SIMBAD references

2013MNRAS.430.2574L - Mon. Not. R. Astron. Soc., 430, 2574-2584 (2013/April-3)

Can a satellite galaxy merger explain the active past of the Galactic Centre?

LANG M., HOLLEY-BOCKELMANN K., BOGDANOVIC T., AMARO-SEOANE P., SESANA A. and SINHA M.

Abstract (from CDS):

Observations of the Galactic Centre (GC) have accumulated a multitude of `forensic' evidence indicating that several million years ago the centre of the Milky Way galaxy was teeming with star formation and accretion-powered activity - this paints a rather different picture from the GC as we understand it today. We examine a possibility that this epoch of activity could have been triggered by the infall of a satellite galaxy into the Milky Way which began at the redshift of z = 8 and ended a few million years ago with a merger of the Galactic supermassive black hole with an intermediate-mass black hole brought in by the inspiralling satellite.

Abstract Copyright: © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2013)

Journal keyword(s): Galaxy: centre - Galaxy: kinematics and dynamics - Galaxy: nucleus - galaxies: interactions

Simbad objects: 7

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