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A Kinematical Study of the Galaxy Based on the Revised Hipparcos Astrometric Data
DOI: 10.1016/j.chinastron.2009.12.008
Bibcode: 2010ChA&A..34...89S
Shen, Ming; Zhang, Hong
On the basis of the revised Hipparcos data recently released, the zero-point of the period-luminosity relation for classical cepheids is reexamined. Fitting the proper motion and radial velocity data via an axisymmetric model, the Oort constants and circular rotation velocity of the LSR are calculated to obtain the Galactocentric distance of the S…
2010
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Chinese Astronomy and Astrophysics
Hipparcos
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