output
19922026
most citedObservational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant

19.6k citations

Showing 2006Show all

509 papers · 1 filter

astro-ph2006★ 26 cited

Heating of Heavy Ions by Interplanetary Coronal Mass Ejection (ICME) Driven Collisionless Shocks

K. E. Korreck, T. H. Zurbuchen, S. T. Lepri +1

Shock heating and particle acceleration processes are some of the most fundamental physical phenomena of plasma physics with countless applications in laboratory physics, space phy…

astro-ph2006★ 187 cited

The Transit Light Curve Project. V. System Parameters and Stellar Rotation Period of HD 189733

Joshua N. Winn, Matthew J. Holman, Gregory W. Henry +8

We present photometry of HD 189733 during eight transits of its close-in giant planet, and out-of-transit photometry spanning two years. Using the transit photometry, we determine…

astro-ph2006★ 5 cited

Spectral Methods for Time-Dependent Studies of Accretion Flows. III. Three-Dimensional, Self-gravitating, Magnetohydrodynamic Disks

Chi-kwan Chan, Dimitrios Psaltis, Feryal Ozel

Accretion disks are three-dimensional, turbulent, often self-gravitating, magnetohydrodynamic flows, which can be modeled in detail with numerical simulations. In this paper, we pr…

astro-ph2006★ 831 cited

Improved Distances to Type Ia Supernovae with Multicolor Light Curve Shapes: MLCS2k2

Saurabh Jha, Adam G. Riess, Robert P. Kirshner

We present an updated version of the Multicolor Light Curve Shape method to measure distances to type Ia supernovae (SN Ia), incorporating new procedures for K-correction and extin…

astro-ph2006★ 1.8k cited

New Hubble Space Telescope Discoveries of Type Ia Supernovae at z > 1: Narrowing Constraints on the Early Behavior of Dark Energy

Adam G. Riess, Louis-Gregory Strolger, Stefano Casertano +18

We have discovered 21 new Type Ia supernovae (SNe Ia) with the Hubble Space Telescope (HST) and have used them to trace the history of cosmic expansion over the last 10 billion yea…

astro-ph2006★ 50 cited

Early Ultraviolet, Optical and X-Ray Observations of the Type IIP SN 2005cs in M51 with Swift

Peter J. Brown, Luc Dessart, Stephen T. Holland +14

We report early photospheric-phase observations of the Type IIP Supernova (SN) 2005cs obtained by Swift's Ultraviolet-Optical and X-Ray Telescopes. Observations started within two…

astro-ph2006

High sensitivity low frequency radio observations of cD galaxies

S. Giacintucci, T. Venturi, S. Bardelli +3

We present the GMRT 235 MHz images of three radio galaxies and 610 MHz images of two sources belonging to a complete sample of cD galaxies in rich and poor galaxy clusters. The ana…

astro-ph2006

VLA Observations of HI in the Circumstellar Envelopes of AGB Stars

Lynn D. Matthews, Mark J. Reid

We present the results of a VLA search for HI emission in the circumstellar envelopes of five nearby AGB stars: RS Cnc, IRC+10216, EP Aqr, R Cas, and R Aqr. We have detected emissi…

astro-ph2006★ 6 cited

Determining the Type, Redshift, and Phase of a Supernova Spectrum

Stéphane Blondin, John L. Tonry

We present an algorithm to identify the types of supernova spectra, and determine their redshift and phase. This algorithm, based on the correlation techniques of Tonry & Davis, is…

astro-ph2006★ 40 cited

Organic chemistry in the dark clouds L1448 and L183. A Unique grain mantle composition

M. A. Requena-Torres, N. Marcelino, I. Jiménez-Serra +3

We present high sensitivity observations of the complex organic molecules (COMs) CH3OH, C2H5OH, HCOOCH3, HCOOH and H2CO and of SiO toward the quiescent dark cloud L183 and the mole…

astro-ph2006★ 33 cited

Observations of Herbig Ae Disks with Nulling Interferometry

W. M. Liu, P. M. Hinz, M. R. Meyer +5

We present the results of 10 micron nulling interferometric observations of 13 Herbig Ae stars using the Magellan I (Baade) and the MMT 6.5 m telescopes. A portion of the observati…

astro-ph2006★ 4 cited

Radio Properties of Cavities in the ICM: Imprints of AGN Activity

L. Birzan, B. R. McNamara, C. L. Carilli +2

We present new, high resolution radio images of sources associated with cD galaxies and X-ray cavity systems located in cluster cores. The cavity properties derived from archival C…

astro-ph2006★ 54 cited

SHARC-II Mapping of Spitzer c2d Small Clouds and Cores

Jingwen Wu, Michael M. Dunham, Neal J. Evans +2

We present the results of a submillimeter survey of 53 low-mass dense cores with the Submillimeter High Angular Resolution Camera II (SHARC-II). The survey is a follow-up project t…

astro-ph2006★ 111 cited

The XMM-Newton wide-field survey in the COSMOS field. IV: X-ray spectral properties of Active Galactic Nuclei

