Journal Article

Multiple clump structures within photoionized regions

A. C. Raga, W. Henney, J. Vasconcelos, A. Cerqueira, A. Esquivel and A. Rodríguez-González

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 392, issue 3, pages 964-968
Published in print January 2009 | ISSN: 0035-8711
Published online January 2009 | e-ISSN: 1365-2966 | DOI:
Multiple clump structures within photoionized regions

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We present 3D simulations of a system of four neutral clumps embedded in a photoionized region. In this system, we have three small clumps which partially shield a single, larger clump from the stellar ionizing photons. This flow evolves to form a neutral structure with a main body and three neutral ‘columns’ pointing towards the central star. Qualitatively, similar structures are seen in the ‘Finger’ of the Carina Nebula.

Keywords: ISM: globules; H ii regions; ISM: individual: NGC 3372; ISM: kinematics and dynamics

Journal Article.  3661 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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