Figure 3 from Planetary Nebulae in Face-On Spiral Galaxies. II. Planetary Nebula Spectroscopy

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Planetary Nebulae in Face-On Spiral Galaxies. II. Planetary Nebula Spectroscopy

Authors: Kimberly A. Herrmann and Robin Ciardullo

HERRMANN & CIARDULLO 2009 The Astrophysical Journal 703 894.

Provider: AAS Journals

Caption: Figure 3.

Two examples of a PN spectrum corrected for contamination from a low-excitation object. In both cases, the [O iii] lines are initially double-peaked; after the velocity of Hβ is used to subtract the field emission, the line profiles become consistent with that of the instrument's PSF.

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