Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR2.5k papers
- University of MichiganUS2.2k papers
- Brookhaven National LaboratoryUS2.2k papers
- University of California, BerkeleyUS2k papers
- Stony Brook UniversityUS2k papers
- Iowa State UniversityUS1.9k papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR1.9k papers
- University of ChicagoUS1.9k papers
- University of WashingtonUS1.8k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR1.8k papers
- The University of TokyoJP1.8k papers
- University of ArizonaUS1.8k papers
102 papers · 2 filters
3EG J2016+3657: Confirming an EGRET Blazar Behind the Galactic Plane
J. P. Halpern, M. Eracleous, R. Mukherjee +1
We recently identified the blazar-like radio source G74.87+1.22 (B2013+370) as the counterpart of the high-energy gamma-ray source 3EG J2016+3657 in the Galactic plane. However, si…
Long-term Optical Variability of Radio-Selected Quasars from the FIRST Survey
David J. Helfand, Remington P. S. Stone, Beth Willman +5
We have obtained single-epoch optical photometry for 201 quasars, taken from the FIRST Bright Quasar Survey, which span a wide range in radio loudness. Comparison with the magnitud…
Preliminary Results from the 1999 Balloon Flight of the Liquid Xenon Gamma-Ray Imaging Telescope (LXeGRIT)
E. Aprile, U. G. Oberlack, A. Curioni +8
LXeGRIT is a balloon-borne Compton telescope employing a large volume liquid xenon time projection chamber (LXeTPC) as the central gamma-ray detector. It is designed to image gamma…
Performance of the Light Trigger System in the Liquid Xenon Gamma-Ray Telescope LXeGRIT
U. Oberlack, E. Aprile, A. Curioni +1
LXeGRIT is a balloon-borne Compton telescope for MeV gamma-ray astrophysics, based on a liquid xenon time projection chamber with charge and light readout. The energy and direction…
The COMPTEL instrumental line background
G. Weidenspointner, M. Varendorff, U. Oberlack +8
The instrumental line background of the Compton telescope COMPTEL onboard the Compton Gamma-Ray Observatory is due to the activation and/or decay of many isotopes. The major compon…
An Upgraded Data Acquisition System for the Balloon-Borne Liquid Xenon Gamma-Ray Telescope LXeGRIT
E. Aprile, A. Curioni, K. Giboni +2
LXeGRIT is a balloon-borne Compton telescope for MeV gamma-ray astrophysics, based on a liquid xenon time projection chamber (LXe-TPC) with charge and light readout. The first ball…
Spectroscopy and Imaging Performance of the Liquid Xenon Gamma-Ray Imaging Telescope (LXeGRIT)
E. Aprile, A. Curioni, V. Egorov +8
LXeGRIT is a balloon-borne Compton telescope based on a liquid xenon time projection chamber (LXeTPC) for imaging cosmic \g-rays in the energy band of 0.2-20 MeV. The detector, wit…
Compton scattering sequence reconstruction algorithm for the liquid xenon gamma-ray imaging telescope (LXeGRIT)
U. G. Oberlack, E. Aprile, A. Curioni +2
The Liquid Xenon Gamma-Ray Imaging Telescope (LXeGRIT) is a balloon born experiment sensitive to \g -rays in the energy band of 0.2-20 MeV. The main detector is a time projection c…
A radio supernova remnant associated with the young pulsar J1119-6127
Fronefield Crawford, B. M. Gaensler, V. M. Kaspi +4
We report on Australia Telescope Compact Array observations in the direction of the young high magnetic-field pulsar J1119-6127. In the resulting images we identify a non-thermal r…
DarkSUSY - A numerical package for dark matter calculations in the MSSM
Paolo Gondolo, Joakim Edsjo, Lars Bergstrom +2
The question of the nature of the dark matter in the Universe remains one of the most outstanding unsolved problems in basic science. One of the best motivated particle physics can…
The black hole mass vs bulge mass relationship in spiral galaxies
A. Marconi, D. Axon, J. Atkinson +15
