Discovery certificate for object 2018bcm
TNS Astronomical Transient Report No. 18078 [ 2018TNSTR.561....1D ]

Date Received (UTC): 2018-04-29 15:32:25
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 2018bcm
Discoverer internal name: Gaia18bav
Coordinates (J2000): RA = 17:21:55.060 (260.479417) DEC = +29:18:33.59 (29.309331)
Discovery date: 2018-04-25 18:28:48 (JD=2458234.27)


Remarks: blue transient, 11 arcsecs from galaxy SDSS J172155.47+291843.1

Photometry

Discovery (first detection):
Discovery date: 2018-04-25 18:28:48
Flux: 18.6 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-03-18 01:23:31
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/2018bcm