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Dynamics of the Collimated Outflows of the PPN Hen 3–1475

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Post-AGB Objects as a Phase of Stellar Evolution

Part of the book series: Astrophysics and Space Science Library ((ASSL,volume 265))

Abstract

Hen 3–1475 has recently been identified via ground-based and HST optical images as a bipolar proto-planetary nebula displaying a remarkable highly-collimated optical jet and a spectacular S-shaped string of knots along its bipolar axis, associated to extremely high velocities which decrease with the distance to the central star.

We present new long-slit high resolution spectroscopy of the highly collimated regions of Hen 3–1475. The high-dispersion spectra are used together with the high angular resolution images obtained with HST WFPC2 to provide a comprehensive picture of the complex structure and kinematics of the shocked-excited emission and the dust-scattered emission in this proto-planetary nebula. The overall picture supports a temporal and angular variability of the jet ejection.

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Authors and Affiliations

  1. Departament de Física i Enginyeria Nuclear, Universitat Politècnica de Catalunya, Av. Víctor Balaguer s/n, E-08800, Vilanova i la Geltrú, Spain

    Angels Riera

  2. Astrophysics Division. Space Science Department of ESA, ISO Data Centre, Villafranca del Castillo, Ap. de Correos 50727, E-28080, Madrid, Spain

    Pedro García-Lario

  3. Instituto de Astrofísica de Canarias, E-38200, La Laguna, Spain

    Arturo Manchado

  4. Challenger Center for Space Science Education, 1250 North Pitt Street, Alexandria, VA, 22314, USA

    Matthew Bobrowsky

Authors
  1. Angels Riera
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  2. Pedro García-Lario
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  3. Arturo Manchado
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  4. Matthew Bobrowsky
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Editor information

Editors and Affiliations

  1. Nicolaus Copernicus Astronomical Center, Toruń, Poland

    Ryszard Szczerba  & Sławomir K. Górny  & 

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© 2001 Springer Science+Business Media Dordrecht

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Riera, A., García-Lario, P., Manchado, A., Bobrowsky, M. (2001). Dynamics of the Collimated Outflows of the PPN Hen 3–1475. In: Szczerba, R., Górny, S.K. (eds) Post-AGB Objects as a Phase of Stellar Evolution. Astrophysics and Space Science Library, vol 265. Springer, Dordrecht. https://doi.org/10.1007/978-94-015-9688-6_32

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  • DOI: https://doi.org/10.1007/978-94-015-9688-6_32

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-5758-7

  • Online ISBN: 978-94-015-9688-6

  • eBook Packages: Springer Book Archive

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