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Gaia18bmt: possible microlensing event (13.1 mag) in Centaurus

SPK
Affiliation
Association Francaise des Observateurs d'Etoiles Variables (AFOEV)
Wed, 06/13/2018 - 14:53

Gaia18bmt
https://www.aavso.org/vsx/index.php?view=detail.top&oid=621399

R.A. 14h16m03.56s, Decl. -56°54'48.2" (J2000.0)

>2 mag rise on a red star in the Galactic Plane, candidate microlensing event:
http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia18bmt/

Spectroscopy and multiband photometry are strongly recommended.

Clear skies,
Patrick

FRF
Affiliation
Magyar Csillagaszati Egyesulet, Valtozocsillag Szakcsoport (Hungary) (MCSE)
Thu, 06/14/2018 - 09:00
Still brightening: June 13.6378UT 12.5V

Gaia18bmt (aka AT 2018cmm ) 20180613.6378UT (JD 2458283.1378): 12.50V Robert Fidrich (HAA/VSS) - using a 0.413m iTelescope.org reflector at Siding Spring, Australia.

SPK
Affiliation
Association Francaise des Observateurs d'Etoiles Variables (AFOEV)
Fri, 06/15/2018 - 09:23
Peak of the event is expected to happen between 14 and 18 June

L. Wyrzykowski, M. Gromadzki, K. Kruszynska, K. A. Rybicki, P. Zielinski (Warsaw University Astronomical Observatory): "VLT spectroscopic observations of highly magnified Galactic Disk microlensing event Gaia18bmt" (ATel #11719)
http://www.astronomerstelegram.org/?read=11719