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R Virginis

Mira Variable in Virgo

Right Ascension 12 : 38 : 29.9 (h:m:s)
Declination +06 : 59 : 18 (deg:m:s)
Distance (ly)
Visual brightness 6.0 .. 12.1 (mag)
Period 145.64 (days)
Spectra type M4.5IIIe

Variability discovered by Harding in 1809.

This Mira variable has a comparatively short period of about 146 days. Recent and upcoming maxima were and are expected for January, June and October 2008 as well as March and August 2009, January 2010, as well as May 18 and October 11, 2012; March 5, July 29, and December 22, 2013; May 16 and October 9, 2014.


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Hartmut Frommert
Christine Kronberg
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