Measuring the sizes of stars

Details Measuring the sizes of stars Measuring the sizes of stars

Mar 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984japa....5...19h&link_type=abstract

Journal of Astrophysics and Astronomy (ISSN 0250-6335), vol. 5, March 1984, p. 19-30.

Physics

Optics

2

Angular Resolution, Michelson Interferometers, Scintillation, Size Determination, Stellar Structure, Atmospheric Optics, Diameters, High Resolution, Optical Correction Procedure, Telescopes

Scientific paper

As a first step toward the application of interferometers with very high resolving power to star size measurement, a version of Michelson's stellar interferometer is being constructed with modern techniques. It is expected that this instrument will reach stars of +8 magnitude, and will work reliably in the presence of atmospheric scintillation. It should, moreover, cost considerably less than an intensity interferometer of comparable performance. If the Michelson instrument can perform satisfactorily at short baselines, it may be extended to long baselines through the development of an automatic fringe-tracking system.

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