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Speckle Interferometry: Diffraction-Limited Measurements of Nine Stars with the 200-INCH Telescope
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1972
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A new method enables repeat measurements of stellar diameters using the classical Michelson‑Pease technique. Stellar images are captured coherently with a special camera, and their fine structure is optically processed to extract diffraction‑limited information. Nine stars were resolved with angular sizes as small as 0.016, revealing limb darkening in α Ori and a faint companion to Cep. Published in The Astrophysical Journal, April 1972, DOI 10.1086/180906.
view Abstract Citations (177) References (12) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Speckle Interferometry: Diffraction-Limited Measurements of Nine Stars with the 200-INCH Telescope Gezari, D. Y. ; Labeyrie, A. ; Stachnik, R. V. Abstract A new method has enabled us to repeat most of the classical Michelson-Pease measurements of stellar diameters. Stellar images are photographed "coherently" with a special camera. They contain a fine structure from which diffraction-limited information is extracted by optical processing. Nine of the stars observed were resolved, showing angular dimensions as small as 0.016. Limb darkening is evidenced in a Ori, and a faint companion is found for Cep. Publication: The Astrophysical Journal Pub Date: April 1972 DOI: 10.1086/180906 Bibcode: 1972ApJ...173L...1G full text sources ADS | data products SIMBAD (11)