Speckle interferometric observations of close binary stars

Details Speckle interferometric observations of close binary stars Speckle interferometric observations of close binary stars

2002-09-20

arxiv.org/abs/astro-ph/0209424v1

Astronomy and Astrophysics

Astrophysics

3 pages TeX file including 1 figure. Bull. Astron. Soc. Ind., 2002 (accepted)

Scientific paper

Speckle interferometric technique is employed to record a series of hundreds of short-exposure images of several close binary stars with sub-arcsecond separation through a narrow band filter at the Cassegrain focus of the 2.34 meter (m) Vainu Bappu telescope (VBT), situated at Vainu Bappu Observatory (VBO), Kavalur, India. The data are recorded sequentially by a Peltier-cooled intensified CCD camera with 10 ms exposure. The auto-correlation method is applied to determine the angular separations and position angles of these binary systems.

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