Astronomy and Astrophysics – Astronomy
Scientist
Astronomy and Astrophysics
Astronomy
Scientist
Leiden Observatory, Leiden University, P.O. Box 9513, 2300 RA Leiden, The Netherlands
A modification of the method of Lehmann-Filhés for determining the orbit of a spectroscopic double star
Additional note on the continuous spectrum of the corona
Contours of the chromospheric H and K lines
Corrections to the elements of Hyperion according to observations by H. Struve during the opposition 1919
Critical terms associated with the libration in the theory of the Trojans
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