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 84
Page 115
... flux - limited surveys . 2.1 Absolute Magnitudes and Luminosities The division in absolute blue magnitude between quasars and the lower - luminosity population of active galactic nuclei ( AGN ) is usually taken by astronomers working at ...
... flux - limited surveys . 2.1 Absolute Magnitudes and Luminosities The division in absolute blue magnitude between quasars and the lower - luminosity population of active galactic nuclei ( AGN ) is usually taken by astronomers working at ...
Page 304
... flux . Observations in eight clusters and moving groups , including NGC 752 , imply that a discontinuity is not present in the rate of decline of the chromospheric flux , a conclusion which carries over into an analysis of the field ...
... flux . Observations in eight clusters and moving groups , including NGC 752 , imply that a discontinuity is not present in the rate of decline of the chromospheric flux , a conclusion which carries over into an analysis of the field ...
Page 571
... fluxes reported in Paper I and the red fluxes presented here are two sets of independent observations . In order to compare the two data sets , we have computed for each star the blue / red flux ratio in the wavelength region in common ...
... fluxes reported in Paper I and the red fluxes presented here are two sets of independent observations . In order to compare the two data sets , we have computed for each star the blue / red flux ratio in the wavelength region in common ...
Other editions - View all
Common terms and phrases
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