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Age Spread in Galactic Star Forming Region W3 Main

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Book cover The Labyrinth of Star Formation

Part of the book series: Astrophysics and Space Science Proceedings ((ASSSP,volume 36))

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Abstract

We present near-infrared JHKs imaging as well as K-band multi-object spectroscopy of the massive stellar content of W3 Main using LUCI at the LBT. We confirm 13 OB stars by their absorption line spectra in W3 Main and spectral types between O5V and B4V have been found. Three massive Young Stellar Objects are identified by their emission line spectra and near-infrared excess. From our spectrophotometric analysis of the massive stars and the nature of their surrounding HII regions we derive the evolutionary sequence of W3 Main and we find an age spread of 2–3 Myr.

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Author information

Authors and Affiliations

  1. Max-Planck-Institut für Astronomie, Königstuhl 17, D-69117, Heidelberg, Germany

    Arjan Bik, Thomas Henning, Wolfgang Brandner, Mario Gennaro, Boyke Rochau, Henrik Beuther & Natalia Kudryavtseva

  2. Argelander Institut für Astronomie, Auf dem Hügel 71, 53121, Bonn, Germany

    Andrea Stolte

  3. Institut für Theoretische Astrophysik, Zentrum für Astronomie der Universität Heidelberg, Albert-Ueberle-Str. 2, 69120, Heidelberg, Germany

    Dimitrios A. Gouliermis

  4. Astronomisches Rechen Institut, Zentrum für Astronomie der Universität Heidelberg, Mönchhofstrasse 12–14, 69120, Heidelberg, Germany

    Anna Pasquali

  5. Max-Planck-Institut für extraterrestrische Physik, 85748, Garching, Germany

    Nancy Ageorges

  6. Landessternwarte Königstuhl, Zentrum für Astronomie Heidelberg, 69117, Heidelberg, Germany

    Walter Seifert

  7. Purple Mountain Observatory, Chinese Academy of Sciences, 210008, Nanjing, People’s Republic of China

    Yuan Wang

Authors
  1. Arjan Bik
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  2. Thomas Henning
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  3. Andrea Stolte
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  4. Wolfgang Brandner
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  5. Dimitrios A. Gouliermis
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  6. Mario Gennaro
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  7. Anna Pasquali
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  8. Boyke Rochau
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  9. Henrik Beuther
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  10. Nancy Ageorges
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  11. Walter Seifert
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  12. Yuan Wang
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  13. Natalia Kudryavtseva
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Corresponding author

Correspondence to Arjan Bik .

Editor information

Editors and Affiliations

  1. Jeremiah Horrocks Institute for Mathematics, Physics and Astronomy, University of Central Lancashire, Preston, United Kingdom

    Dimitris Stamatellos

  2. Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom

    Simon Goodwin

  3. Jeremiah Horrocks Institute for Mathematics, Physics and Astronomy, University of Central Lancashire, Preston, United Kingdom

    Derek Ward-Thompson

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© 2014 Springer International Publishing Switzerland

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Bik, A. et al. (2014). Age Spread in Galactic Star Forming Region W3 Main. In: Stamatellos, D., Goodwin, S., Ward-Thompson, D. (eds) The Labyrinth of Star Formation. Astrophysics and Space Science Proceedings, vol 36. Springer, Cham. https://doi.org/10.1007/978-3-319-03041-8_78

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