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V2331 Cygni is an Algol Variable With Deep Eclipses

Volume 41 number 2 (2013)

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Hans Bengtsson
Sagogången 55, SE-422 45 Hisings Backa, Sweden; hkibengtsson@gmail.com
Pierre Hallsten
Älgvägen 13, SE-137 32 Västerhaninge, Sweden; Pierre.Hallsten@yahoo.com
Anders Hemlin
Karlavägen 11, SE-802 66 Gävle, Sweden; anders@hemlin.se
Gustav Holmberg
Karl XI-gatan 8A, SE-222 20 Lund, Sweden; 5063.Gustav.Holmberg@gmail.com
Thomas Karlsson
Almers väg 19, SE-432 51 Varberg, Sweden; tkn@seaside.se
Robert! Wahlström
Klintens väg 6, SE-441 41 Alingsås, Sweden; robert@alderaan.nu
Tomas Wikander
Bogservägen 8, SE-784 77 Borlänge, Sweden wikander.tomas@gmail.com

Abstract

We report the discovery that V2331 Cygni is not an L star but an eclipsing variable with deep minima, and present a determination of the elements of the star: Epoch = HJD 2456184.296 ± 0.001 and Period = 1.3886 ± 0.0001 days.