On the parallaxes and motion of the brighter galactic helium stars between galactic longitudes 150⁰ and 216⁰

An edition of On the parallaxes and motion of the brighter galactic helium stars between galactic longitudes 150⁰ and 216⁰ (1918)

On the parallaxes and motion of the brighter galactic helium stars between galactic longitudes 150⁰ and 216⁰

By J. C. Kapteyn

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Publish Date

1918

Publisher

Language

eng

Pages

Description:

subjects: Parallax, Proper motion, Stars