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19932026
most citedObservational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant

19.6k citations

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1,310 papers · 1 filter

astro-ph2008★ 48 cited

Abell 851 and the Role of Starbursts in Cluster Galaxy Evolution

A. Oemler, A. Dressler, D. Kelson +5

We use extensive new observations of the very rich z ~ 0.4 cluster of galaxies A851 to examine the nature and origin of starburst galaxies in intermediate-redshift clusters. New HS…

astro-ph2008★ 47 cited

The Northern Sky Optical Cluster Survey III: A Cluster Catalog Covering Pi Steradians

R. R. Gal, P. A. A. Lopes, R. R. de Carvalho +3

We present the complete galaxy cluster catalog from the Northern Sky Optical Cluster Survey, a new, objectively defined catalog of candidate galaxy clusters at z<0.25 drawn from th…

astro-ph2008★ 1k cited

Chandra Cluster Cosmology Project III: Cosmological Parameter Constraints

A. Vikhlinin, A. V. Kravtsov, R. A. Burenin +8

Chandra observations of large samples of galaxy clusters detected in X-rays by ROSAT provide a new, robust determination of the cluster mass functions at low and high redshifts. St…

astro-ph2008★ 14 cited

Ubiquitous H-alpha polarized line profiles: absorptive spectropolarimetric effects and temporal variability in Post-AGB, Herbig Ae/Be and other stellar types

D. M. Harrington, J. R. Kuhn

We show here that the absorptive H-alpha polarized line profile previously seen in many Herbig Ae/Be (HAeBe) stars is a nearly ubiquitous feature of other types of embedded or obsc…

astro-ph2008★ 225 cited

A Highly Complete Spectroscopic Survey of the GOODS-N Field

A. J. Barger, L. L. Cowie, W. -H. Wang

We present a table of redshifts for 2907 galaxies and stars in the 145 square arcmin HST ACS GOODS-North, making this the most spectroscopically complete redshift sample obtained t…

astro-ph2008★ 58 cited

AzTEC Millimetre Survey of the COSMOS Field - II. Source Count Overdensity and Correlations with Large-Scale Structure

J. E. Austermann, I. Aretxaga, D. H. Hughes +9

We report an over-density of bright sub-millimetre galaxies (SMGs) in the 0.15 sq. deg. AzTEC/COSMOS survey and a spatial correlation between the SMGs and the optical-IR galaxy den…

astro-ph2008★ 117 cited

Balancing the Energy Budget between Star-Formation and AGN in High Redshift Infrared Luminous Galaxies

E. J. Murphy, R. -R. Chary, D. M. Alexander +5

(abridged) We present deep Spitzer mid-infrared spectroscopy, along with 16, 24, 70, and 850um photometry, for 22 galaxies located in GOODS-N. The sample spans a redshift range of…

astro-ph2008★ 382 cited

Ten New and Updated Multi-planet Systems, and a Survey of Exoplanetary Systems

J. T. Wright, S. Upadhyay, G. W. Marcy +3

We present the latest velocities for 10 multi-planet systems, including a re-analysis of archival Keck and Lick data, resulting in improved velocities that supersede our previously…

astro-ph2008★ 60 cited

A Map of the Integrated Sachs-Wolfe Signal from Luminous Red Galaxies

Benjamin R. Granett, Mark C. Neyrinck, István Szapudi

We construct a map of the time derivative of the gravitational potential traced by SDSS Luminous Red Galaxies. The potential decays on large scales due to cosmic acceleration, leav…

astro-ph2008★ 115 cited

A Smaller Radius for the Transiting Exoplanet WASP-10b

John A. Johnson, Joshua N. Winn, Nicole E. Cabrera +1

We present photometry of WASP-10 during the transit of its short-period Jovian planet. We employed the novel PSF-shaping capabilities the OPTIC camera mounted on the UH 2.2m telesc…

astro-ph2008★ 55 cited

Spectroscopy of High-Redshift Supernovae from the ESSENCE Project: The First Four Years

