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Variable Stars Common Observation
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Free Bulletin on Variable Stars

ISSN 2309-5539 (online)
Published by The VS-COMPAS Project © 2011-2014
Hrodna, 230005, Belarus

Variable Stars Observer Bulletin is all about variable stars science. It's made by amateurs and for amateurs. Here simplified contemporary data about different aspects of variable stars research is published.

July-August 2014 (#7) - Contents

RW Persei and the disk hypothesis by Ivan Adamin

V907 Scorpii: Triple star with eclipses switching on and off by Ivan Adamin

RS Ophiuchi: a history of the recurrent novae observations by Ivan Adamin

The Oosterhoff effect by Ivan Adamin

Non-pulsating Cepheid Variables and RU Cam classification by Ivan Adamin

QX Cas - Eclipsing Binaries that Don't Eclipse Anymore by Ivan Adamin

ε Cra and ψ Ori: two bright close binary systems by Ivan Adamin

V784 Ophiuchi: RR Lyrae star with multiple Blazhko modulations by Ivan Adamin

Period Variations of RT Persei by Ivan Adamin

Selected Issue (#5)

Issue #5
March-April 2014

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In this issue:
KOI-3278: A self-lensing binary star system by Ivan Adamin

BL Bootis stars - anomalous Cepheids by Ivan Adamin

A revision of NSV 13538 = NSVS 17231162 by Alexandr Ditkovsky

NSVS 11075037 = Dauban V53:
updated elements of a Mira variable in Hercules
by Siarhey Hadon

Pulsating variable stars and the Hertzsprung-Russell diagram
by Siarhey Hadon, Ivan Adamin

RS Puppis: the light echoes calibrate standard candles for accurate distance measurements
by Ivan Adamin

SS Lacertae: The non-eclipsing eclipsing binary by Ivan Adamin

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