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young galaxies

Symposium - International Astronomical Union (1)

International Astronomical Union (1)

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Young Giant Elliptical Galaxies: Where are They?
Roberto Terlevich
Journal:

Symposium - International Astronomical Union / Volume 149 / 1992

Published online by Cambridge University Press:

07 August 2017, pp. 271-276

Print publication:

1992
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Recent work have raised the intriguing possibility that the activity seen in most active galactic nuclei (AGN) is powered solely by young stars and supernova remnants in a burst of star formation at the time when the metal rich core of the spheroid of a normal, albeit young galaxy, was formed. The predicted emitted multifrequency spectrum, line width, variability and luminosity function of the young cores of ellipticals, are indistiguishable from those observed in Quasars. Only a small fraction (~5%) of the total mass of elliptical galaxies, the core mass, is needed to explain the observed luminosities and luminosity function of Quasars at z≥2.0.