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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


Luminosity and Intrinsic Color Calibration of Main-Sequence Stars With 2Mass Photometry: All Sky Local Extinction

Jens Knude
  • Corresponding author
  • NBIfAFG, Copenhagen University, Juliane Maries Vej 30, DK 2100 København Ø, Denmark
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Claus Fabricius
Published Online: 2017-02-08 | DOI: https://doi.org/10.1515/astro-2017-0073


We present a new color index vs. absolute magnitude calibration of 2MASS JHK photometry. For the A0 to ~G5 and M segments of the main sequence information on the amount of interstellar extinction and its location in space may be obtained.

Keywords: stars; fundamental parameters; 2MASS photometry; calibration ISM; extinction


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About the article

Received: 2003-09-18

Published Online: 2017-02-08

Published in Print: 2003-12-01

Citation Information: Open Astronomy, Volume 12, Issue 4, Pages 508–513, ISSN (Online) 2543-6376, DOI: https://doi.org/10.1515/astro-2017-0073.

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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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