SCALING OF OBSERVABLE PROPERTIES IN ROTATING STARS

The spectral energy distribution as a function of inclination is computed using two-dimensional rotating stellar models and NLTE plane parallel stellar atmospheres. These models cover the range from 1.875 M sub([middot in circle]) to 3.0 M sub([middot in circle]). The deduced effective temperature i...

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Bibliographic Details
Published in:The Astrophysical journal 2014-10, Vol.794 (1), p.1-7
Main Authors: Castaneda, D, Deupree, R G
Format: Article
Language:English
Subjects:
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
ATMOSPHERES
Computation
DISTANCE
ENERGY SPECTRA
INCLINATION
LUMINOSITY
MASS
Mathematical analysis
Rotating
ROTATION
SCALING
SIMULATION
Spectral energy distribution
SPHERICAL CONFIGURATION
STARS
Stellar models
SURFACE PROPERTIES
SURFACES
SYMMETRY
TWO-DIMENSIONAL CALCULATIONS
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Summary:The spectral energy distribution as a function of inclination is computed using two-dimensional rotating stellar models and NLTE plane parallel stellar atmospheres. These models cover the range from 1.875 M sub([middot in circle]) to 3.0 M sub([middot in circle]). The deduced effective temperature is determined by B - V computed from the spectral energy distribution, and the deduced luminosity is computed as the integral of the spectral energy distribution over all frequencies, assuming the distance and reddening are known. These deduced quantities are obtained from the observed spectral energy distribution assuming the objects are spherically symmetric, and thus the results are dependent on the inclination. Previous work has shown that the surface properties between two rotating stellar models with the same surface shape scale, and this is also true for the deduced effective temperature and luminosity over this limited mass range.
ISSN:1538-4357
0004-637X
1538-4357
DOI:10.1088/0004-637X/794/1/13