We describe an on-going HST program aimed at determining the relationship between the nuclear black hole mass and bulge mass in spiral galaxies. We have selected a volume limited s…
Discovery of Five Binary Radio Pulsars
F. Camilo, A. G. Lyne, R. N. Manchester +8
We report on five binary pulsars discovered in the Parkes multibeam Galactic plane survey. All of the pulsars are old, with characteristic ages 1-11 Gyr, and have relatively small…
The Nuclei of Nearby Radio-Loud Ellipticals
G. A. Verdoes Kleijn, P. T. de Zeeuw, S. A. Baum +5
We have observed a complete sample of 21 nearby (D < 70h^{-1} Mpc) Fanaroff & Riley Type I galaxies with HST/WFPC2 and detected dust disks and lanes in 19 of them. The radio jets a…
PSR J1740-3052 - a pulsar with a massive companion
I. H. Stairs, R. N. Manchester, A. G. Lyne +14
We report on the discovery of a binary pulsar, PSR J1740-3052, during the Parkes multibeam survey. Timing observations of the 570-ms pulsar at Jodrell Bank and Parkes show that it…
The Brown Dwarf Mass Function from Pixel Microlensing
E. A. Baltz, J. Silk
We argue that gravitational microlensing is a feasible technique for measuring the mass function of brown dwarf stars in distant galaxies. Microlensing surveys of the bulge of M31,…
Stellar Coronae with \textit{XMM-Newton} RGS. II. X-ray Variability
M. Audard, M. Guedel, A. J. den Boggende +16
First results from high-resolution coronal spectroscopy of flares with the Reflection Grating Spectrometers on board the \textit{XMM-Newton} satellite are reviewed. Rotational modu…
Stellar Coronae with \textit{XMM-Newton} RGS. I. Coronal Structure
M. Guedel, M. Audard, A. J. den Boggende +16
First results from high-resolution coronal spectroscopy with the {\it XMM-Newton} Reflection Grating Spectrometers (RGS) are reviewed. Five stellar systems (HR 1099, Capella, Procy…
Constraints from the Lyman alpha forest power spectrum
Matias Zaldarriaga, Lam Hui, Max Tegmark
We use published measurements of the transmission power spectrum of the Lyman alpha forest to constrain several parameters that describe cosmology and thermal properties of the int…
Detection of X-ray line emission from the shell of SNR B0540-69.3 with XMM-Newton RGS
K. J. van der Heyden, F. Paerels, J. Cottam +2
We present X-ray observations of PSR 0540-69.3 with the XMM-Newton observatory. The spectra obtained with the Reflection Grating Spectrometer reveal, for the first time, emission f…
A Giant Bipolar Shell around the WO star in the Galaxy IC 1613: Structure and Kinematics
V. L. Afanasiev, T. A. Lozinskaya, A. V. Moiseev +1
Observations of the nebula associated with the WO star in the galaxy IC 1613 are presented. The observations were carried out with a scanning Interferometer Fabry-Perot in H_alpha…
The Metallicity of 0.5<z<1 Field Galaxies
C. M. Carollo, S. J. Lilly
We have measured the emission line ratios in a sample of 34 CFRS star-forming galaxies with redshifts between 0.5 < z < 1.0, and computed their metallicities by means of the empiri…
Radio Pulsars in the Magellanic Clouds
F. Crawford, V. M. Kaspi, R. N. Manchester +3
We report the results of a survey of the Small Magellanic Cloud (SMC) for radio pulsars conducted with the 20-cm multibeam receiver of the Parkes 64-meter telescope. This survey ta…
Observation of X-ray lines from a Gamma-Ray Burst (GRB991216): Evidence of Moving Ejecta from the Progenitor
L. Piro, G. Garmire, M. Garcia +18
We report on the discovery of two emission features observed in the X-ray spectrum of the afterglow of the gamma-ray burst (GRB) of 16 Dec. 1999 by the Chandra X-Ray Observatory. T…
High-resolution X-ray spectroscopy and imaging of supernova remnant N132D
Ehud Behar, Andrew P. Rasmussen, R. Gareth Griffiths +4
The observation of the supernova remnant N132D by the scientific instruments on board the XMM-Newton satellite is presented. The X-rays from N132D are dispersed into a detailed lin…