Second order rotational effect on the oscillation frequencies of V1162 Ori

Details Second order rotational effect on the oscillation frequencies of V1162 Ori Second order rotational effect on the oscillation frequencies of V1162 Ori

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007ap%26ss.310..189m&link_type=abstract

Astrophysics and Space Science, Volume 310, Issue 3-4, pp. 189-193

Astronomy and Astrophysics

Astrophysics

Rotation, V1162, Oscillations, Variable&Nbsp, Stars, Stellar Evolution

Scientific paper

V1162 is a δ-Scuti type variable star for which a rotational velocity of V sini=46±4 km s-1 has been observed. The star has been modelled according to its observed parameters and oscillation frequencies. The results obtained by approximating rotation to the first order have been compared with the ones provided by new calculations that include rotation up to the second order. We found that second order rotation term should be included in frequency calculations for comparatively high rotation speeds.

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