output
19942026
most citedThe Astropy Project: Sustaining and Growing a Community-oriented Open-source Project and the Latest Major Release (v5.0) of the Core Package

5k citations

Showing 2006Show all

57 papers · 1 filter

astro-ph2006★ 15 cited

Fe XIII emission lines in active region spectra obtained with the Solar Extreme-Ultraviolet Research Telescope and Spectrograph

F P Keenan, D B Jess, K M Aggarwal +3

Recent fully relativistic calculations of radiative rates and electron impact excitation cross sections for Fe {\sc xiii} are used to generate emission-line ratios involving 3s$^{2…

astro-ph2006★ 20 cited

Rotation and Color Properties of the Nucleus of Comet 2P/Encke

S. C. Lowry, P. R. Weissman

We present results from CCD observations of comet 2P/Encke acquired at Steward Observatory's 2.3m Bok Telescope on Kitt Peak obtained in Oct. 2002, when the comet was near aphelion…

quant-ph2006★ 16 cited

Accumulation of entanglement in a continuous variable memory

M. Paternostro, M. S. Kim, G. M. Palma

We study the accumulation of entanglement in a memory device built out of two continuous variable (CV) systems. We address the case of a qubit mediating an indirect joint interacti…

astro-ph2006★ 31 cited

Determination of the light curve of the Rosetta target Asteroid (2867) Steins by the OSIRIS cameras onboard Rosetta

M. Kueppers, S. Mottola, S. C. Lowry +9

Context: In 2004 asteroid (2867) Steins has been selected as a flyby target for the Rosetta mission. Determination of its spin period and the orientation of its rotation axis are e…

astro-ph2006★ 27 cited

The JCMT Spectral Legacy Survey

R. Plume, G. A. Fuller, F. Helmich +30

Stars form in the densest, coldest, most quiescent regions of molecular clouds. Molecules provide the only probes which can reveal the dynamics, physics, chemistry and evolution of…

quant-ph2006★ 23 cited

Entanglement generation and protection by detuning modulation

M. Paternostro, M. S. Tame, G. M. Palma +1

We introduce a protocol for steady-state entanglement generation and protection based on detuning modulation in the dissipative interaction between a two-qubit system and a bosonic…

astro-ph2006★ 5 cited

The Peculiar Type Ia Supernova 2005hk

V. Stanishev, S. Taubenberger, G. Blanc +15

We present a preliminary analysis of an extensive set of optical observations of the Type Ia SN 2005hk. We show that the evolution of SN 2005hk closely follows that of the peculiar…

astro-ph2006★ 52 cited

Proof of polar ejection fom the close-binary core of the planetary nebula Abell 63

Deborah L. Mitchell, Don Pollacco, T. J. O'Brien +4

We present the first detailed kinematical analysis of the planetary nebula Abell 63, which is known to contain the eclipsing close-binary nucleus UU Sge. Abell 63 provides an impor…

quant-ph2006★ 124 cited

Experimental Realization of Deutsch's Algorithm in a One-way Quantum Computer

M. S. Tame, R. Prevedel, M. Paternostro +3

We report the first experimental demonstration of an all-optical one-way implementation of Deutsch's quantum algorithm on a four-qubit cluster state. All the possible configuration…

hep-th2006★ 2 cited

Twist and teleportation analogy of the black hole final state

Doyeol Ahn, M. S. Kim

Mathematical connection between the quantum teleportation, the most unique feature of quantum information processing, and the black hole final state is studied taking into account…

physics.atom-ph2006★ 2 cited

Quantum Spectra of Hydrogen Atoms in Various Magnetic Fields with the Closed Orbit Theory

Liang-You Peng, Xian-Zhou Zhang, Jian-Guo Rao

The quantum spectra of hydrogen atoms in various magnetic fields have been calculated with the closed orbit theory. The magnitude of the magnetic field decreases from 5.96 T to 0.5…

astro-ph2006★ 2 cited

The circumstellar environment of rotating Wolf-Rayet Stars and the implications for GRB afterglows

J. J. Eldridge

If Wolf-Rayet stars are the progenitors of Gamma-ray bursts (GRBs), they must rotate rapidly to produce the GRB. This rotation may effect their stellar-wind bubbles and possibly ex…

astro-ph2006★ 77 cited

Photometry of cometary nuclei: Rotation rates, colours and a comparison with Kuiper Belt Objects

