The Excitation and Kinematics of H2 in BD+30°3639: A UV Perspective

Details The Excitation and Kinematics of H2 in BD+30°3639: A UV Perspective The Excitation and Kinematics of H2 in BD+30°3639: A UV Perspective

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..313..347d&link_type=abstract

Asymmetrical Planetary Nebulae III: Winds, Structure and the Thunderbird, Proceedings of the conference held 28 July - 1 August

Astronomy and Astrophysics

Astronomy

4

Scientific paper

Most studies of H2 in planetary nebulae are based on observations of near-IR emission lines from excited vibrational levels populated by shocks and/or UV radiation. When the line of sight to a UV-bright central star passes through a translucent molecular layer, the H2 can also be observed via absorption lines, with FUSE for v = 0, 1 and with HST for v ≥ 2. We present a case-study of the PN BD+30°3639, which displays an extremely rich absorption spectrum and offers a detailed look at photo-excited H2 near a PN central star.

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