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Millimeter-Wave Astronomy: Molecular Chemistry & Physics in Space pp 237–245Cite as

1.3 MM Dust Continuum Observations of X-Ray Selected T Tauri Stars in Ophiuchus

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Part of the book series: Astrophysics and Space Science Library ((ASSL,volume 241))

Abstract

We present the results of 1.3 mm dust continuum observations for a sample of 18 X-ray selected TTauri stars in the Ophiuchus star forming region performed with the MPIfR 7-channel bolometer array mounted at the IRAM 30 m Millimeter Radio Telescope. We have detected cold dust emission from 3 of the objects and have derived 3σ upper limits (∼21 mJy) for the remaining objects. These upper limits suggest that the disk masses (gas+dust) are less than 5·10−3 M⊙. Complementing our results with those obtained by André & Montmerle (1994) for a sample of 22 X-ray selected T Tauri stars (3 additional detections) we improved the statistical significance of our conclusions. As the frequency of circumstellar disks and the disk properties might be dependent on the selection criteria as well as local conditions, comparison is made with 1.3 mm surveys of Hα selected T Tauri stars in Chamaeleon, Lupus, Ophiuchus, and Taurus-Auriga.

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Author information

Authors and Affiliations

  1. Astronomisches Institut der Universität Würzburg, Am Hubland, D-97074, Würzburg, Germany

    Dieter Nürnberger, Wolfgang Brandner & Harold W. Yorke

Authors
  1. Dieter Nürnberger
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  2. Wolfgang Brandner
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  3. Harold W. Yorke
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Editor information

Editors and Affiliations

  1. INAOE, Tonantzintla, Mexico

    W. F. Wall , A. Carramiñana  & L. Carrasco ,  & 

  2. Cornell University, Ithaca, NY, USA

    P. F. Goldsmith

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© 1999 Springer Science+Business Media Dordrecht

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Nürnberger, D., Brandner, W., Yorke, H.W. (1999). 1.3 MM Dust Continuum Observations of X-Ray Selected T Tauri Stars in Ophiuchus. In: Wall, W.F., Carramiñana, A., Carrasco, L., Goldsmith, P.F. (eds) Millimeter-Wave Astronomy: Molecular Chemistry & Physics in Space. Astrophysics and Space Science Library, vol 241. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4714-9_13

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  • DOI: https://doi.org/10.1007/978-94-011-4714-9_13

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-5983-1

  • Online ISBN: 978-94-011-4714-9

  • eBook Packages: Springer Book Archive

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