[vsnet-alert 23330] CRTS J143842.3-381512 likely superoutburst (since June 22)

Tue Jun 25 16:22:00 JST 2019

CRTS J143842.3-381512  (UGSU:)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=241555

Gaia detection (reported as Gaia19cpj):
http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia19cpj/

CRTSJ143842.3-381512 20190623.517 14.68G Gaia
CRTSJ143842.3-381512 20190623.693 14.82G Gaia

Complete ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S
and Kochanek et al. 2017PASP..129j4502K) data and light curve:
https://asas-sn.osu.edu/light_curves/99dd095e-0995-4c5a-9a53-ef88ab6dadb0

The occurrence of long and very short outbursts indicates
that this is probably an SU UMa-type dwarf nova.

Time-resolved photometry is urgently required.

Clear skies,
Patrick