Publications of the Astronomical Society of the Pacific, Volume 106, Issues 695-702Astronomical Society of the Pacific, 1994 |
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Page 500
... nebula . Weinberger ( 1989b ) uses spatiokinematic models in deriving the expansion velocities of 20 % of the nebulae where such models exist . ( . Vexp ( [ OIII ) ) – Vexp Publications of the Astronomical Society of the Pacific.
... nebula . Weinberger ( 1989b ) uses spatiokinematic models in deriving the expansion velocities of 20 % of the nebulae where such models exist . ( . Vexp ( [ OIII ) ) – Vexp Publications of the Astronomical Society of the Pacific.
Page 503
... nebulae . 0.3 0.2 Small PNe AGB Stars Vexp 0.1 2.5 7.5 12.5 17.5 22.5 27.5 32.5 37.5 42.5 47.5 52.5 57.5 62.5 67.5 72.5 ( km s1 ) 0.0 -1 expl The expansion - velocity distribution of the smallest 25 % of the 244 nebulae having both ...
... nebulae . 0.3 0.2 Small PNe AGB Stars Vexp 0.1 2.5 7.5 12.5 17.5 22.5 27.5 32.5 37.5 42.5 47.5 52.5 57.5 62.5 67.5 72.5 ( km s1 ) 0.0 -1 expl The expansion - velocity distribution of the smallest 25 % of the 244 nebulae having both ...
Page 507
of planetary nebulae until after the ionized radii of the nebulae reach a value larger than about 0.05 pc . It is interesting to note that many of the planetary nebulae with observed molecular and atomic envelopes have significantly ...
of planetary nebulae until after the ionized radii of the nebulae reach a value larger than about 0.05 pc . It is interesting to note that many of the planetary nebulae with observed molecular and atomic envelopes have significantly ...
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abundance additional analysis appear associations assumed Astronomical average binary blue bright calibration catalog central clouds cluster color compared correction derived detection determined discussed distance distribution dwarf eclipse effects emission errors estimate et al evidence evolution field Figure flux frame function galaxies giants given groups included increase indices less light limit lines luminosity magnitude mass mean measured MNRAS nebulae noted objects observations obtained optical orbital PASP period phase photometric pixels position possible present probably quasars range ratio reduced reference region relation relative rotation sample scale scatter secondary shown similar sources spectral spectrum standard stars stellar stellar winds suggests surface survey Table telescope temperature tion University values variability velocity wavelength X-ray