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W 16-185: A Heavily Reddened, Low-Excitation Planetary Nebula

Junichi Noumaru and Katsuo Ogura
Publications of the Astronomical Society of the Pacific
Vol. 105, No. 690 (1993 August), pp. 867-870
Stable URL: http://www.jstor.org/stable/40680125
Page Count: 4
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W 16-185: A Heavily Reddened, Low-Excitation Planetary Nebula
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Abstract

Low-dispersion spectroscopy and narrow-band CCD imaging has been obtained for the planetary nebula (PN) candidate W 16-185 in order to clarify its nature. These data, in particular the emission-line spectrum, lead to the conclusion that it is a heavily reddened, low-excitation PN rather than a compact H ii region. However, the IRAS luminosity and colors of the associated point source are rather unusual for a PN.

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