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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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151 papers · 2 filters
Galaxy Evolution in the Cluster Abell 85: New Insights from the Dwarf Population
Rebecca Habas, Dario Fadda, Francine R. Marleau +2
We present the first results of a new spectroscopic survey of the cluster Abell 85 targeting 1466 candidate cluster members within the central 1 deg of the cluster and ha…
Cosmic CARNage I: on the calibration of galaxy formation models
Alexander Knebe, Frazer R. Pearce, Violeta Gonzalez-Perez +31
We present a comparison of nine galaxy formation models, eight semi-analytical and one halo occupation distribution model, run on the same underlying cold dark matter simulation (c…
Spatially Resolved Dust, Gas, and Star Formation in the Dwarf Magellanic Irregular NGC4449
D. Calzetti, G. W. Wilson, B. T. Draine +17
We investigate the relation between gas and star formation in sub-galactic regions, ~360 pc to ~1.5 kpc in size, within the nearby starburst dwarf NGC4449, in order to separate the…
Escape of ionizing radiation from high redshift dwarf galaxies: role of AGN feedback
Maxime Trebitsch, Marta Volonteri, Yohan Dubois +1
While low mass, star forming galaxies are often considered as the primary driver of reionization, their actual contribution to the cosmic ultraviolet background is still uncertain,…
The distribution and ages of star clusters in the Small Magellanic Cloud: Constraints on the interaction history of the Magellanic Clouds
T. Bitsakis, R. A. Gonzalez-Lopezlira, P. Bonfini +5
We present a new study of the spatial distribution and ages of the star clusters in the Small Magellanic Cloud (SMC). To detect and estimate the ages of the star clusters we rely o…
AGN Feedback Compared: Jets versus Radiation
S. Cielo, R. Bieri, M. Volonteri +2
Feedback by Active Galactic Nuclei is often divided into quasar and radio mode, powered by radiation or radio jets, respectively. Both are fundamental in galaxy evolution, especial…
Revealing HI gas in emission and absorption on pc to kpc scales in a galaxy at z ~ 0.017
N. Gupta, R. Srianand, J. S. Farnes +6
We present a detailed study of the quasar-galaxy pair: J1243+4043 - UGC07904. The sight line of the background quasar ( = 1.5266) passes through a region of the galaxy (=…
Identifying the progenitors of present-day early-type galaxies in observational surveys: correcting `progenitor bias' using the Horizon-AGN simulation
G. Martin, S. Kaviraj, J. E. G. Devriendt +3
As endpoints of the hierarchical mass-assembly process, the stellar populations of local early-type galaxies encode the assembly history of galaxies over cosmic time. We use Horizo…
Group quenching and galactic conformity at low redshift
M. Treyer, K. Kraljic, S. Arnouts +13
We quantify the quenching impact of the group environment using the spectroscopic survey Galaxy and Mass Assembly (GAMA) to z=0.2. The fraction of red (quiescent) galaxies, whether…
The Spitzer Matching Survey of the UltraVISTA Ultra-deep Stripes (SMUVS): the Evolution of Dusty and Non-Dusty Galaxies with Stellar Mass at z=2-6
S. Deshmukh, K. I. Caputi, M. L. N. Ashby +6
The Spitzer Matching Survey of the UltraVISTA Ultra-deep Stripes (SMUVS) has obtained the largest ultra-deep Spitzer maps to date in a single field of the sky. We considered the sa…
Chasing the observational signatures of seed black holes at z > 7: candidate statistics
Rosa Valiante, Raffaella Schneider, Luca Graziani +1
Supermassive black holes (SMBHs) of 10^9-10^10 Msun were already in place ~13 Gyr ago, at z>6. Super-Eddington growth of low-mass BH seeds (~100 Msun) or less extreme accretion ont…
Conditions for Optimal Growth of Black Hole Seeds
Fabio Pacucci, Priyamvada Natarajan, Marta Volonteri +2
Super-massive black holes weighing up to are in place by , when the age of the Universe is . This implies a…
