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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

Classification of Metal-Deficient Dwarfs in the Vilnius Photometric System

R. Lazauskaitė
  • Corresponding author
  • Department of Theoretical Physics, Vilnius Pedagogical University, Studentų 39, Vilnius, LT-08106, Lithuania Lithuania
  • Institute of Theoretical Physics and Astronomy, Vilnius University, Goštauto 12, Vilnius, LT-01108, Lithuania
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ A. Bartkevičius
  • 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
/ S. Bartašiūtė
  • Astronomical Observatory of Vilnius University, Čiurlionio 29, Vilnius, LT-03100, Lithuania Lithuania
  • 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-2017-0079

Abstract

Methods used for the quantitative classification of metal-deficient stars in the Vilnius photometric system are reviewed. We present a new calibration of absolute magnitudes for dwarfs and subdwarfs, based on Hipparcos parallaxes. The new classification scheme is applied to a sample of Population II visual binaries.

Keywords: techniques; photometric; stars; fundamental parameters (classification); stars; Population II

References

  • Bartkevičius A. 2000. Lists of suspected Population II binary stars (unpublished)Google Scholar

  • Bartkevičius A., Lazauskaitė R. 1996, Baltic Astronomy, 5, 1Google Scholar

  • Bartkevičius A., Sperauskas J. 1983, Bull. Vilnius Obs., No. 63, 3Google Scholar

  • ESA 1997, The Hipparcos and Tycho Catalogues (ESA SP-1200)Google Scholar

  • Kazlauskas A. 2003, Photometric Catalog of Stars Observed in the Vilnius System (Supplement), private communicationGoogle Scholar

  • Lazauskaitė R. 1995, Baltic Astronomy, 4, 48Google Scholar

  • Straižys V., Kazlauskas A. 1993, General Photometric Catalog of Stars Observed in the Vilnius System, Baltic Astronomy, 2, 1Google Scholar

  • Tautvaišienė G. 1987, Bull. Vilnius Obs., 78, 3Google Scholar

  • Tautvaišienė G., Lazauskaitė R. 1993, Baltic Astronomy, 2, 256Google Scholar

About the article

Received: 2003-11-03

Published Online: 2017-02-08

Published in Print: 2003-12-01


Citation Information: Open Astronomy, Volume 12, Issue 4, Pages 547–554, ISSN (Online) 2543-6376, DOI: https://doi.org/10.1515/astro-2017-0079.

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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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