date: 2018-10-05 19:32:09
Flux: 18.56 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-08-08 01:42:14
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/2018hdr