Investigating the Near-Infrared Properties of Planetary Nebulae. I. Narrowband Images

Details Investigating the Near-Infrared Properties of Planetary Nebulae. I. Narrowband Images Investigating the Near-Infrared Properties of Planetary Nebulae. I. Narrowband Images

1995-08-03

arxiv.org/abs/astro-ph/9508011v1

Astronomy and Astrophysics

Astrophysics

21 pages text+tables and 38 figures, full preprint available at http://www.cv.nrao.edu/html/library/nrao_preprints.html, repor

Scientific paper

10.1086/192213

We present the results of a near-infrared narrowband imaging survey of planetary nebulae. Objects were selected in a way that complements similar surveys done at visible and near-infrared wavelengths. No new detections of molecular hydrogen emission were made. The H2 is frequently found to be extended, except in young, visibly compact objects. Our results are consistent with the already determined correlation of H2 emission with planetary nebula morphological type. Filamentary and other kinds of structures are clearly resolved in many nebulae.

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