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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

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Volume 12, Issue 4


Near-Infrared Colors of Carbon Stars in Cygnus

A. Alksnis
  • Corresponding author
  • Institute of Astronomy, University of Latvia, Raina bulv. 19, Riga LV-1586, Latvia
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Z. Alksne
Published Online: 2017-02-08 | DOI: https://doi.org/10.1515/astro-2017-0090


The J-H, H-K diagram based on the 2MASS Sky Survey for 140 carbon stars in Cygnus, which have been photometrically monitored with the Baldone Schmidt telescope, is discussed.

Keywords: stars; carbon; variables


  • Alksnis A. 2003, Baltic Astronomy, 12, 595 (these proceedings)Google Scholar

  • Cutri R. M, Skrutskie M. F., van Dyk S. et al. 2003, 2MASS All-Sky Catalog of Point Sources, VizieR on-line data catalog: II/246.Google Scholar

About the article

Received: 2003-10-15

Published Online: 2017-02-08

Published in Print: 2003-12-01

Citation Information: Open Astronomy, Volume 12, Issue 4, Pages 616–617, ISSN (Online) 2543-6376, DOI: https://doi.org/10.1515/astro-2017-0090.

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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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