1994A&A...289..429B

Query : 1994A&A...289..429B

1994A&A...289..429B - Astronomy and Astrophysics, volume 289429-440 (1994/9-2)

Confrontation between power spectra of Mira stars and theoretical models.

BARTHES D. and TUCHMAN Y.

Abstract (from CDS):

The observed period spectrum of two typical Mira variables (S CMi and χ Cyg) is confronted with theoretical nonadiabatic linear models. It turns out that almost all observed frequencies in the cleaned spectrum of these two chosen variables can be explained as radial pulsational modes, their harmonics and combinations if the dominant mode is identified with the first overtone. This procedure is shown to be a powerful tool for mass and luminosity determination of Long Period Variables.

Abstract Copyright: ∼

Journal keyword(s): stars: fundamental parameters - stars: individual: S CMi, χ Cyg - oscillations - asymptotic giant branch

Simbad objects: 2

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Number of rows : 2
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 V* S CMi Mi* 07 32 43.0693155312 +08 19 05.197531404     6.60     M7-8e 166 0
2 * chi Cyg S* 19 50 33.9213430345 +32 54 50.575531294 7.02 6.06 4.24 1.81 -0.01 S6-9/1-2e 721 0

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