SIMBAD references

2009MNRAS.393..245N - Mon. Not. R. Astron. Soc., 393, 245-252 (2009/February-2)

The radius and other fundamental parameters of the F9V star β Virginis.

NORTH J.R., DAVIS J., ROBERTSON J.G., BEDDING T.R., BRUNTT H., IRELAND M.J., JACOB A.P., LACOUR S., O'BYRNE J.W., OWENS S.M., STELLO D., TANGO W.J. and TUTHILL P.G.

Abstract (from CDS):

We have used the Sydney University Stellar Interferometer (SUSI) to measure the angular diameter of the F9V star β Virginis (β Vir). After correcting for limb darkening and combining with the revised Hipparcos parallax, we derive a radius of 1.703±0.022R(1.3 per cent). We have also calculated the bolometric flux from published measurements which, combined with the angular diameter, implies an effective temperature of 6059 ±49K (0.8 per cent). We also derived the luminosity of β Vir to be L = 3.51±0.08L(2.1 per cent). Solar-like oscillations were measured in this star by Carrier et al. and using their value for the large frequency separation yields the mean stellar density with an uncertainty of about 2 per cent. Our constraints on the fundamental parameters of β Vir will be important to test the theoretical models of this star and its oscillations.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

Journal keyword(s): techniques: interferometric - stars: fundamental parameters - stars: individual: β Vir

Simbad objects: 10

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