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19952026
most citedThe Demography of Massive Dark Objects in Galaxy Centres

4k citations

Showing 2011Show all

66 papers · 1 filter

astro-ph.CO2011★ 69 cited

Dissecting early-type dwarf galaxies into their multiple components

J. Janz, E. Laurikainen, T. Lisker +8

Early-type dwarf galaxies, once believed to be simple systems, have recently been shown to exhibit an intriguing diversity in structure and stellar content. To analyze this further…

astro-ph.CO2011★ 113 cited

The ongoing assembly of a central cluster galaxy: Phase-space substructures in the halo of M87

Aaron J. Romanowsky, Jay Strader, Jean P. Brodie +5

The halos of galaxies preserve unique records of their formation histories. We carry out the first combined observational and theoretical study of phase-space halo substructure in…

astro-ph.CO2011★ 48 cited

Luminous and High Stellar Mass Candidate Galaxies at z ~ 8 Discovered in CANDELS

Haojing Yan, Steven L. Finkelstein, Kuang-Han Huang +26

One key goal of the Hubble Space Telescope Cosmic Assembly Near-Infrared Deep Extragalactic Legacy Survey is to track galaxy evolution back to z ~ 8. Its two-tiered "wide and deep"…

astro-ph.CO2011★ 30 cited

Evidence for inhomogeneous reionization in the local Universe from metal-poor globular cluster systems

Lee R. Spitler, Aaron J. Romanowsky, Jürg Diemand +4

Exploiting a fundamental characteristic of galaxy assembly in the ΛCDM paradigm, the observed spatial biasing and kinematics of metal-poor globular star clusters are used to constr…

astro-ph.CO2011★ 143 cited

MAGICC haloes: confronting simulations with observations of the circumgalactic medium at z=0

Greg Stinson, Chris Brook, J. Xavier Prochaska +8

We explore the circumgalactic medium (CGM) of two simulated star-forming galaxies with luminosities L ~ 0.1 and 1 L* generated using the smooth particle hydrodynamic code GASOLINE.…

astro-ph.CO2011★ 164 cited

The SPLASH Survey: Spectroscopy of 15 M31 Dwarf Spheroidal Satellite Galaxies

Erik J. Tollerud, Rachael L. Beaton, Marla C. Geha +13

We present a resolved-star spectroscopic survey of 15 dwarf spheroidal (dSph) satellites of the Andromeda Galaxy (M31) as part of the Spectroscopic and Photometric Landscape of And…

astro-ph.IM2011★ 1 cited

The Colloquium on Decoupling Civil Timekeeping from Earth Rotation

John H. Seago, Robert L. Seaman, Steven L. Allen

On October 5 and October 6, 2011, the Colloquium on the Decoupling Civil Timekeeping from Earth Rotation was hosted in Exton, Pennsylvania by Analytical Graphics, Inc. (AGI). This…

astro-ph.CO2011★ 60 cited

The First Observations of Low-Redshift Damped Lyman-α Systems with the Cosmic Origins Spectrograph: Chemical Abundances and Affiliated Galaxies

A. J. Battisti, J. D. Meiring, T. M. Tripp +6

We present Cosmic Origins Spectrograph (COS) measurements of metal abundances in eight 0.083<z<0.321 damped Lyman-α(DLA) and sub-damped Ly-α absorption systems serendipitously disc…

astro-ph.CO2011★ 158 cited

The Hidden Mass and Large Spatial Extent of a Poststarburst Galaxy Outflow

Todd M. Tripp, Joseph D. Meiring, J. Xavier Prochaska +9

Outflowing winds of multiphase plasma have been proposed to regulate the buildup of galaxies, but key aspects of these outflows have not been probed with observations. Using ultrav…

astro-ph.CO2011★ 570 cited

The Large, Oxygen-Rich Halos of Star-Forming Galaxies Are A Major Reservoir of Galactic Metals

Jason Tumlinson, Christopher Thom, Jessica K. Werk +11

The circumgalactic medium (CGM) is fed by galaxy outflows and accretion of intergalactic gas, but its mass, heavy element enrichment, and relation to galaxy properties are poorly c…

astro-ph.CO2011★ 45 cited

Fe K emission from active galaxies in the COSMOS field

K. Iwasawa, V. Mainieri, M. Brusa +14

We present a rest-frame spectral stacking analysis of ~1000 X-ray sources detected in the XMM-COSMOS field in order to investigate the iron K line properties of active galaxies bey…

astro-ph.CO2011★ 180 cited

Detection of Pristine Gas Two Billion Years after the Big Bang

Michele Fumagalli, John M. O'Meara, J. Xavier Prochaska

In the current cosmological model, only the three lightest elements were created in the first few minutes after the Big Bang; all other elements were produced later in stars. To da…

astro-ph.CO2011★ 80 cited

Clustering properties of BzK-selected galaxies in GOODS-N: environmental quenching and triggering of star formation at z ~ 2

