The emission nebula surrounding CPD - 59 deg 2661 in the Carina nebula (NGC 3372)

Details The emission nebula surrounding CPD - 59 deg 2661 in the Carina nebula (NGC 3372) The emission nebula surrounding CPD - 59 deg 2661 in the Carina nebula (NGC 3372)

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...138..380w&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 138, no. 2, Sept. 1984, p. 380-384.

Astronomy and Astrophysics

Astrophysics

6

Early Stars, Emission Spectra, Hydrogen Clouds, Nebulae, Stellar Winds, Astronomical Spectroscopy, H Alpha Line, High Dispersion Spectrographs, Stellar Spectra

Scientific paper

An ionised knot with a filament extending from it has been found on an [S II] plate of the Carina nebula (NGC 3372), and high and low dispersion spectra of this region are presented. The knot surrounds the early-type star CPD -59°2661 here classified as O9.5 V, and the filament is most probably an ionisation front. The Hα emission line shows a velocity splitting of ≡25 km s-1 over the star. Positive and negative velocity wings to ≡150 km s-1 are found, which are spatially extended on scales up to at least ≡2 pc. These high velocity features are probably related to a stellar wind bubble or bubbles.

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