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An Examination of the Period of V1828 Sagittarii

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Nancy J. Chanover,

Maria Mitchell Observatory, Nantucket, MA 02554

Received: 12 December 1989

Abstract

V1828 Sgr, a 13-day Population I Cepheid was re-examined to ascertain whether its period changes are gradual or abrupt. A parabolic, or gradual, representation of the period decrease is favored. The rate of change is -0.00309 cycle per century.