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 85
Page 125
... function is inherently simple . In fact , the selection function requires an extra independent variable , i.e. , P ( M , z , SED , Var ) , where Var represents a specification of the variability behavior of a quasar . This in turn will ...
... function is inherently simple . In fact , the selection function requires an extra independent variable , i.e. , P ( M , z , SED , Var ) , where Var represents a specification of the variability behavior of a quasar . This in turn will ...
Page 127
... Function The understanding of the evolution of the quasar X - ray luminosity function has been revolutionized by the completion of two surveys : the Extended Medium Sensitivity Survey ( EMSS ) , and very deep ROSAT observations of the ...
... Function The understanding of the evolution of the quasar X - ray luminosity function has been revolutionized by the completion of two surveys : the Extended Medium Sensitivity Survey ( EMSS ) , and very deep ROSAT observations of the ...
Page 640
... function or selective loss of oxygen in galactic winds . They adopt initial mass functions identical to those in the local solar neighborhood , and do not require dramatic mass loss rates . During the low star - formation periods , Type ...
... function or selective loss of oxygen in galactic winds . They adopt initial mass functions identical to those in the local solar neighborhood , and do not require dramatic mass loss rates . During the low star - formation periods , Type ...
Other editions - View all
Common terms and phrases
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