V. Mainieri, G. Hasinger, N. Cappelluti +25

We present a detailed spectral analysis of point-like X-ray sources in the XMM-COSMOS field. Our sample of 135 sources only includes those that have more than 100 net counts in the…

astro-ph2006★ 175 cited

The XMM-Newton wide-field survey in the COSMOS field: III. optical identification and multiwavelength properties of a large sample of X-ray selected sources

M. Brusa, G. Zamorani, A. Comastri +31

[ABRIGED] We present the optical identification of a sample of 695 X-ray sources detected in the first 1.3 deg^2 of the XMM-COSMOS survey, down to a 0.5-2 keV (2-10 keV) limiting f…

astro-ph2006★ 9 cited

A Potential Galaxy Threshing System in the Cosmos Field

S. S. Sasaki, Y. Taniguchi, N. Scoville +26

We report on the discovery of a new potential galaxy threshing system in the COSMOS 2 square degree field using the prime-focus camera, Suprime-Cam, on the 8.2 m Subaru Telescope.…

cond-mat.other2006★ 21 cited

Hohenberg-Kohn theorem for the lowest-energy resonance of unbound systems

Adam Wasserman, Nimrod Moiseyev

We show that under well-defined conditions the Hohenberg-Kohn theorem (HKT) can be extended to the lowest-energy resonance of unbound systems. Using the Gel'fand Levitan theorem, t…

astro-ph2006★ 353 cited

The XMM-Newton wide-field survey in the COSMOS field: I. Survey description

G. Hasinger, N. Cappelluti, H. Brunner +21

We present the first set of XMM-Newton EPIC observations in the 2 square degree COSMOS field. The strength of the COSMOS project is the unprecedented combination of a large solid a…

astro-ph2006★ 2k cited

The Cosmic Evolution Survey (COSMOS) -- Overview

N. Scoville, H. Aussel, M. Brusa +19

The Cosmic Evolution Survey (COSMOS) is designed to probe the correlated evolution of galaxies, star formation, active galactic nuclei (AGN) and dark matter (DM) with large-scale s…

astro-ph2006★ 15 cited

Structure and Kinematics of CO (J=2-1) Emission in the Central Region of NGC 4258

S. Sawada-Satoh, P. T. P. Ho, S. Muller +2

We present 12CO (J=2-1) observations towards the central region of the Seyfert 2 galaxy NGC 4258 with the Submillimeter Array (SMA). Our interferometric maps show two arm-like elon…

astro-ph2006★ 8 cited

Barred CO emission in HE1029-1831

M. Krips, A. Eckart, R. Neri +5

We present CO(1-0) and CO(2-1) line emission maps of the barred spiral active galaxy HE1029-1831 (z=0.0403) obtained with the IRAM Plateau de Bure Interferometer (PdBI) and in part…

astro-ph2006★ 43 cited

On the Anomalous Temperature Distribution of the Intergalactic Medium in the NGC 3411 Group of Galaxies

E. O'Sullivan, J. M. Vrtilek, D. E. Harris +1

We present XMM, Chandra and VLA observations of the USGC S152 group and its central elliptical NGC 3411. Imaging of the group X-ray halo suggests it is relaxed with little apparent…

astro-ph2006

The Growth of Black Holes and Bulges at the Cores of Cooling Flows

D. A. Rafferty, B. R. McNamara, P. E. J. Nulsen +1

Central cluster galaxies (cDs) in cooling flows are growing rapidly through gas accretion and star formation. At the same time, AGN outbursts fueled by accretion onto supermassive…

astro-ph2006★ 81 cited

Are Debris Disks and Massive Planets Correlated?

Amaya Moro-Martín, John M. Carpenter, Michael R. Meyer +13

Using data from the Spitzer Space Telescope Legacy Science Program ``Formation and Evolution of Planetary Systems'' (FEPS), we have searched for debris disks around 9 FGK stars (2-…