[vsnet-alert 24790] Gaia20etr: possible RCB star dimming recently?

[FIDRICH Róbert fidusz@gmail.com via vsnet-alert]

Gaia20etr  (AT2020vwn)

red Galactic plane source dims by >1.5 mag

18:45:02.99   -07:20:44.16

http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia20etr/

Is it so red/reddened that not visible (<15.0V or <15.6g) on ASAS-SN 
light curve?

https://asas-sn.osu.edu/light_curves/896b1cd2-daff-472c-ad4a-1aee6cff59cc

I think this star is identical with GDS_J1845033-072044

https://www.aavso.org/vsx/index.php?view=detail.top&oid=468558

Very bright in infrared (J-K=1.88)

https://wis-tns.weizmann.ac.il/object/2020vwn

Might be an RCB star?

Clear skies,

Robert Fidrich
HAA/VSS