PHOTOMETRIC, SPECTROSCOPIC, and ORBITAL PERIOD STUDY of THREE EARLY-TYPE SEMI-DETACHED SYSTEMS: XZ AQL, UX HER, and at PEG

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Zola S., BAŞTÜRK Ö., Liakos A., Gazeas K., ŞENAVCI H. V., Nelson R. H., ...Daha Fazla

Astronomical Journal, cilt.152, sa.2, 2016 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 152 Sayı: 2
  • Basım Tarihi: 2016
  • Doi Numarası: 10.3847/0004-6256/152/2/33
  • Dergi Adı: Astronomical Journal
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Anahtar Kelimeler: binaries: eclipsing, stars: individual (XZ Aql, UX Her, AT Peg), ALGOL-TYPE BINARIES, ECLIPSING BINARY, LIGHT CURVES, VELOCITY CURVES, VARIABLE-STARS, HERCULIS, PARAMETERS, COMPONENTS, EVOLUTION, ELEMENTS
  • Ankara Üniversitesi Adresli: Evet

Özet

© 2016. The American Astronomical Society. All rights reserved.In this paper, we present a combined photometric, spectroscopic, and orbital period study of three early-type eclipsing binary systems: XZ Aql, UX Her, and AT Peg. As a result, we have derived the absolute parameters of their components and, on that basis, we discuss their evolutionary states. Furthermore, we compare their parameters with those of other binary systems and with theoretical models. An analysis of all available up-to-date times of minima indicated that all three systems studied here show cyclic orbital changes; their origin is discussed in detail. Finally, we performed a frequency analysis for possible pulsational behavior, and as a result we suggest that XZ Aql hosts a δ Scuti component.