Publications of the Astronomical Society of the Pacific, Volume 106, Issues 695-702Astronomical Society of the Pacific, 1994 |
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Page 128
... evolution parameter , k , such that , k'k - e ( a ) , where k ' is the inferred value of the evolution parameter . Alternatively , note that reaching 0.6 mag fainter into the bright end of the quasar luminosity function , where N ( L ) ...
... evolution parameter , k , such that , k'k - e ( a ) , where k ' is the inferred value of the evolution parameter . Alternatively , note that reaching 0.6 mag fainter into the bright end of the quasar luminosity function , where N ( L ) ...
Page 344
... evolution of planetary nebulae is reviewed . We now recognize that a planetary nebula represents a dynamical system in which evolution is tightly coupled to the evolution of the central star . Not only is the ionization structure of the ...
... evolution of planetary nebulae is reviewed . We now recognize that a planetary nebula represents a dynamical system in which evolution is tightly coupled to the evolution of the central star . Not only is the ionization structure of the ...
Page 351
... evolution . 13. PLANETARY NEBULAE AS DYNAMICAL SYSTEMS We now recognize that a PN is a dynamical system whose nebular evolution is closely coupled to the evolution of the central star . The existence of a planetary nebula depends on the ...
... evolution . 13. PLANETARY NEBULAE AS DYNAMICAL SYSTEMS We now recognize that a PN is a dynamical system whose nebular evolution is closely coupled to the evolution of the central star . The existence of a planetary nebula depends on the ...
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Common terms and phrases
absorption abundance accretion analysis asteroids 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 pixel 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 stellar winds subgiant survey Table telescope temperature tion turnoff values variability wavelength white dwarf width X-ray XX Vir