Colin Snodgrass, Stephen C. Lowry, Alan Fitzsimmons

We present time-series data on Jupiter Family Comets (JFCs) 17P/Holmes, 47P/Ashbrook-Jackson and 137P/Shoemaker-Levy 2. In addition we also present results from `snap-shot' observa…

quant-ph2006★ 328 cited

Creating and probing macroscoping entanglement with light

M. Paternostro, D. Vitali, S. Gigan +4

We describe a scheme showing signatures of macroscopic optomechanical entanglement generated by radiation pressure in a cavity system with a massive movable mirror. The system we c…

astro-ph2006★ 75 cited

Spitzer measurements of atomic and molecular abundances in the Type IIP SN 2005af

Rubina Kotak, Peter Meikle, Monica Pozzo +12

We present results based on Spitzer Space Telescope mid-infrared (3.6-30 micron) observations of the nearby IIP supernova 2005af. We report the first ever detection of the SiO mole…

astro-ph2006★ 226 cited

A fast hybrid algorithm for exoplanetary transit searches

A. Collier Cameron, D. Pollacco, R. A. Street +22

We present a fast and efficient hybrid algorithm for selecting exoplanetary candidates from wide-field transit surveys. Our method is based on the widely-used SysRem and Box Least-…

cond-mat.mtrl-sci2006★ 158 cited

Structural and chemical embrittlement of grain boundaries by impurities: a general theory and first principles calculations for copper

A. Y. Lozovoi, A. T. Paxton, M. W. Finnis

First principles calculations of the Sigma 5 (310)[001] symmetric tilt grain boundary in Cu with Bi, Na, and Ag substitutional impurities provide evidence that in the phenomenon of…

astro-ph2006★ 106 cited

The Type Ia supernova 2004S, a clone of SN 2001el, and the optimal photometric bands for extinction estimation

Kevin Krisciunas, Peter M. Garnavich, Vallery Stanishev +9

We present optical (UBVRI) and near-infrared (YJHK) photometry of the normal Type Ia supernova 2004S. We also present eight optical spectra and one near-IR spectrum of SN 2004S. Th…

astro-ph2006★ 219 cited

The VLT-FLAMES survey of massive stars: Surface chemical compositions of B-type stars in the Magellanic Clouds

I. Hunter, P. L. Dufton, S. J. Smartt +6

We present an analysis of high-resolution FLAMES spectra of approximately 50 early B-type stars in three young clusters at different metallicities, NGC6611 in the Galaxy, N11 in th…

astro-ph2006★ 302 cited

WASP-1b and WASP-2b: Two new transiting exoplanets detected with SuperWASP and SOPHIE

A. Collier Cameron, F. Bouchy, G. Hebrard +36

We have detected low-amplitude radial-velocity variations in two stars, USNO-B1.0 1219-0005465 (GSC 02265-00107 = WASP-1) and USNO-B1.0 0964-0543604 (GSC 00522-01199 = WASP-2). Bot…

astro-ph2006★ 47 cited

The impact of correlated noise on SuperWASP detection rates for transiting extra-solar planets

A. M. S. Smith, A. Collier Cameron, D. J. Christian +19

We present a model of the stellar populations in the fields observed by one of the SuperWASP-N cameras in the 2004 observing season. We use the Besancon Galactic model to define th…

physics.atom-ph2006★ 95 cited

Positron-molecule annihilation by capture into vibrational Feshbach resonances of infrared-active modes

G. F. Gribakin, C. M. R. Lee

Enhanced positron annihilation on polyatomic molecules is a long-standing and complex problem. We report the results of calculations of resonant positron annihilation on methyl hal…

astro-ph2006★ 1.2k cited

The WASP Project and the SuperWASP Cameras

D. L. Pollacco, I. Skillen, A. Collier Cameron +25

The SuperWASP Cameras are wide-field imaging systems sited at the Observatorio del Roque de los Muchachos on the island of La Palma in the Canary Islands, and the Sutherland Statio…

cond-mat.mtrl-sci2006★ 76 cited

Universality of the Scaling Law for Ferroic Domains

G. Catalan, J. F. Scott, A. Schilling +1

We show how the periodicity of 180^{o} domains as a function of crystal thickness scales with the thickness of the domain walls both for ferroelectric and for ferromagnetic materia…