[vsnet-alert 24579] Karachurin 3 outburst (since Aug. 14)

[Patrick Schmeer pasc1312-aavso@yahoo.de via vsnet-alert]

 Karachurin 3 (UGSS:)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=477459

Recent ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S
and Kochanek et al. 2017PASP..129j4502K) light curve and data:
https://asas-sn.osu.edu/light_curves/10a4e7d1-e792-4834-afcb-f99ca48af06b

The current outburst was first detected on 2020 August 14,
and a possible outburst was recorded on May 17.

Clear skies,
Patrick
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     Am Montag, 1. April 2019, 13:57:14 MESZ hat Denis Denisenko d.v.denisenko at gmail.com via vsnet-alert <vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp> Folgendes geschrieben:  
 
 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