Publications of the Astronomical Society of the Pacific, Volume 106, Issues 695-702Astronomical Society of the Pacific, 1994 |
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Page 106
... distance from a low of 8500 K to a high of 10,000 K over the inner 4.5 arcmin of the nebula . A gradient in T ( Bac ) is found which decreases with distance from a high of 8000 K to a low of 3000 K. - -3 cm -3 Density gradients for S ...
... distance from a low of 8500 K to a high of 10,000 K over the inner 4.5 arcmin of the nebula . A gradient in T ( Bac ) is found which decreases with distance from a high of 8000 K to a low of 3000 K. - -3 cm -3 Density gradients for S ...
... distance determination for PNe is a major problem . The traditional way to derive distances is through the Shklovskii ... distance determination has led to an emphasis on individual distance determinations ( Gathier 1984 , 1987 ) . The ...
Page 786
... Distances A contribution to the perennial problem of determining supernova remnant distances was made by Kassim . A knowledge of the distance to a supernova remnant is necessary for just about any astrophysical inference , but credible ...
... Distances A contribution to the perennial problem of determining supernova remnant distances was made by Kassim . A knowledge of the distance to a supernova remnant is necessary for just about any astrophysical inference , but credible ...
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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