Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR2.6k papers
- University of California, BerkeleyUS2.5k papers
- The Ohio State UniversityUS2.3k papers
- University of ArizonaUS2.1k papers
- Lawrence Berkeley National LaboratoryUS2.1k papers
- SLAC National Accelerator LaboratoryUS2k papers
- University of California, IrvineUS2k papers
- Yale UniversityUS1.9k papers
- University of Wisconsin–MadisonUS1.9k papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR1.9k papers
- McGill UniversityCA1.9k papers
- University of ChicagoUS1.9k papers
127 papers · 2 filters
The case for inflow of the broad-line region of active galactic nuclei
C. Martin Gaskell, Rene W. Goosmann
The high-ionization lines of the broad-line region (BLR) of thermal active galactic nuclei (AGNs) show blueshifts of a few hundred km/s to several thousand km/sec with respect to t…
MApping the Most Massive Overdensities Through Hydrogen (MAMMOTH) I: Methodology
Zheng Cai, Xiaohui Fan, Sebastien Peirani +8
Modern cosmology predicts that a galaxy overdensity is associated to a large reservoir of the intergalactic gas, which can be traced by the Ly forest absorption. We have underta…
Satellite accretion in action: a tidally disrupting dwarf spheroidal around the nearby spiral galaxy NGC 253
Aaron J. Romanowsky, D. Martinez-Delgado, Nicolas F. Martin +7
We report the discovery of NGC 253-dw2, a dwarf spheroidal (dSph) galaxy candidate undergoing tidal disruption around a nearby spiral galaxy, NGC 253 in the Sculptor group: the fir…
The SLUGGS Survey: stellar kinematics, kinemetry and trends at large radii in 25 early-type galaxies
Caroline Foster, Nicola Pastorello, Joel Roediger +9
Due to longer dynamical timescales, the outskirts of early-type galaxies retain the footprint of their formation and assembly. Under the popular two-phase galaxy formation scenario…
Kinematics and Angular Momentum in Early Type Galaxy Halos
Jean P. Brodie, Aaron Romanowsky, the SLUGGS team
We use the kinematics of discrete tracers, primarily globular clusters (GCs) and planetary nebulae (PNe), along with measurements of the integrated starlight to explore the assembl…
A tidally disrupting dwarf galaxy in the halo of NGC 253
Elisa Toloba, David Sand, Kristine Spekkens +7
We report the discovery of Scl-MM-Dw2, a new dwarf galaxy at a projected separation of 50 kpc from NGC 253, as part of the PISCeS (Panoramic Imaging Survey of Centaurus and S…
Infrared color selection of massive galaxies at z > 3
T. Wang, D. Elbaz, C. Schreiber +29
We introduce a new color-selection technique to identify high-redshift, massive galaxies that are systematically missed by Lyman-break selection. The new selection is based on the…
Growing massive black holes through super-critical accretion of stellar-mass seeds
A. Lupi, F. Haardt, M. Dotti +3
The rapid assembly of the massive black holes that power the luminous quasars observed at remains a puzzle. Various direct collapse models have been proposed to head-s…
The AIMSS Project III: The Stellar Populations of Compact Stellar Systems
Joachim Janz, Mark A. Norris, Duncan A. Forbes +11
In recent years, a growing zoo of compact stellar systems (CSSs) have been found whose physical properties (mass, size, velocity dispersion) place them between classical globular c…
The SLUGGS survey: chromo-dynamical modelling of the lenticular galaxy NGC 1023
Arianna Cortesi, Ana L. Chies-Santos, Vincenzo Pota +12
Globular clusters (GCs) can be considered discrete, long-lived, dynamical tracers that retain crucial information about the assembly history of their parent galaxy. In this paper,…
The case for cases B and C: intrinsic hydrogen line ratios of the broad-line region of active galactic nuclei, reddenings, and accretion disc sizes
C. Martin Gaskell
Low-redshift active galactic nuclei (AGNs) with extremely blue optical spectral indices are shown to have a mean, velocity-averaged, broad-line H/H ratio of $\thickapprox 2.7…
Giant Clumps in Simulated High-z Galaxies: Properties, Evolution and Dependence on Feedback
