output
19922026
most citedMeasurements of Omega and Lambda from 42 High-Redshift Supernovae

18.1k citations

Showing 2003 · astro-phShow all

30 papers · 2 filters

astro-ph2003★ 112 cited

Aerogel keystones: extraction of complete hypervelocity impact events from aerogel collectors

Andrew J. Westphal, Christopher J. Snead, Anna L. Butterworth +7

In January 2006, the Stardust mission will return the first samples from a solid solar-system body since Apollo, and the first samples of contemporary interstellar dust ever collec…

astro-ph2003★ 7 cited

Spectral analysis of 50 GRBs detected by HETE-2

C. Barraud, the HETE-2 team

FREGATE, the gamma-ray detector of HETE-2 is entirely dedicated to the study of GRBs. Its main characteristic is its broad energy range, from 7 keV to 400 keV. This energy range ca…

astro-ph2003★ 152 cited

SPI/INTEGRAL in-flight performance

J. -P. Roques, S. Schanne, A. von Kienlin +23

The SPI instrument has been launched on-board the INTEGRAL observatory on October 17, 2002. SPI is a spectrometer devoted to the sky observation in the 20 keV-8 MeV energy range us…

astro-ph2003★ 231 cited

Discovery of a New Transient Magnetar Candidate: XTE J1810-197

A. I. Ibrahim, C. Markwardt, J. Swank +10

We report the discovery of a new X-ray pulsar, XTE J1810-197. The source was serendipitously discovered on 2003 July 15 by the Rossi X-ray Timing Explorer (RXTE) while observing th…

astro-ph2003★ 26 cited

SPI/INTEGRAL observation of the Cygnus region

L. Bouchet, E. Jourdain, J. -P. Roques +22

We present the analysis of the first observations of the Cygnus region by the SPI spectrometer onboard the Integral Gamma Ray Observatory, encompassing 600 ks of data. Thr…

astro-ph2003★ 78 cited

Highlights of the HETE-2 Mission

D. Q. Lamb, G. R. Ricker, J. -L. Atteia +37

The HETE-2 mission has been highly productive. It has observed more than 250 GRBs so far. It is currently localizing 25 - 30 GRBs per year, and has localized 43 GRBs to date. Twent…

astro-ph2003★ 74 cited

Testing Lorentz Invariance with GRB021206

Steven E. Boggs, Cornelia B. Wunderer, Kevin Hurley +1

Since the discovery of the cosmological origin of GRBs there has been growing interest in using these transient events to probe the quantum gravity energy scale in the range 10^16-…

astro-ph2003★ 53 cited

A close look at the state transitions of Galactic black hole transients during outburst decay

E. Kalemci, J. A. Tomsick, R. E. Rothschild +2

We characterize the evolution of spectral and temporal properties of several Galactic black hole transients during outburst decay using the data from well sampled PCA/\rxte observa…

astro-ph2003★ 36 cited

On the Photometric Accuracy of RHESSI Imaging and Spectrosocopy

Markus J. Aschwanden, Thomas R. Metcalf, Sam Krucker +4

We compare the photometric accuracy of spectra and images in flares observed with the Ramaty High Energy Solar Spectroscopic Imager (RHESSI)}spacecraft. We test the accuracy of the…

astro-ph2003★ 20 cited

MAXIMA: A Balloon-Borne Cosmic Microwave Background Anisotropy Experiment

B. Rabii, C. D. Winant, M. E. Abroe +20

We describe the Millimeter wave Anisotropy eXperiment IMaging Array (MAXIMA), a balloon-borne experiment designed to measure the temperature anisotropy of the Cosmic Microwave Back…

astro-ph2003★ 78 cited

Scientific Highlights of the HETE-2 Mission

D. Q. Lamb, G. R. Ricker, J-L. Atteia +37

The HETE-2 mission has been highly productive. It has observed more than 250 GRBs so far. It is currently localizing 25 - 30 GRBs per year, and has localized 43 GRBs to date. Twent…

astro-ph2003★ 89 cited

INTEGRAL Spectrometer SPI's GRB detection capabilities. GRBs detected inside SPI's FoV and with the anticoincidence system ACS

A. von Kienlin, V. Beckmann, A. Rau +15

The spectrometer SPI, one of the two main instruments of the INTEGRAL spacecraft, offers significant gamma-ray burst detection capabilities. In its 35 deg (full width) field of vie…

astro-ph2003★ 18 cited

MAXIPOL: A Balloon-borne Experiment for Measuring the Polarization Anisotropy of the Cosmic Microwave Background Radiation

