[vsnet-alert 25282] Gaia21ajd

[Taichi Kato]

Gaia21ajd

   Likely VY Scl star.

Gaia21ajd	AT2021axp	2021-01-19 11:12:38	155.95102	-57.89420	19.28	17.89	0.25	unknown	2021-01-21 11:04:49	blue Gaia source coincident with X-ray source CXO J102348.2-575339 fades by 1.5 mag

http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia21ajd/

102348.250 -575339.08 (2000.0) Gaia_DR2_5255675579465769472 plx=0.937(0.266) dismod=10.1 pmra=-10.458(0.351) pmdec=3.156(0.256) G=18.553 BP=18.578 RP=17.790
102348.249 -575339.08 (2000.0) Gaia_EDR3_5255675579465769472 plx=0.500(0.127) dismod=11.5 pmra=-10.777(0.136) pmdec=3.071(0.123) G=18.297 BP=18.414 RP=17.724

   A large proper motion excludes an extragalactic object.