Hostname: page-component-cd9895bd7-fscjk Total loading time: 0 Render date: 2024-12-26T04:40:35.320Z Has data issue: false hasContentIssue false
  • English
  • Français

Sub-Milliarcsecond Optical Astrometry and Binary Stars

Published online by Cambridge University Press:  07 August 2017

J.T. Armstrong
J.T. Armstrong*
Affiliation:
Universities Space Research Association NRL/USNO Optical Interferometer Project U. S. Naval Observatory – AD 5 3450 Massachusetts Ave. NW, Washington, DC 20392, USA [email protected]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

Long-baseline optical interferometry has made it possible to measure the visual orbits of binary stars with major axes as small as 5 mas and errors of ≲ 100 μas. Interferometers now nearing completion will extend these values to ≳ 500 μas and σa ∼ 10 μas. Observations of double-lined spectroscopic binaries with current interferometers have already yielded some mass estimates with precisions rivaling those from fitting the light curves of eclipsing double-lined systems. Luminosity estimates based on combined visual interferometric observations and velocity curves are often more precise than those from more indirect methods based on estimates of Teff. New interferometers now coming into operation will make it possible to measure fundamental parameters in dozens to hundreds of binary systems.

Type
2. Current and Future Needs for Very Accurate Astrometry
Information
Symposium - International Astronomical Union , Volume 166: Astronomical and Astrophysical Objectives of Sub-Milliarcsecond Optical Astrometry , 1995 , pp. 193 - 202
Copyright
Copyright © Kluwer 1995 

References

Andersen, J. 1991, A&ARev, 3, 91 Google Scholar
Armstrong, J.T. 1994, in Amplitude and Intensity Spatial Interferometry II, SPIE Proc. 2200, ed. Brekinridge, J.B., p. 62 Google Scholar
Armstrong, J.T., Hummel, C.A., Quirrenbach, A., Buscher, D.F., Mozurkewich, D., Vivekanand, M., Simon, R.S., Denison, C.S., Johnston, K.J., Pan, X.-P., Shao, M., & Colavita, M.M. 1992a, AJ, 104, 2217 CrossRefGoogle Scholar
Armstrong, J.T., Mozurkewich, D., Vivekanand, M., Simon, R.S., Denison, C.S., Johnston, K.J., Pan, X.-P., Shao, M., & Colavita, M.M. 1992a, AJ, 104, 241 Google Scholar
Barlow, D.J., Fekel, F.C., & Scarfe, C.D. 1993, PASP, 105, 476 Google Scholar
Batten, A.H., Fletcher, J.M., & MacCarthy, D.G. 1989, Publ. DAO, 17, 1 Google Scholar
Carleton, N.P., Traub, W.A., Lacasse, M.G., Nisenson, P., Pearlman, M.R., Reasenberg, R.D., Xu, X., Coldwell, C.M., Panasyuk, A., Benson, J.A., Papaliolios, C., Predmore, R., Schloerb, F.P., Dyck, H.M., & Gibson, D.M. 1994, in Amplitude and Intensity Spatial Interferometry II, SPIE Proc. 2200, ed. Brekinridge, J.B., p. 152 Google Scholar
Colavita, M.M., Shao, M., Hines, B.E., Wallace, J.K., Gursel, Y., Malbet, F., Yu, J.W., Singh, H., Beichman, C.A., Pan, X.-P., Nakajima, T., & Kulkarni, S.R. 1994, in Amplitude and Intensity Spatial Interferometry II, SPIE Proc. 2200, ed. Brekinridge, J.B., p. 89 Google Scholar
Cox, G.C. 1993, in Very High Angular Resolution Imaging, IAU Symp. 158, ed. Robinson, J.G. and Tango, W.J., p. 163 Google Scholar
Davis, J. 1993, in Very High Angular Resolution Imaging, IAU Symp. 158, ed. Robinson, J.G. and Tango, W.J., p. 163 Google Scholar
Gliese, W., & Jahreiss, H. 1993, Third Catalogue of Nearby Stars (preliminary version), available on the Astronomical Data Center CD ROM Google Scholar
Griffin, R.F. 1992, in Complementary Approaches to Double and Multiple Star Research, IAU Colloquium 135, ed. McAlister, H.A. and Hartkopf, W.I. (ASP Conf. Ser., San Francisco), p. 98 Google Scholar
Halbwachs, J.L. 1981, A&ASupp, 44, 47 Google Scholar
Hummel, C.A., Armstrong, J.T., Quirrenbach, A., Buscher, D.F., Mozurkewich, D., Simon, R.S., & Johnston, K.J. 1993, AJ, 106, 2486 Google Scholar
Hummel, C.A., Armstrong, J.T., Quirrenbach, A., Buscher, D.F., Mozurkewich, D., Elias, N.M. II, & Wilson, R.E. 1994a, AJ, 107, 1859 Google Scholar
Hummel, C.A., Mozurkewich, D., Elias, N.M. II, Quirrenbach, A., Buscher, D.F., Armstrong, J.T., Johnston, K.J., Simon, R.S., & Hutter, D.J. 1994b, AJ, 108, 326 Google Scholar
Hummel, C.A., et al. 1994c, in preparation Google Scholar
Hutter, D.J. 1994, in Amplitude and Intensity Spatial Interferometry II, SPIE Proc. 2200, ed. Brekinridge, J.B., p. 71 Google Scholar
McAlister, H.A. 1985, in Calibration of Fundamental Stellar Quantities, IAU Symp. 111, ed. Hayes, D.S., Pasinetti, L.E., and Davis Phillip, A.G. (Reidel, Dordrecht), p. 97 CrossRefGoogle Scholar
Mozurkewich, D., et al. 1994, in preparation Google Scholar
Mozurkewich, D., Johnston, K.J., Simon, R.S., Bowers, P.F., Gaume, R.A., Hutter, D.J., Colavita, M.M., Shao, M., & Pan, X.-P. 1991, AJ, 101, 2207 Google Scholar
Popper, D.M. 1993, ApJLett, 404, L67 Google Scholar
Rach, R.A., & Herbig, G.H. 1961, ApJ, 133, 143 CrossRefGoogle Scholar
Rosvick, J.M., & Scarfe, C.D. 1991, MNRAS, 252, 68 CrossRefGoogle Scholar
Stickland, D.J. 1976, MNRAS, 175, 473 Google Scholar