Stellar Speckle Interferometry with Large Telescopes

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Multiple Stars, Late Stages Of Stellar Evolution, Supergiant Stars, Astrometric And Interferometric Instruments

Scientific paper

Speckle interferometry is a method for attainment high angular resolution using full aperture of the large telescope. We give a brief description of the main principles of the method and the history of its development at large telescopes. The main fields of application of the method are the binary and multiple star research, study of the circumstellar gas and dust structures both for young objects and for stars at the latest stages of their evolution. Stellar diameters of nearby supergiants can be measured in different bands using the largest world telescopes. We discuss the perspectives of the method adaptation at the telescopes with segmented mirrors.

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