[vsnet-alert 23110] Karachurin 3 outburst

Denis Denisenko d.v.denisenko@gmail.com via vsnet-alert vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp
Mon Apr 1 20:56:43 JST 2019


This dwarf nova in Sagittarius appears to be in outburst in today's
ASAS-SN data.

Karachurin 3 = 1RXS J193955.6-385357
  20190328.3702  15.87g  ASAS-SN (Shappee et al., 2014; Kochanek et al., 2017)
  20190401.3526  14.81g  ASAS-SN
  20190401.3539  14.85g  ASAS-SN
  20190401.3551  14.83g  ASAS-SN

ASAS-SN light curve:
https://asas-sn.osu.edu/light_curves/cde3e36e-2865-46e5-95e2-b6ebf5ceb751

Gaia Plx=1.02+/-0.04 mas (distance 980+/-40 pc), Gmag=15.33,
BPmag=15.87, RPmag=14.59

High absolute magnitude (Gaia M=+5.4), red color (J-K=0.83) - likely
long-period system.

VSX entry: https://www.aavso.org/vsx/index.php?view=detail.top&oid=477459

Denis Denisenko



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