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Proper Motions of H2O Masers in W49(N) and the Distance to the Galactic Center
Published online by Cambridge University Press: 23 September 2016
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A distance of R0 = 7.6 ± 1.6 kpc for the galactic center is given by comparison of expansion parallax of a cluster of H2O masers in W49(N) with the kinematic distance of that source. Data from additional epochs, now being calibrated, should further improve the accuracy of our determination of R0.
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- Copyright © Kluwer 1989
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