Refining Orbits of Bright Binary Systems

А. С. Мирошниченко

doi:10.3390/galaxies11010008

2022-12-31

DOI：10.3390/galaxies11010008

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摘要

En 中文

We obtained spectra of several bright binary systems (zeta 02 UMa, 2 Lac, and phi Aql), which were mostly observed with photographic plates and whose orbits were not determined very accurately. Each system was monitored for a few years with the 81-cm telescope equipped with an echelle spectrograph at the Three College Observatory in North Carolina. The spectra were taken in a wavelength range between 4000 and 7900 angstrom with a spectral resolution of R similar to 12,000. Radial velocity measurements were done using cross-correlation in selected spectral regions or by measuring positions of individual spectral lines. Refined orbits and stellar parameters are presented.

Keyword:

spectroscopy

binary system

stars

期刊

Galaxies

IF:

3.8

论文数:

829

被引数:

2.1K

机构

university of north carolina

学者数:

7.4W

论文数: 6.5W

被引数: 93

university of north carolina greensboro

学者数:

1.8K

论文数: 1.6K

被引数: 2

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