Editors: Pau Amaro-Seoane & Bernard Schutz
The last GW Note is by Jonathan Thornburg

On the determination of the spin of the black hole in Cyg X-1 from X-ray reflection spectra

April 27th, 2012

arXiv:1204.5854

by Fabian, A. C. and Wilkins, D. R. and Miller, J. M. and Reis, R. C. and Reynolds, C. S. and Cackett, E. M. and Nowak, M. A. and Pooley, G. G. and Pottschmidt, K. and Sanders, J. S. and Ross, R. R. and Wilms, J.
7 pages, 10 figures, MNRAS in press

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On the hunt for ultramassive black holes in brightest cluster galaxies

April 27th, 2012

arXiv:1204.5759

by Hlavacek-Larrondo, J. and Fabian, A. C. and Edge, A. C. and Hogan, M. T.
9 pages, 3 figures, accepted for publication in MNRAS

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A Monte Carlo Markov Chain based investigation of black hole spin in the active galaxy NGC3783

April 27th, 2012

arXiv:1204.5747

by Reynolds, C. S. and Brenneman, L. W. and Lohfink, A. M. and Trippe, M. L. and Miller, J. M. and Fabian, A. C. and Nowak, M. A.
Submitted to the Astrophysical Journal

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Models of cuspy triaxial stellar systems. I. Stability and chaoticity

April 25th, 2012

arXiv:1204.5428

by Zorzi, Alejandra F. and Muzzio, Juan C.
10 pages, 5 figures. The Article has been submitted for publication in Monthly Notices of the RAS by the Royal Astronomical Society and Blackwell Publishing. At this time has been accepted but not yet published

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Collisionless dynamics in Globular Clusters

April 25th, 2012

arXiv:1204.5217

by Williams, Liliya L. R. and Barnes, Eric I. and Hjorth, Jens
27 pages, 18 figures; accepted to MNRAS

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No evidence for a central IMBH in M15

April 23rd, 2012

arXiv:1204.4457

by Kirsten, F. and Vlemmings, W. H. T.
6 pages, 2 figures, accepted for publication in A&A

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Tilted black hole accretion disc models of Sagittarius A*: time-variable millimetre to near-infrared emission

April 23rd, 2012

arXiv:1204.4454

by Dexter, Jason and Fragile, P. Chris
17 pages, 18 figures, submitted to MNRAS; for movies and version with high-res figures see http://astro.berkeley.edu/~jdexter/tiltedsgra

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Spacetime Metrology with LISA Pathfinder

April 21st, 2012

arXiv:1204.4299

by Congedo, Giuseppe
PhD thesis defended at University of Trento on 26th March 2012. Advisors: Stefano Vitale, Mauro Hueller. Committee: Eugenio Coccia (Univ. of Rome, Tor Vergata), Philippe Jetzer (Univ. of Z\”urich), Eric Plagnol (APC-CNRS, Paris), Rita Dolesi (Univ. Of Trento)

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Light scalar field constraints from gravitational-wave observations of compact binaries

April 21st, 2012

arXiv:1204.4340

by Berti, Emanuele and Gualtieri, Leonardo and Horbatsch, Michael and Alsing, Justin
9 pages, 4 figures

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On the Link Between Central Black Holes, Bar Dynamics, and Dark Matter Halos in Spiral Galaxies

April 21st, 2012

arXiv:1204.4210

by Treuthardt, Patrick and Seigar, Marc S. and Sierra, Amber D. and Al-Baidhany, Ismaeel and Salo, Heikki and Kennefick, Daniel and Kennefick, Julia and Lacy, Claud H. S.
17 pages, 1 table, 11 figures, accepted for publication in MNRAS

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Stable counteralignment of a circumbinary disc

April 21st, 2012

arXiv:1204.4185

by Nixon, Chris
5 pages, 4 figures. Accepted for publication in MNRAS

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Central kinematics of the globular cluster NGC 2808: Upper limit on the mass of an intermediate-mass black hole

April 21st, 2012

arXiv:1204.4074

by Lützgendorf, Nora and Kissler-Patig, Markus and Gebhardt, Karl and Baumgardt, Holger and Noyola, Eva and Jalali, Behrang and de Zeeuw, P. Tim and Neumayer, Nadine
12 pages, 9 figures, 2 tables, accepted for publication in A&A

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A pilgrimage to gravity on GPUs

April 21st, 2012

arXiv:1204.3106

by Bédorf, Jeroen and Zwart, Simon Portegies
To appear in: European Physical Journal “Special Topics” : “Computer Simulations on Graphics Processing Units” . 18 pages, 8 figures

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The Intermediate Mass Black Hole Candidate in the Center of NGC 404: New Evidence from Radio Continuum Observations

April 21st, 2012

arXiv:1204.3089

by Nyland, Kristina and Marvil, Josh and Wrobel, Joan and Young, Lisa and Zauderer, B. Ashley
Accepted for publication to ApJ

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The hidden AGN main sequence: Evidence for a universal SMBH accretion to star formation rate ratio since z~2 producing a M_BH-M* relation

