ASAS chromospherically active eclipsing binaries (Parihar+ 2009)

Astronomy and Astrophysics – Astronomy

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Binaries: Eclipsing, Photometry: Infrared, Mk Spectral Classification

Scientific paper

The medium-resolution spectroscopic survey of our 180 ASAS stars was carried out using the 2-m Himalayan Chandra Telescope (HCT) of Indian Astronomical Observatory (IAO) equipped with the Himalaya Faint Object Spectrograph (HFOSC) spectrograph and the 2.3-m Vainu Bappu Telescope (VBT) of Vainu Bappu Observatory (VBO) equipped with the Optomechanics Research (OMR) spectrograph.
High-resolution optical spectra of one particularly interesting target HD 69820 (ASAS 081700-4243.8) were obtained with two different instruments: the fibre-fed coude echelle spectrometer of the 2.3-m VBT and University College London Echelle Spectrograph (UCLES) at the 4-m Anglo-Australian Telescope (AAT) of Anglo-Australian Observatory (AAO).
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