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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absorption abundance accretion analysis asteroids astrometry Astronomical Society binary bright calibration catalog central star chromospheric clouds color comets correction derived detection detector diagram disk distribution eclipse emission errors estimate evolution expansion velocities Fe/H field flux frame function galactic galaxies GCLF giant branch globular clusters H II regions Hyades indices infrared ionized km s¹ light curve lines luminosity magnitude main sequence main-sequence mass measured MNRAS objects observations Observatory obtained open clusters optical orbital parameters PASP period phase photometric pixels planetary nebulae plotted quasars radial velocities radius range ratio red giants reddening redshift region residuals rotation sample scale scatter secondary solar sources spectral type spectroscopic spectrum standard stellar subgiant survey Table telescope temperature tion turnoff values variability wavelength white dwarf width X-ray XX Vir