The chemical composition of δ Scuti★
Corresponding Author
A. Yushchenko
Astrophysical Research Center for the Structure and Evolution of the Cosmos (ARCSEC), Sejong University, Seoul, 143-747, Korea
Odessa Astronomical Observatory, Odessa National University, Park Shevchenko, Odessa, 65014, Ukraine
E-mail: [email protected], [email protected] (AY); [email protected] (VG); [email protected] (CK); [email protected] (FM)Search for more papers by this authorCorresponding Author
V. Gopka
Odessa Astronomical Observatory, Odessa National University, Park Shevchenko, Odessa, 65014, Ukraine
E-mail: [email protected], [email protected] (AY); [email protected] (VG); [email protected] (CK); [email protected] (FM)Search for more papers by this authorCorresponding Author
Chulhee Kim
Department of Earth Science Education, Chonbuk National University, Chonju 561-756, Korea
E-mail: [email protected], [email protected] (AY); [email protected] (VG); [email protected] (CK); [email protected] (FM)Search for more papers by this authorCorresponding Author
F. Musaev
Special Astrophysical Observatory of the Russian Academy of Sciences, Nizhnij Arkhyz, Zelenchuk, Karachaevo-Cherkesiya, 369167, Russia
The International Centre for Astronomical, Medical and Ecological Research of the Russian Academy of Sciences and the National Academy of Sciences of Ukraine, Golosiiv, Kiev, 03680, Ukraine
Shamakhy Astrophysical Observatory, NAS of Azerbaijan, Yusif Mamedaliev, Shamakhy, Azerbaijan
E-mail: [email protected], [email protected] (AY); [email protected] (VG); [email protected] (CK); [email protected] (FM)Search for more papers by this authorY. W. Kang
Astrophysical Research Center for the Structure and Evolution of the Cosmos (ARCSEC), Sejong University, Seoul, 143-747, Korea
Search for more papers by this authorV. Kovtyukh
Odessa Astronomical Observatory, Odessa National University, Park Shevchenko, Odessa, 65014, Ukraine
Search for more papers by this authorC. Soubiran
Observatoire Aquitain des Sciences de l'Univers, CNRS UMR 5804, BP 89, 33270 Floirac, France
Search for more papers by this authorCorresponding Author
A. Yushchenko
Astrophysical Research Center for the Structure and Evolution of the Cosmos (ARCSEC), Sejong University, Seoul, 143-747, Korea
Odessa Astronomical Observatory, Odessa National University, Park Shevchenko, Odessa, 65014, Ukraine
E-mail: [email protected], [email protected] (AY); [email protected] (VG); [email protected] (CK); [email protected] (FM)Search for more papers by this authorCorresponding Author
V. Gopka
Odessa Astronomical Observatory, Odessa National University, Park Shevchenko, Odessa, 65014, Ukraine
E-mail: [email protected], [email protected] (AY); [email protected] (VG); [email protected] (CK); [email protected] (FM)Search for more papers by this authorCorresponding Author
Chulhee Kim
Department of Earth Science Education, Chonbuk National University, Chonju 561-756, Korea
E-mail: [email protected], [email protected] (AY); [email protected] (VG); [email protected] (CK); [email protected] (FM)Search for more papers by this authorCorresponding Author
F. Musaev
Special Astrophysical Observatory of the Russian Academy of Sciences, Nizhnij Arkhyz, Zelenchuk, Karachaevo-Cherkesiya, 369167, Russia
The International Centre for Astronomical, Medical and Ecological Research of the Russian Academy of Sciences and the National Academy of Sciences of Ukraine, Golosiiv, Kiev, 03680, Ukraine
Shamakhy Astrophysical Observatory, NAS of Azerbaijan, Yusif Mamedaliev, Shamakhy, Azerbaijan
E-mail: [email protected], [email protected] (AY); [email protected] (VG); [email protected] (CK); [email protected] (FM)Search for more papers by this authorY. W. Kang
Astrophysical Research Center for the Structure and Evolution of the Cosmos (ARCSEC), Sejong University, Seoul, 143-747, Korea
Search for more papers by this authorV. Kovtyukh
Odessa Astronomical Observatory, Odessa National University, Park Shevchenko, Odessa, 65014, Ukraine
Search for more papers by this authorC. Soubiran
Observatoire Aquitain des Sciences de l'Univers, CNRS UMR 5804, BP 89, 33270 Floirac, France
Search for more papers by this authorBased on observations obtained at the 2-m telescope of Peak Terskol Observatory – International Center for Astronomical, Medical and Ecological Research, Ukraine and Russia, VLT, IUE, Houte-Provence Observatory 1.88-m telescope.
ABSTRACT
We present chemical abundances in the photosphere of δ Scuti (δ Sct) – a prototype of the class of pulsating variables – determined from the analysis of a spectrum obtained by using the 2-m telescope at the Peak Terskol Observatory and a high-resolution spectrometer with R= 52 000, a signal-to-noise ratio 250 and from International Ultraviolet Explorer spectra. The abundance pattern of δ Sct consists of 49 chemical elements. The abundances of 19 elements have not been investigated previously. The abundances of Pr and Nd obtained from the lines of the second and third spectra are equal. The abundances of heavy elements indicate the overabundances with respect to the solar system values up to 1 dex. The abundance pattern of δ Sct is similar to the abundance patterns of Am–Fm or δ Del type stars.
A splitting of the cores of all clean lines is observed for the spectra of δ Sct and HD 57749. This can signify evidence of non-radial pulsations in these stars.
Supporting Information
Tables 3, 4 and 5. These tables provide a list of the determined abundances for elements derived from the individual lines in the spectra; iron lines in Table 3, lines of other elements, identified in the Peak Terskol Observatory spectrum in Table 4, and lines identified in IUE spectra in Table 5.
Please note: Wiley-Blackwell are not responsible for the content or functionality of any supporting materials supplied by the authors. Any queries (other than missing material) should be directed to the corresponding author for the article.
| Filename | Description |
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| MNR_8921_sm_ST3.pdf37.4 KB | Supporting info item |
| MNR_8921_sm_ST4.pdf64.9 KB | Supporting info item |
| MNR_8921_sm_ST5.pdf34.3 KB | Supporting info item |
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