SIMBAD references

2007MNRAS.374.1421M - Mon. Not. R. Astron. Soc., 374, 1421-1426 (2007/February-1)

[Fe/H] relations for c-type RR Lyrae variables based upon Fourier coefficients.

MORGAN S.M., WAHL J.N. and WIECKHORST R.M.

Abstract (from CDS):

[Fe/H]-φ31-P relations are found for c-type RR Lyrae stars in globular clusters. The relations are analogous to that found by Jurcsik & Kovács for field ab-type RR Lyrae stars, where a longer period correlates with lower metallicity values for similar values of the Fourier coefficient φ31. The relations obtained here are used to determine the metallicity of field c-type RR Lyrae stars, those within ωCen, the Large Magellanic Cloud and toward the galactic bulge. The results are found to compare favourably to metallicity values obtained elsewhere.

Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

Journal keyword(s): stars: abundances - stars: variables: other - globular clusters: general

Simbad objects: 27

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