Lihwai Lin, Mark Dickinson, Hung-Yu Jian +19

Using a sample of BzK-selected galaxies at z~2 identified from the CFHT/WIRCAM near-infrared survey of GOODS-North, we discuss the relation between star formation rate (SFR), speci…

astro-ph.CO2011

The XMM-BCS galaxy cluster survey: I. The X-ray selected cluster catalog from the initial 6 deg

R. Šuhada, J. Song, H. Böhringer +19

The XMM-Newton - Blanco Cosmology Survey project (XMM-BCS) is a coordinated X-ray, optical and mid-infrared cluster survey in a field also covered by Sunyaev-Zel'dovich effect surv…

astro-ph.GA2011★ 150 cited

Metallicity Gradients in the Milky Way Disk as Observed by the SEGUE Survey

Judy Y. Cheng, Constance M. Rockosi, Heather L. Morrison +6

The observed radial and vertical metallicity distribution of old stars in the Milky Way disk provides a powerful constraint on the chemical enrichment and dynamical history of the…

astro-ph.CO2011★ 178 cited

GOODS-Herschel and CANDELS: The Morphologies of Ultraluminous Infrared Galaxies at z~2

Jeyhan S. Kartaltepe, Mark Dickinson, David M. Alexander +40

Using deep 100-160 micron observations in GOODS-S from the GOODS-H survey, combined with HST/WFC3 NIR imaging from CANDELS, we present the first morphological analysis of a complet…

astro-ph.CO2011★ 161 cited

CANDELS Observations of the Structural Properties and Evolution of Galaxies in a Cluster at z=1.62

Casey Papovich, R. Bassett, J. M. Lotz +25

We discuss the structural and morphological properties of galaxies in a z=1.62 proto-cluster using near-IR imaging data from Hubble Space Telescope Wide Field Camera 3 data of the…

astro-ph.CO2011★ 307 cited

What turns galaxies off? The different morphologies of star-forming and quiescent galaxies since z~2 from CANDELS

Eric F. Bell, Arjen van der Wel, Casey Papovich +21

We use HST/WFC3 imaging from the CANDELS Multicycle Treasury Survey, in conjunction with the Sloan Digital Sky Survey, to explore the evolution of galactic structure for galaxies w…

astro-ph.CO2011★ 315 cited

CANDELS: The Evolution of Galaxy Rest-Frame Ultraviolet Colors from z = 8 to 4

Steven L. Finkelstein, Casey Papovich, Brett Salmon +18

We study the evolution of galaxy rest-frame ultraviolet (UV) colors in the epoch 4 < z < 8. We use new wide-field near-infrared data in GOODS-S from the CANDELS, HUDF09 and ERS pro…

astro-ph.HE2011★ 83 cited

The Fermi Bubbles. II. The Potential Roles of Viscosity and Cosmic Ray Diffusion in Jet Models

Fulai Guo, William G. Mathews, Gregory Dobler +1

The origin of the Fermi bubbles recently detected by the Fermi Gamma-ray Space Telescope in the inner Galaxy is mysterious. In the companion paper Guo & Mathews (Paper I), we use h…

astro-ph.CO2011★ 199 cited

The Relationships Among Compact Stellar Systems: A Fresh View of Ultra Compact Dwarfs

Jean P. Brodie, Aaron J. Romanowsky, Jay Strader +1

We use a combined imaging and spectroscopic survey of the nearby central cluster galaxy, M87, to assemble a sample of 34 confirmed ultra compact dwarfs (UCDs) with half-light radii…

astro-ph.CO2011★ 138 cited

Secular evolution and a non-evolving black hole to galaxy mass ratio in the last 7 Gyr

Mauricio Cisternas, Knud Jahnke, Angela Bongiorno +6

We present new constraints on the ratio of black hole (BH) mass to total galaxy stellar mass at 0.3<z<0.9 for a sample of 32 type-1 active galactic nuclei (AGNs) from the XMM-COSMO…

astro-ph.CO2011★ 404 cited

CANDELS: Constraining the AGN-Merger Connection with Host Morphologies at z~2

Dale D. Kocevski, S. M. Faber, Mark Mozena +35

Using HST/WFC3 imaging taken as part of the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS), we examine the role that major galaxy mergers play in triggeri…

astro-ph.CO2011★ 20 cited

The serendipitous observation of a gravitationally lensed galaxy at z = 0.9057 from the Blanco Cosmology Survey: The Elliot Arc

E. J. Buckley-Geer, H. Lin, E. R. Drabek +17

We report on the serendipitous discovery in the Blanco Cosmology Survey (BCS) imaging data of a z = 0.9057 galaxy that is being strongly lensed by a massive galaxy cluster at a red…