B. R. Johnson, M. E. Abroe, P. Ade +17

We discuss MAXIPOL, a bolometric balloon-borne experiment designed to measure the E-mode polarization anisotropy of the cosmic microwave background radiation (CMB) on angular scale…

astro-ph2003★ 17 cited

The effects of low temporal frequency modes on minimum variance maps from PLANCK

R. Stompor, M. White

We estimate the effects of low temporal frequency modes in the time stream on sky maps such as expected from the PLANCK experiment -- a satellite mission designed to image the sky…

astro-ph2003★ 14 cited

Correlations Between the WMAP and MAXIMA Cosmic Microwave Background Anisotropy Maps

M. E. Abroe, J. Borrill, P. G. Ferreira +10

We cross-correlate the cosmic microwave background temperature anisotropy maps from the WMAP, MAXIMA-I, and MAXIMA-II experiments. We use the cross-spectrum, which is the spherical…

astro-ph2003★ 71 cited

Detection of Low-Hard State Spectral and Timing Signatures from the Black Hole X-Ray Transient XTE J1650-500 at Low X-Ray Luminosities

John A. Tomsick, Emrah Kalemci, Philip Kaaret

Using the Chandra X-ray Observatory and the Rossi X-ray Timing Explorer, we have studied the black hole candidate (BHC) X-ray transient XTE J1650-500 near the end of its 2001-2002…

astro-ph2003★ 86 cited

High-Resolution Spectroscopy of Gamma-Ray Lines from the X-Class Solar Flare of 23 July, 2002

David M. Smith, Gerald H. Share, Ronald J. Murphy +3

The Reuven Ramaty High Energy Solar Spectroscopy Imager (RHESSI) has obtained the first high-resolution measurements of nuclear de-excitation lines produced by energetic ions accel…

astro-ph2003★ 16 cited

The 2001 April Burst Activation of SGR 1900+14: Pulse Properties and Torque

P. M. Woods, C. Kouveliotou, E. Gogus +10

We report on observations of SGR 1900+14 made with the Rossi X-ray Timing Explorer (RXTE) and BeppoSAX during the April 2001 burst activation of the source. Using these data, we me…

astro-ph2003★ 33 cited

The 2001 April Burst Activation of SGR 1900+14: X-ray afterglow emission

M. Feroci, S. Mereghetti, P. Woods +8

After nearly two years of quiescence, the soft gamma-ray repeater SGR 1900+14 again became burst-active on April 18 2001, when it emitted a large flare, preceded by few weak and so…

astro-ph2003★ 36 cited

The Effects of Massive Substructures on Image Multiplicities in Gravitati onal Lenses

J. D. Cohn, C. S. Kochanek

Surveys for gravitational lens systems have typically found a significantly larger fraction of lenses with four (or more) images than are predicted by standard ellipsoidal lens mod…

astro-ph2003★ 358 cited

Polarization of the prompt gamma-ray emission from the gamma-ray burst of 6 December 2002

W. Coburn, S. E. Boggs

Observations of the afterglows of gamma-ray bursts (GRBs) have revealed that they lie at cosmological distances, and so correspond to the release of an enormous amount of energy. T…

astro-ph2003★ 42 cited

The Reuven Ramaty High Energy Solar Spectroscopic Imager observation of the 1809 keV line from Galactic 26Al

David M. Smith

Observations of the central radian of the Galaxy by the Reuven Ramaty High Energy Solar Spectroscopy Imager (RHESSI) have yielded a high-resolution measurement of the 1809 keV line…

astro-ph2003★ 40 cited

X-Ray Flares and Oscillations from the Black Hole Candidate X-Ray Transient XTE J1650-500 at Low Luminosity

John A. Tomsick, Emrah Kalemci, Stephane Corbel +1

We report on X-ray observations made with the Rossi X-ray Timing Explorer of the black hole candidate (BHC) transient XTE J1650-500 at the end of its first, and currently only, out…

astro-ph2003★ 25 cited

Weak Lensing from Space I: Instrumentation and Survey Strategy

Jason Rhodes, Alexandre Refregier, Richard Massey +1

A wide field space-based imaging telescope is necessary to fully exploit the technique of observing dark matter via weak gravitational lensing. This first paper in a three part ser…