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Open Astronomy

formerly Baltic Astronomy

Editor-in-Chief: Barbuy, Beatriz


IMPACT FACTOR 2018: 0.350

CiteScore 2018: 0.24

SCImago Journal Rank (SJR) 2018: 0.202
Source Normalized Impact per Paper (SNIP) 2018: 0.144

ICV 2017: 121.03

Open Access
Online
ISSN
2543-6376
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Volume 12, Issue 4

Issues

Some Photometric Characteristics of Population II Orbital Visual Binary Stars

A. Bartkevičius
  • Corresponding author
  • Institute of Theoretical Physics and Astronomy, Vilnius University, Goštauto 12, Vilnius, LT-01108, Lithuania Lithuania
  • Department of Theoretical Physics, Vilnius Pedagogical University, Studentų 39, Vilnius, LT-08106, Lithuania
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ A. Gudas
  • Institute of Theoretical Physics and Astronomy, Vilnius University, Goštauto 12, Vilnius, LT-01108, Lithuania
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2017-02-08 | DOI: https://doi.org/10.1515/astro-2017-0091

Abstract

A MV ,B−V diagram for metal-deficient, kinematically selected thick disk and halo visual binary stars with known orbits is presented. The magnitude differences Δm between the components are analyzed.

Keywords: stars; binaries; visual; stars; fundamental parameters; HR diagram; stars; Population II

References

  • Bartkevičius A. 1999, Catalog of the Mean [Fe/H] Values of Population II F-M Stars, in preparationGoogle Scholar

  • Bartkevičius A., Gudas A. 2001, Baltic Astronomy, 10, 481Google Scholar

  • Bartkevičius A., Gudas A. 2002, Baltic Astronomy, 11, 153Google Scholar

  • ESA 1997, The Hipparcos and Tycho Catalogues, SP-1200, ESAGoogle Scholar

  • Grenon M. 1987, J. Astrophys. Astron., 8, 123Google Scholar

  • Mason B.D., Wycoff G. L. 2003, The Second Photometric Magnitude Difference Catalog, U.S. Naval ObservatoryGoogle Scholar

  • van Altena W. F., Lee J.T., Hoffleit E. D. 1995. The General Catalogue of Trigonometric Stellar Parallaxes, 4th edition, Yale University Observatory, CDS Catalog I/238AGoogle Scholar

About the article

Received: 2003-11-20

Published Online: 2017-02-08

Published in Print: 2003-12-01


Citation Information: Open Astronomy, Volume 12, Issue 4, Pages 618–621, ISSN (Online) 2543-6376, DOI: https://doi.org/10.1515/astro-2017-0091.

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© 2017. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. BY-NC-ND 4.0

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