SIMBAD references

2002PASP..114..645D - Publ. Astron. Soc. Pac., 114, 645-649 (2002/June-0)

Light and color curves of six field RR Lyrae variable stars.

DAY A.S., LAYDEN A.C., HOARD D.W., BRAMMER G., COOKSEY K., CUADRA J., HOLMES S., LABBE E. and MONTEZ R.Jr

Abstract (from CDS):

We present light curves in the B, V, and I passbands for six field RR Lyrae stars. We derive the stars' intensity-mean magnitudes, light amplitudes, and colors at minimum light. We compare the latter with measurements from other variables and discuss the use of (V-I) color at minimum light as a tool for measuring interstellar reddening. From 15 stars, we find the mean dereddened RR Lyrae color at minimum light to be (V-I)0=0.57 mag. The rms scatter of 0.025 mag indicates the precision of this value over a wide range of metallicities and pulsation periods.

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Journal keyword(s): ISM: Dust, Extinction - Stars: Horizontal-Branch - Stars: Variables: Other

Simbad objects: 7

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