Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986pasp...98...33s&link_type=abstract
(Workshop on the Connection between Nonradial Pulsations and Stellar Winds in Massive Stars, Boulder, CO, Apr. 17-19, 1985) Astr
Astronomy and Astrophysics
Astronomy
5
B Stars, Line Shape, O Stars, Stellar Mass, Stellar Oscillations, Stellar Spectrophotometry, Periodic Variations, Spectral Energy Distribution, Vibration Mode
Scientific paper
A summary of the derivable properties of temporal line-profile analysis is presented in a table. In the table, a single observation provides unique phase information as well as an estimate of m, the number of mode lines of a surface wave intersecting the star's equator. Observed properties are considered along with nonradial oddities. It appears now that nearly all chemically normal and 'unveiled' stars, and possibly some Wolf-Rayets, exhibit NRP. The oddities among NRP OB stars are found to include mode changing, mode growth/decay, unequal wave amplitudes, unequal wavelengths, and absorption/emission transients.
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