SIMBAD references

1998BaltA...7..227H - Baltic Astronomy, 7, 227-242 (1998/April-0)

Methodological aspects of delta Scuti star seismology.

HANDLER G.

Abstract (from CDS):

I present a personally biased view of the present status of seismology of δ Scuti stars. While much thought has been given to develop new tools for mode identification, the required cross-calibrations between them are difficult. I suggest to pay more attention to target selection, since the objects which have the best chances to be successfully modeled - unevolved, slowly rotating δ Scuti stars - are poorly observed. In the light of an upcoming large multi-site campaign on the only well investigated representative of this class, WET 0856 = CD-24 7599 = XX Pyx, I estimate the size of some spurious results which can affect data analysis, in particular those caused by passband mismatches of inhomogeneous equipment used in worldwide observing campaigns. I find that they hardly influence the results for δ Scuti and roAp stars, but they can become dangerous for high-amplitude DA pulsators.

Abstract Copyright:

Journal keyword(s): stars: variable, oscillations, δ Scuti type - asteroseismology

Simbad objects: 10

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