Nir Mandelker, Avishai Dekel, Daniel Ceverino +3
We study the evolution of giant clumps in high-z disc galaxies using AMR cosmological simulations at redshifts z=6-1. Our sample consists of 34 galaxies, of halo masses 10^{11}-10^…
Detection of three Gamma-Ray Burst host galaxies at
J. T. W. McGuire, N. R. Tanvir, A. J. Levan +17
Long-duration Gamma-Ray Bursts (GRBs) allow us to pinpoint and study star-forming galaxies in the early universe, thanks to their orders of magnitude brighter peak luminosities com…
Evolution of Galaxy Shapes from Prolate to Oblate through Compaction Events
Matteo Tomassetti, Avishai Dekel, Nir Mandelker +6
We study the evolution of global shapes of galaxies using cosmological simulations. The shapes refer to the components of dark matter (DM), stars and gas at the stellar half-mass r…
Breaking the Curve with CANDELS: A Bayesian Approach to Reveal the Non-Universality of the Dust-Attenuation Law at High Redshift
Brett Salmon, Casey Papovich, James Long +13
Dust attenuation affects nearly all observational aspects of galaxy evolution, yet very little is known about the form of the dust-attenuation law in the distant Universe. Here, we…
The extended halo of Centaurus A: uncovering satellites, streams, and substructures
D. Crnojević, D. J. Sand, K. Spekkens +7
We present the widest-field resolved stellar map to date of the closest ( Mpc) massive elliptical galaxy NGC 5128 (Centaurus A; Cen A), extending out to a projected galac…
Is Turbulence in the Interstellar Medium Driven by Feedback or Gravity? An Observational Test
Mark R. Krumholz, Blakesley Burkhart
Galaxies' interstellar media (ISM) are observed to be supersonically-turbulent, but the ultimate power source that drives turbulent motion remains uncertain. The two dominant model…
A Deep Search For Faint Galaxies Associated With Very Low-redshift C IV Absorbers: III. The Mass- and Environment-dependent Circumgalactic Medium
Joseph N. Burchett, Todd M. Tripp, Rongmon Bordoloi +6
Using Hubble Space Telescope Cosmic Origins Spectrograph observations of 89 QSO sightlines through the Sloan Digital Sky Survey footprint, we study the relationships between C IV a…
Evidence for the rapid formation of low mass early-type galaxies in dense environments
Yiqing Liu, Eric W. Peng, John Blakeslee +6
We explore the environmental dependence of star formation timescales in low mass galaxies using the [/Fe] abundance ratio as an evolutionary clock. We present integrated [/Fe…
Triangulum II: Possibly a Very Dense Ultra-Faint Dwarf Galaxy
Evan N. Kirby, Judith G. Cohen, Joshua D. Simon +1
Laevens et al. recently discovered Triangulum II, a satellite of the Milky Way. Its Galactocentric distance is 36 kpc, and its luminosity is only 450 L_sun. Using Keck/DEIMOS, we m…
Globular and Open Clusters Observed by SDSS/SEGUE: the Giant Stars
Heather L. Morrison, Zhibo Ma, James L. Clem +10
We present griz observations for the clusters M92, M13 and NGC 6791 and gr photometry for M71, Be 29 and NGC 7789. In addition we present new membership identifications for all the…
Satellite Quenching and Galactic Conformity at 0.3 < z < 2.5
Lalitwadee Kawinwanichakij, Ryan F. Quadri, Casey Papovich +21
We measure the evolution of the quiescent fraction and quenching efficiency of satellites around star-forming and quiescent central galaxies with stellar mass $\log(M_{\mathrm{cen}…
The physical properties of z>2 Lyman limit systems: new constraints for feedback and accretion models
Michele Fumagalli, John M. O'Meara, J. Xavier Prochaska
We study the physical properties of a homogeneous sample of 157 optically-thick absorption line systems at redshifts ~1.8-4.4, selected from a high-dispersion spectroscopic survey…
Star Formation for Predictive Primordial Galaxy Formation
Milos Milosavljevic, Chalence Safranek-Shrader
The elegance of inflationary cosmology and cosmological perturbation theory ends with the formation of the first stars and galaxies, the initial sources of light that launched the…