[vsnet-campaign-dn 15783] HL Cen: likely SU UMa star currently in outburst

[Taichi Kato]

HL Cen: likely SU UMa star currently in outburst

Gaia detection.

http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia21cxa/
Gaia21cxa	AT2021qij	2021-06-16 04:20:12	207.90116	-51.41961	15.81	18.35	0.71	unknown	2021-06-18 19:40:18	2.6 mag blue outburst in Gaia source, previous event seen

ASAS-SN data:
https://asas-sn.osu.edu/sky-patrol/coordinate/4370199f-ff4d-4ee1-9df0-82eaa66fd494

   The 2018 July outburst was precursor + superoutburst.
The current outburst is a super and now fading (at 16 mag).
The amplitude is too small and the Gaia star may be
an unresolved companion.

135136.269 -512510.49 (2000.0) Gaia_DR2_6090350384071751040 plx=-(-) dismod=- pmra=-(-) pmdec=-(-) G=18.393 BP=18.789 RP=17.611
135136.268 -512510.50 (2000.0) Gaia_EDR3_6090350384071751040 plx=-0.735(0.768) dismod=- pmra=-11.136(0.642) pmdec=-0.717(0.771) G=18.488 BP=18.836 RP=17.642
135136.189 -512509.99 (2000.0) GALEX_DR5_6387346910936565924 NUV=21.097(0.351) FUV=-(-)