Publications of the Astronomical Society of the Pacific, Volume 106, Issues 695-702Astronomical Society of the Pacific, 1994 |
From inside the book
Results 1-3 of 33
Page 500
... ionized and neutral expansion velocities for the nebulae with detected circumnebular neutral shells . It is found that compact planetary nebulae with ionized radii less than about 0.05 pc show a distribution of expansion velocities ...
... ionized and neutral expansion velocities for the nebulae with detected circumnebular neutral shells . It is found that compact planetary nebulae with ionized radii less than about 0.05 pc show a distribution of expansion velocities ...
Page 505
... ionized compo- nents is consistent with the results of the comparison be- TABLE 2 Expansion Velocities of J = 2-1 CO Emission and Ionized Gas in PNe Aver exp ( CO ) km s- -1 tween expansion velocities and ionized linear radius ( above ) ...
... ionized compo- nents is consistent with the results of the comparison be- TABLE 2 Expansion Velocities of J = 2-1 CO Emission and Ionized Gas in PNe Aver exp ( CO ) km s- -1 tween expansion velocities and ionized linear radius ( above ) ...
Page 506
... ionized shell of planetary nebula y ( MAGB / U exp ( AGB ) exp ( PN ) -2M AGBU exp ( PN ) exp ( PN ) + M AGBU exp ( AGB ) U exp ( PN ) = 3M PNNU exp ( PNN ) , where MAGB and Vexp ( AGB ) are the mass - loss rate and expansion velocity ...
... ionized shell of planetary nebula y ( MAGB / U exp ( AGB ) exp ( PN ) -2M AGBU exp ( PN ) exp ( PN ) + M AGBU exp ( AGB ) U exp ( PN ) = 3M PNNU exp ( PNN ) , where MAGB and Vexp ( AGB ) are the mass - loss rate and expansion velocity ...
Other editions - View all
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