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періодичних видань НАН України
періодичних видань НАН України
Spectral investigations of CM Draconis - new results
Репозиторій DSpace/Manakin
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Spectral investigations of CM Draconis - new results
Посилання:
Spectral investigations of CM Draconis - new results / M.K. Kuznetsov, Ya.V. Pavlenko, H.R.A. Jones, D.J. Pinfield // Advances in Astronomy and Space Physics. — 2012. — Т. 2., вип. 1. — С. 15-16. — Бібліогр.: 13 назв. — англ.
Підтримка:
We acknowledge funding by EU PF7 Marie Curie Initial Training Networks (ITN) ROPACS project (GA N 213646). The authors are grateful to James Frith (University of Hertfordshire) for assistance.
Дата:
2012
Переглядів:
691
Завантажень:
211
Анотація:
CM Draconis is spectroscopic and eclipsing binary system that consists of two nearly identical M dwarfs. The masses and radii for the components are known with high accuracy. The period of the system is P = 1.268 day. In the course of this work we used 29 medium resolution (R = 47, 000) echelle spectra of CM Dra which were obtained at several different orbital phases at the 4.2-m William Herschel Telescope. We calculated synthetic spectra for a region of Nai 8185 Å, Nai 8197 Å and RbI 7818 Å lines and fitted the spectra for all of the orbital phases. We refined the effective temperature and metallicity of the system components, using similarity function (S function) of the observed and synthetic spectra for different phases.