R. J. Foley, T. Matheson, S. Blondin +23

We present the results of spectroscopic observations from the ESSENCE high-redshift supernova (SN) survey during its first four years of operation. This sample includes spectra of…

astro-ph2008★ 28 cited

Time-Resolved Near-Infrared Photometry of Extreme Kuiper Belt Object Haumea

Pedro Lacerda

We present time-resolved near-infrared (J and H) photometry of the extreme Kuiper belt object (136108) Haumea (formerly 2003 EL61) taken to further investigate rotational variabili…

astro-ph2008★ 193 cited

Photometric redshifts for the CFHTLS T0004 Deep and Wide fields

J. Coupon, O. Ilbert, M. Kilbinger +15

We compute photometric redshifts based on the template-fitting method in the fourth public release of the Canada-France-Hawaii Telescope Legacy Survey. This unique multi-colour cat…

astro-ph2008★ 106 cited

Optical Spectroscopy of X-ray sources in the Extended Chandra Deep Field South

E. Treister, S. Virani, E. Gawiser +8

We present the first results of our optical spectroscopy program aimed to provide redshifts and identifications for the X-ray sources in the Extended Chandra Deep Field South. A to…

astro-ph2008★ 83 cited

The chemical abundances in the Galactic Centre from the atmospheres of Red Supergiants

Ben Davies, Livia Origlia, Rolf-Peter Kudritzki +3

The Galactic Centre (GC) has experienced a high degree of recent star-forming activity, as evidenced by the large number of massive stars currently residing there. The relative abu…

astro-ph2008★ 59 cited

Identikit 1: A Modeling Tool for Interacting Disk Galaxies

Joshua E. Barnes, John E. Hibbard

By combining test-particle and self-consistent techniques, we have developed a method to rapidly explore the parameter space of galactic encounters. Our method, implemented in an i…

astro-ph2008★ 22 cited

The Origin of the 24-micron Excess in Red Galaxies

Kate Brand, John Moustakas, Lee Armus +11

Observations with the Spitzer Space Telescope have revealed a population of red-sequence galaxies with a significant excess in their 24-micron emission compared to what is expected…

astro-ph2008★ 46 cited

Physical properties of galaxies and their evolution in the VIMOS VLT Deep Survey. II. Extending the mass-metallicity relation to the range z=0.89-1.24

E. Perez-Montero, T. Contini, F. Lamareille +39

Aims. We present a continuation of our study about the relation between stellar mass and gas-phase metallicity in the VIMOS VLT Deep Survey (VVDS). In this work we extend the deter…

astro-ph2008★ 96 cited

Physical properties of galaxies and their evolution in the VIMOS VLT Deep Survey. I. The evolution of the mass-metallicity relation up to z~0.9

F. Lamareille, J. Brinchmann, T. Contini +43

We derive the mass-metallicity relation of star-forming galaxies up to , using data from the VIMOS VLT Deep Survey. Automatic measurement of emission-line fluxes and equi…

astro-ph2008★ 10 cited

The VVDS-VLA Deep Field - IV: Radio-optical properties

S. Bardelli, E. Zucca, M. Bolzonella +51

(abridged) We use the 1.4 GHz VIMOS-VLA Deep Survey and the optical VVDS and the CFHT-LS to compare the properties of radio loud galaxies with respect to the whole population of op…

astro-ph2008★ 14 cited

A Photometrically and Morphologically Variable Infrared Nebula in L483

Michael Connelley, Klaus Hodapp, Gary Fuller

We present narrow and broad K-band observations of the Class 0/I source IRAS 18148-0440 that span 17 years. The infrared nebula associated with this protostar in the L483 dark clou…

astro-ph2008★ 119 cited

Measuring the Sources of the Intergalactic Ionizing Flux

L. L. Cowie, A. J. Barger, L. Trouille

We use a wide-field (0.9 square degree) X-ray sample with optical and GALEX ultraviolet observations to measure the contribution of Active Galactic Nuclei (AGNs) to the ionizing fl…

astro-ph2008★ 17 cited

Galaxy Clusters at 0.9<z<1.7 in the AKARI NEP deep field

Tomotsugu Goto, Hitoshi Hanami, Myungshin Im +11

There is a huge gap between properties of red-sequence selected massive galaxy clusters at z<1 and Lyman-break selected proto-clusters at z>3. It is important to understand when an…

astro-ph2008★ 57 cited

The OPTX Project I: The Flux and Redshift Catalogs for the CLANS, CLASXS, and CDF-N fields

L. Trouille, A. J. Barger, L. L. Cowie +2

We present the redshift catalogs for the X-ray sources detected in the Chandra Deep Field North (CDF-N), the Chandra Large Area Synoptic X-ray Survey (CLASXS), and the Chandra Lock…