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X-Ray Study of Ultraluminous Infrared Galaxies: ASCA Results of IRAS20551-4250 and IRAS23128-5919

Published online by Cambridge University Press:  25 May 2016

K. Misaki ,
Y. Terashima ,
H. Watarai ,
H. Kunieda ,
K. Iwasawa  and
Y. Taniguchi
K. Misaki
Affiliation:
Dept. of Physics, Nagoya University, Japan
Y. Terashima
Affiliation:
Dept. of Physics, Nagoya University, Japan
H. Watarai
Affiliation:
Dept. of Physics, Nagoya University, Japan
H. Kunieda
Affiliation:
Dept. of Physics, Nagoya University, Japan
K. Iwasawa
Affiliation:
Institute for Astronomy, Cambridge, UK
Y. Taniguchi
Affiliation:
Astronomical Institute, Tohoku University, Japan

Extract

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We observed two ULIRGs, IRAS 20551–4250 and IRAS 23128–5919 with the X-ray satellite ASCA. Both of them are merger, 100μm bright galaxies with LIR ~ 1012L⊙ and have a “warm” IRAS color (25μm/100μm ≥ 0.2), so the presence of an AGN would be expected.

Type
Nuclear Activity
Information
Symposium - International Astronomical Union , Volume 186: Galaxy Interactions at High and Low Redshift , 1999 , pp. 360
Copyright
Copyright © Kluwer 1999