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Photometric and spectroscopic investigation of nine Cepheids in the Cassiopeia constellation

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F19%3A00521387" target="_blank" >RIV/67985815:_____/19:00521387 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216224:14310/19:00113495

  • Result on the web

    <a href="http://hdl.handle.net/11104/0306021" target="_blank" >http://hdl.handle.net/11104/0306021</a>

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Photometric and spectroscopic investigation of nine Cepheids in the Cassiopeia constellation

  • Original language description

    We present new multicolor BVRI photometry and low-resolution spectroscopy of 9 fundamental mode Cepheids in the Cassiopeia constellation. Observations were carried out during the 2017/2018 observing season. We investigated each particular light curve in detail using Fourier decomposition techniques which we compare with the Cepheids from the OGLE project. Using the Gaia parallaxes and the period-luminosity relation we estimated the absolute magnitudes and constructed the Hertzsprung-Russell diagram. Our findings agree with the previously published results except for V824 Cas. This star has small Fourier amplitudes and shows a discrepancy in the absolute magnitudes based on Gaia and period-luminosity relation. We propose that V824 Cas can either be a member of a binary system or is not a fundamental-mode Cepheid but an overtone Cepheid.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10308 - Astronomy (including astrophysics,space science)

Result continuities

  • Project

    <a href="/en/project/EF16_027%2F0008360" target="_blank" >EF16_027/0008360: Postdoc@MUNI</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2019

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Contributions of the Astronomical Observatory Skalnaté Pleso

  • ISSN

    1335-1842

  • e-ISSN

  • Volume of the periodical

    49

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    SK - SLOVAKIA

  • Number of pages

    19

  • Pages from-to

    503-521

  • UT code for WoS article

    000505925100002

  • EID of the result in the Scopus database