Do all bright elliptical galaxies have active nuclei?
The evidence is noted that (1) a flux density limited complete sample of X-ray emitting BL Lac type sources is now available from Schwartz and Ku (1983), that (2) the radio through X-ray emission of BL Lac type sources is most easily interpreted as nonthermal emission from a relativistically boosted jet pointed close to the line of sight and that
Perez-Fournon, I. et al.
Fecha de publicación:
1
1984