Publications of the Astronomical Society of the Pacific, Volume 106, Issues 695-702Astronomical Society of the Pacific, 1994 |
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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 ...
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abundance additional analysis appear associations assumed Astronomical average binary blue bright calibration catalog central clouds cluster color compared correction derived detection determined discussed distance distribution dwarf eclipse effects emission errors estimate et al evidence evolution field Figure flux frame function galaxies giants given groups included increase indices less light limit lines luminosity magnitude mass mean measured MNRAS nebulae noted objects observations obtained optical orbital PASP period phase photometric pixels position possible present probably quasars range ratio reduced reference region relation relative rotation sample scale scatter secondary shown similar sources spectral spectrum standard stars stellar stellar winds suggests surface survey Table telescope temperature tion University values variability velocity wavelength X-ray