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The period–luminosity relation of Mira variable stars
Proceedings of the International Astronomical Union
We use astrometry to measure the distances to Galactic Mira variable stars. Our purpose is to determine a precise period-luminosity relation (PLR). At present, we do not have a precise PLR for Galactic Mira stars because of the large uncertainties affecting their distance estimates. To reduce the uncertainties, we adopted the Very Long Baseline Interferometry method and measured annual parallaxes of Mira variable stars with VERA. In addition to our previous results, we obtained three newdoi:10.1017/s1743921312021412 fatcat:s7xk5u6hjbg37eiwjhl44mvwqm