A newly identified planetary nebula in Aquila

Details A newly identified planetary nebula in Aquila A newly identified planetary nebula in Aquila

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...196..233l&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 196, no. 1-2, May 1988, p. 233-235.

Astronomy and Astrophysics

Astrophysics

1

Astronomical Spectroscopy, Line Spectra, Planetary Nebulae, Spectrum Analysis, Emission Spectra, Forbidden Transitions, H Alpha Line, H Beta Line

Scientific paper

Spectroscopic data based on observations collected at Mount Stromlo Observatory, Australia, and ESO, Chile, on a newly identified planetary nebula in Aquila, LSA 1, are presented. The nebula is very faint. In addition to the basic data and the finding chart for the nebula, line measurements, obtained for H-beta, H-alpha, and He II and for forbidden O III and N II emission lines, are shown. The ratio O III forbidden emission line/H-beta greater than 20 and the presence of He II indicates a high excitation class (higher than about 5).

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