Spectroscopic binary orbits from photoelectric radial velocities. Paper 3: delta Orionis
Bibcode: 1987Obs...107..205H
Howarth, I. D.; Zuiderwijk, E. J.; Stickland, D. J.; Harvey, A. S.
Abstract
The purpose of the present contribution is to add a modern set of orbital elements to those derived from data of some antiquity in the pursuit of a value for the apsidal motion constant for the bright, hot supergiant δ Orionis.
1987
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The Observatory
IUE
22