ABSTRACT
The orbital elements of this visual binary are revised; we find a=0.91" and P=129 yr. The mass ratio measured from a 75-yr series of astrometric plates supports the spectroscopically suspected presence of a third body.
THE VISUAL BINARY LAMBDA OPHIUCHI
W. D. Heintz1 and C. Strom2
© 1993. The Astronomical Society of the Pacific. All rights reserved. Printed in U.S.A.
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Citation W. D. Heintz and C. Strom 1993 PASP 105 293
DOI 10.1086/133145
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