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Parallaxes of Selected Stars Near the North Galactic Pole

Published online by Cambridge University Press:  30 March 2016

K. Aa. Strand ,
C. C. Dahn  and
R. S. Harrington
K. Aa. Strand
Affiliation:
U.S. Naval Observatory, Washington, D. C.
C. C. Dahn
Affiliation:
U.S. Naval Observatory, Washington, D. C.
R. S. Harrington
Affiliation:
U.S. Naval Observatory, Washington, D. C.

Extract

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As a contribution toward settling the question of the distances of Murray-Sanduleak (M-S) stars (Murray and Sanduleak, 1972), two of these stars were added to the U. S. Naval Observatory (USNO) program in 1973. After the initial plates had been taken, it appeared that parallax for an additional star could be measured on one series, while parallaxes for two additional stars were possible from the second. As a result provisional parallaxes are now available, Table I.

In terms of USNO parallaxes, these are considered provisional because they are based on half the number of plates on which the final parallaxes are ordinarily determined; only small changes are expected when additional material is added beyond the present.

Type
Joint Discussions
Information
Highlights of Astronomy , Volume 4 , Issue 2: Highlights of Astronomy. As presented at the XVIth General Assembly of the IAU, 1976 (Part II) , 1977 , pp. 59 - 60
Copyright
Copyright © Reidel 1977

References

1. Koo, D. C, and Kron, R. G. (1975). Publ. Astron. Soc. Pac, 87, 885.Google Scholar
2. Murray, C. A., and Sanduleak, N. (1972). Monthly Notices, Roy. Astron. Soc, 157, 273.Google Scholar
3. Strand, K. Aa., Harrington, R. S., and Dahn, C. C. (1974). I.A.U. Symp. No. 61, New Problems in Astrometry.Google Scholar
4. Weistrop, D. (1976). Astron. J., 81, 427.CrossRefGoogle Scholar