Pulsationally Unstable Nonradial Modes in Upper Main Sequence

Details Pulsationally Unstable Nonradial Modes in Upper Main Sequence Pulsationally Unstable Nonradial Modes in Upper Main Sequence

Mar 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011acasn..52..115x&link_type=abstract

Acta Astronomica Sinica, vol. 52, no. 2, p. 115-125

Astronomy and Astrophysics

Astronomy

Convection, Stars: Oscillation, Stars: Variables

Scientific paper

Using a non-local and time-dependent theory of convection, the linear stability of p4 ~ g39 modes in the upper MS (main sequence) for l=1~4 is analyzed. The influences of convection on the pulsation stability of nonradial modes are studied. The results show that the influences of convection are not negligible. However, in general, convection has no significant influence on the location and scope of instability strip if the details of the single stellar model and oscillation mode are not concerned.

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