Browsing by Subject "Hot stars"

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Radiative transfer with Compton scattering in plane parallel geometry

Peraiah, A (Indian Academy of Sciences, 1990-06)

The equation of radiative transfer with Compton scattering is solved. The specific intensity has been expanded by Taylor series with respect to wavelength and the first three terms have been retained in solving the transfer ...
The rotating envelope of the hot star gamma Cassiopeiae resolved by optical interferometry

Mourard, D; Bosc, I; Labeyrie, A; Saha, S. K (Nature Publishing Group, 1989-11)

CERTAIN hot stars, belonging to the Be class, may have an envelope of hydrogen gas, possibly in the form of a rotating disk or spheroidal shell. Other models involve elliptical rings or close binary systems where the Roche ...
The variation of the 5200 feature in HD 34452

Shylaja, B. S; Babu, G. S. D (Royal Astronomical Society, 1986-10)

Spectrophotometric observations of the hot Si star HD 34452 = HR 1732 obtained over a duration of four years, from 1979 to 1983, are presented. The period of variation in the broad-band feature centred around λ5200 is found ...

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