Figure 4 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 4.

Spectrum of a z = 3.12 Lyα emitting galaxy in the field of M83, compared to that of a normal planetary of similar brightness. Note the absence of [O iii] λ4959 and the broad, asymmetric line profile. No other lines are present in the spectrum. The object is among the brightest Lyα galaxies yet discovered.

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