Line profiles from the ionized and neutral gas in the peculiar nebula NGC 6302

Details Line profiles from the ionized and neutral gas in the peculiar nebula NGC 6302 Line profiles from the ionized and neutral gas in the peculiar nebula NGC 6302

Nov 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977mnras.181..499e&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 181, Nov. 1977, p. 499-507. Research sponsored by the Science Research

Astronomy and Astrophysics

Astronomy

11

Astronomical Spectroscopy, H Alpha Line, Ionized Gases, Nebulae, Neutral Gases, Fabry-Perot Spectrometers, Gas Flow, Nitrogen, Oxygen Spectra, Stellar Winds

Scientific paper

The line profiles of H-alpha and forbidden N II from the ionized material, and forbidden O I from the neutral gas, are presented for many positions over the peculiar nebula NGC 6302. These were obtained with an insect-eye Fabry-Perot spectrograph on the 150-inch Anglo-Australian telescope. Neutral, as well as ionized material, appears to be flowing from the core of the nebula. Moreover, this central region is shown to have a value of an electron temperature of 26,700 + or 2000 K, which indicates collisional excitation. It is suggested that an energetic stellar wind, from a hidden embedded star, could produce many of the effects observed.

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