April 21st, 2012

arXiv:1204.2824

by Mullaney, J. R. and Daddi, E. and Béthermin, M. and Elbaz, D. and Juneau, S. and Pannella, M. and Sargent, M. T. and Alexander, D. M. and Hickox, R. C.
6 Pages, 3 Figures, Submitted to ApJL

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Bonsai: A GPU Tree-Code

April 12th, 2012

arXiv:1204.2280

by Bédorf, Jeroen and Gaburov, Evghenii and Zwart, Simon Portegies
5 pages, 2 figures. Proceedings of “Advances in Computational Astrophysics: methods, tools and outcomes”, June 13-17, 2011, Cefalu, Sicily, Italy, eds. Capuzzo Dolcetta, Limongi, Tornambe and Giobbi

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BLR kinematics and Black Hole Mass in Markarian 6

April 10th, 2012

arXiv:1203.2084

by Doroshenko, V. T. and Sergeev, S. G. and Klimanov, S. A. and Pronik, V. I. and Efimov, Yu. S.
17 pages, 10 figures, accepted for publication in MNRAS

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Chaotic orbits in a 3D galactic dynamical model with a double nucleus

April 10th, 2012

arXiv:1204.0324

by Caranicolas, Nicolaos D. and Zotos, Euaggelos E.
Published in Mechanics Research Communications journal

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3-D Radiative Transfer Calculations of Radiation Feedback from Massive Black Holes: Outflow of Mass from the Dusty “Torus”

April 10th, 2012

arXiv:1204.0063

by Roth, Nathaniel and Kasen, Daniel and Hopkins, Philip F. and Quataert, Eliot
15 pages, 14 figures. Submitted to ApJ; v2 Corrected spelling and other small typos

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Review: Accretion Disk Theory

April 10th, 2012

arXiv:1203.6851

by Armijo, Matias Montesinos
21 pages, 9 figures

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Binary Disruption by Massive Black Holes: Hypervelocity Stars, S Stars, and Tidal Disruption Events

April 10th, 2012

arXiv:1203.6685

by Bromley, Benjamin C. and Kenyon, Scott J. and Geller, Margaret J. and Brown, Warren R.
ApJ Letters, accepted; 13 pages, including 3 figures

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No Evidence for Intermediate-Mass Black Holes in Globular Clusters: Strong Constraints from the JVLA

April 10th, 2012

arXiv:1203.6352

by Strader, Jay and Chomiuk, Laura and Maccarone, Thomas and Miller-Jones, James and Seth, Anil and Heinke, Craig and Sivakoff, Gregory
6 pages, 2 figures. ApJL in press

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General Relativistic Simulations of Magnetized Plasmas around Merging Supermassive Black Holes

April 10th, 2012

arXiv:1203.6108

by Giacomazzo, Bruno and Baker, John G. and Miller, M. Coleman and Reynolds, Christopher S. and van Meter, James R.
6 pages, 5 figures

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The Formation of the First Massive Black Holes

April 10th, 2012

arXiv:1203.6075

by Haiman, Zoltán
47 pages with 306 references; this review is a chapter in “The First Galaxies – Theoretical Predictions and Observational Clues”, Springer Astrophysics and Space Science Library, Eds. T. Wiklind, V. Bromm & B. Mobasher, in press

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The end-to-end testbed of the Optical Metrology System on-board LISA Pathfinder

April 10th, 2012

arXiv:1203.4842

by Steier, Frank and Cervantes, Felipe Guzmán and Marín, Antonio F. García and Gerardi, Domenico and Heinzel, Gerhard and Danzmann, Karsten

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Subtraction of test mass angular noise in the LISA Technology Package interferometer

April 10th, 2012

arXiv:1203.4476

by Cervantes, Felipe Guzmán and Steier, Frank and Wanner, Gudrun and Heinzel, Gerhard and Danzmann, Karsten
Applied Physics B – Lasers and Optics (2008)

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The most extreme ultraluminous X-ray sources: evidence for intermediate-mass black holes?

April 10th, 2012

arXiv:1203.4100

by Sutton, Andrew D. and Roberts, Timothy P. and Walton, Dominic J. and Gladstone, Jeanette C. and Scott, Amy E.
Accepted for publication in MNRAS, 26 pages, 9 figures, 10 tables

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No snow-plough mechanism during the rapid hardening of supermassive black hole binaries

April 10th, 2012

arXiv:1203.4085

by Baruteau, Clément and Ramirez-Ruiz, Enrico and Masset, Frédéric
5 pages, 5 figures, accepted for publication in MNRAS

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The observed $M – \sigma$ relations imply that SMBHs grow by cold chaotic accretion

April 10th, 2012

arXiv:1203.3450

by Nayakshin, Sergei and Power, Chris and King, Andrew R.
8 pages; submitted to ApJ; version that takes referee’s comments into account

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Effects of post-Newtonian Spin Alignment on the Distribution of Black-Hole Recoils

April 10th, 2012

arXiv:1203.2920

by Berti, Emanuele and Kesden, Michael and Sperhake, Ulrich
12 pages, 4 figures, 1 table

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