Long period variables in 47 Tuc: direct evidence for lost mass

Lebzelter, Thomas; Wood, Peter R

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Long period variables in 47 Tuc: direct evidence for lost mass

Date

2005

Authors

Lebzelter, Thomas

Wood, Peter R

Publisher

Springer

Abstract

We have identified 22 new variable red giants in 47 Tuc and determined periods for another 8 previously known variables. All red giants redder than V - Ic = 1.8 are variable at the limits of our detection threshold, which corresponds to δV ≈ 0.1 mag. T