Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...311..632w&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 311, Dec. 15, 1986, p. 632-636.
Astronomy and Astrophysics
Astrophysics
44
Diameters, Magellanic Clouds, Planetary Nebulae, Speckle Interferometry, Angular Distribution, Astronomical Spectroscopy, H Beta Line, Ionization Cross Sections, Mass Distribution, Radiant Flux Density
Scientific paper
Speckle interferometric angular diameters of Magellanic Cloud planetary nebulae are presented. The mass of ionized gas in each nebula has been derived from the angular diameter and published H-beta line fluxes; the derives masses range from less than 0.006 to more than 0.19 solar mass. The planetary nebulae observed were the brightest in the Magellanic Clouds; consequently, they are all relatively small, young, bright, and dense. They are almost certainly only partially ionized, so that the masses derived for the ionized parts of the nebula are lower limits to the total nebula mass. The properties of the Magellanic Cloud nebulae are compared with those of planetary nebulae at the galactic center.
Bessell Michael S.
Dopita Mike A.
Wood Peter R.
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