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Triggered Starbursts in Galaxy Mergers

Published online by Cambridge University Press:  25 May 2016

Y. Taniguchi ,
Y. Shioya ,
T. Murayama  and
K. Wada
Y. Taniguchi
Affiliation:
Astronomical Institute, Tohoku University, Aramaki, Aoba, Sendai 980-77, JAPAN
Y. Shioya
Affiliation:
Astronomical Institute, Tohoku University, Aramaki, Aoba, Sendai 980-77, JAPAN
T. Murayama
Affiliation:
Astronomical Institute, Tohoku University, Aramaki, Aoba, Sendai 980-77, JAPAN
K. Wada
Affiliation:
National Astronomical Observatory of Japan, Osawa 2-21-1, Mitaka 181, JAPAN

Abstract

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A unified formation mechanism of nuclear starbursts is presented; all the nuclear starbursts are triggered by binary supermassive black holes made in the final phase of galaxy mergers. Minor mergers cause both nuclear starbursts and hot-spot nuclei while major mergers cause (ultra) luminous infrared galaxies. We discuss the case of Arp 220 in detail.

Type
Nuclear Activity
Information
Symposium - International Astronomical Union , Volume 186: Galaxy Interactions at High and Low Redshift , 1999 , pp. 307 - 310
Copyright
Copyright © Kluwer 1999 

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