The rich frequency spectrum of the triple-mode variable AC and

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Fourier analysis of the light curve of AC And from the HATNet database reveals the rich frequency structure of this object. Above 30 components are found down to the amplitude of 3 mmag. Several of these frequencies are not the linear combinations of the three basic components. We detect period increase in all three components that may lend support to the Population I classification of this variable.

Original languageEnglish (US)
Title of host publicationPrecision Asteroseismology
EditorsJoyce Guzik, William Chaplin, William Chaplin, Gerald Handler, Andrzej Pigulski
Pages443-444
Number of pages2
EditionS301
DOIs
StatePublished - 2014

Publication series

NameProceedings of the International Astronomical Union
NumberS301
Volume9
ISSN (Print)1743-9213
ISSN (Electronic)1743-9221

All Science Journal Classification (ASJC) codes

  • Medicine (miscellaneous)
  • Astronomy and Astrophysics
  • Nutrition and Dietetics
  • Public Health, Environmental and Occupational Health
  • Space and Planetary Science

Keywords

  • Cepheids
  • fundamental parameters
  • stars: variables

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