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Hubble Space Telescope: A Generator of Sub-Milliarcsecond Precision Parallaxes

Published online by Cambridge University Press:  07 August 2017

G. Benedict ,
W. Jefferys ,
B. McArthur ,
E. Nelan ,
A. Whipple ,
Q. Wang ,
D. Story ,
P. Hemenway ,
P. Shelus  and
W. Van Altena
...Show all authors
G. Benedict
Affiliation:
McDonald Observatory University of Texas Austin, TX 78712
W. Jefferys
Affiliation:
McDonald Observatory University of Texas Austin, TX 78712
B. McArthur
Affiliation:
McDonald Observatory University of Texas Austin, TX 78712
E. Nelan
Affiliation:
McDonald Observatory University of Texas Austin, TX 78712
A. Whipple
Affiliation:
McDonald Observatory University of Texas Austin, TX 78712
Q. Wang
Affiliation:
McDonald Observatory University of Texas Austin, TX 78712
D. Story
Affiliation:
McDonald Observatory University of Texas Austin, TX 78712
P. Hemenway
Affiliation:
McDonald Observatory University of Texas Austin, TX 78712
P. Shelus
Affiliation:
McDonald Observatory University of Texas Austin, TX 78712
W. Van Altena
Affiliation:
Astronomy Department Yale University New Haven, CT 06511
O. Franz
Affiliation:
Lowell Observatory Flagstaff, AZ 86001
R. Duncombe
Affiliation:
Aerospace Engineering University of Texas Austin, TX 78712
L. Fredrick
Affiliation:
Astronomy Department University of Virginia, Charlottesville, VA 22903

Abstract

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Hubble Space Telescope Fine Guidance Sensor 3 can generate sub-milliarcsecond precision parallaxes in eighteen months. We discuss the internal precision and external accuracy of our observations of Proxima Centauri and Barnard's Star. For some classes of targets Hubble Space Telescope will remain the parallax tool of choice for years to come. It can offer 0.5 mas precision. It will remain useful by satisfying urgent needs for quick results, by offering a 13 magnitude dynamic range, and by providing an unparalleled binary dissection capability.

Type
1. Current Advances in Astrometry
Information
Symposium - International Astronomical Union , Volume 166: Astronomical and Astrophysical Objectives of Sub-Milliarcsecond Optical Astrometry , 1995 , pp. 89 - 94
Copyright
Copyright © Kluwer 1995 

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