Ultra-Red Galaxies Signpost Candidate Proto-Clusters at High Redshift
A. J. R. Lewis, R. J. Ivison, P. N. Best +20
We present images obtained with LABOCA on the APEX telescope of a sample of 22 galaxies selected via their red Herschel SPIRE 250-, 350- and colors. We a…
Revisiting the bulge-halo conspiracy II: Towards explaining its puzzling dependence on redshift
Francesco Shankar, Alessandro Sonnenfeld, Philip Grylls +8
We carry out a systematic investigation of the total mass density profile of massive (Mstar~3e11 Msun) early-type galaxies and its dependence on redshift, specifically in the range…
The Lyman Alpha Reference Sample. VIII. Characterizing Lyman-Alpha Scattering in Nearby Galaxies
Joanna S. Bridge, Matthew Hayes, Jens Melinder +13
We examine the dust geometry and Lyα scattering in the galaxies of the Lyman Alpha Reference Sample (LARS), a set of 14 nearby (0.02 < < 0.2) Lyα emitting and starbursting syst…
Quasar Accretion Disk Sizes From Continuum Reverberation Mapping From the Dark Energy Survey
D. Mudd, P. Martini, Y. Zu +69
We present accretion disk size measurements for 15 luminous quasars at derived from light curves from the Dark Energy Survey. We measure the disk sizes…
The Seven Sisters DANCe III: Projected spatial distribution
J. Olivares, E. Moraux, L. M. Sarro +6
Methods. We compute Bayesian evidences and Bayes Factors for a set of variations of the classical radial models by King (1962), Elson et al. (1987) and Lauer et al. (1995). The var…
Correlation Between the Total Gravitating Mass of Groups and Clusters and the Supermassive Black Hole Mass of Brightest Galaxies
Akos Bogdan, Lorenzo Lovisari, Marta Volonteri +1
Supermassive black holes (BHs) residing in the brightest cluster galaxies are over-massive relative to the stellar bulge mass or central stellar velocity dispersion of their host g…
Simulating and interpreting deep observations in the Hubble Ultra Deep Field with the JWST/NIRSpec low-resolution 'prism'
Jacopo Chevallard, Emma Curtis-Lake, Stephane Charlot +16
The James Webb Space Telescope (JWST) will enable the detection of optical emission lines in galaxies spanning a broad range of luminosities out to redshifts z>10. Measurements of…
Detection strategies for the first supernovae with JWST
Tilman Hartwig, Volker Bromm, Abraham Loeb
Pair-instability supernovae (PISNe) are very luminous explosions of massive, low metallicity stars. They can potentially be observed out to high redshifts due to their high explosi…
Using Real and Simulated Measurements of the Thermal Sunyaev-Zel'dovich Effect to Constrain Models of AGN Feedback
Alexander Spacek, Mark Richardson, Evan Scannapieco +4
Energetic feedback from active galactic nuclei (AGNs) is often used in simulations to resolve several outstanding issues in galaxy formation, but its impact is still not fully unde…
SPLASH-SXDF Multi-wavelength Photometric Catalog
Vihang Mehta, Claudia Scarlata, Peter Capak +19
We present a multi-wavelength catalog in the Subaru-XMM Deep Field (SXDF) as part of the Spitzer Large Area Survey with Hyper-Suprime-Cam (SPLASH). We include the newly acquired op…
SILVERRUSH. V. Census of Lya, [OIII]5007, Ha, and [CII]158um Line Emission with ~1000 LAEs at z=4.9-7.0 Revealed with Subaru/HSC
Yuichi Harikane, Masami Ouchi, Takatoshi Shibuya +23
We investigate Lya, [OIII]5007, Ha, and [CII]158um emission from 1124 galaxies at z=4.9-7.0. Our sample is composed of 1092 Lya emitters (LAEs) at z=4.9, 5.7, 6.6, and 7.0 identifi…
The Sloan Digital Sky Survey Reverberation Mapping Project: H and H Reverberation Measurements From First-year Spectroscopy and Photometry
C. J. Grier, J. R. Trump, Yue Shen +39
We present reverberation mapping results from the first year of combined spectroscopic and photometric observations of the Sloan Digital Sky Survey Reverberation Mapping Project. W…