Galaxy formation and evolution

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The Atlas3D project - VII. A new look at the morphology of nearby galaxies: the kinematic morphology-density relation

(2011)

Authors:

Michele Cappellari, Eric Emsellem, Davor Krajnovic, Richard M McDermid, Paolo Serra, Katherine Alatalo, Leo Blitz, Maxime Bois, Frederic Bournaud, M Bureau, Roger L Davies, Timothy A Davis, PT de Zeeuw, Sadegh Khochfar, Harald Kuntschner, Pierre-Yves Lablanche, Raffaella Morganti, Thorsten Naab, Tom Oosterloo, Marc Sarzi, Nicholas Scott, Anne-Marie Weijmans, Lisa M Young
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Discovery of an AGN-Driven Molecular Outflow in the Local Early-Type Galaxy NGC 1266

(2011)

Authors:

Katherine Alatalo, Leo Blitz, Lisa M Young, Timothy A Davis, Martin Bureau, Laura A Lopez, Michele Cappellari, Nicholas Scott, Kristen L Shapiro, Alison F Crocker, Sergio Martin, Maxime Bois, Frederic Bournaud, Roger L Davies, PT de Zeeuw, Pierre-Alain Duc, Eric Emsellem, Jesus Falcon-Barosso, Sadegh Khochfar, Davor Krajnovic, Harald Kuntschner, Pierre Yves Lablanche, Richard M McDermid, Raffaella Morganti, Thorsten Naab, Tom Oosterloo, Marc Sarzi, Paolo Serra, Anne-Marie Weijmans
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Observable Signatures of EMRI Black Hole Binaries Embedded in Thin Accretion Disks

(2011)

Authors:

Bence Kocsis, Nicolas Yunes, Abraham Loeb
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The Planetary Nebulae Population in the Central Regions of M32: the SAURON view

(2011)

Authors:

Marc Sarzi, Gary Mamon, Michele Cappellari, Eric Emsellem, Roland Bacon, Roger L Davies, P Tim de Zeeuw
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Exploring the nature of the brightest hyper-luminous X-ray source

Astronomische Nachrichten 332:4 (2011) 392-397

Authors:

SA Farrell, M Servillat, K Wiersema, D Barret, O Godet, I Heywood, TJ Maccarone, SR Oates, B Plazolles, NA Webb

Abstract:

The small subset of hyper-luminous X-ray sources with luminosities in excess of ~1041 erg s-1 are hard to explain without the presence of an intermediate mass black hole, as significantly super-Eddington accretion and/or very small beaming angles are required. The recent discovery of HLX-1, the most luminous object in this class with a record breaking luminosity of ~1042 erg s-1 in the galaxy ESO 243-49, therefore currently provides some of the strongest evidence for the existence of intermediate mass black holes. HLX-1 is almost an order of magnitude brighter than the other hyperluminous sources, and appears to exhibit X-ray spectral and flux variability similar to Galactic stellar mass black hole X-ray binaries. In this paper we review the current state of knowledge on this intriguing source and outline the results of multi-wavelength studies from radio to ultra-violet wavelengths, including imaging and spectroscopy of the recently identified optical counterpart obtained with the Very Large Telescope. These results continue to support an intermediate mass black hole in excess of 500 M⊙. © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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