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Posts by astro-ph
Dust Attenuation and H-alpha Star Formation Rates of z~0.5 Galaxies
Thursday, February 2nd, 2012Tags: alpha line, alpha star, attenuation, broad band, consistent result, decrement, dex, extinction, galaxy, magnitude, micron, rest frame, rms, sigma, spectra, spectral energy distribution, star formation rate, stellar mass, wavelength
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Dust to Dust: 3 years in the Evolution of the Unusual SN 2008S
Thursday, February 2nd, 2012Tags: 3 years, dust emission, dust to dust, hst, hubble space telescope, ir imaging, large binocular telescope, lbt, mag 2, magnitude limit, micron, msun, progenitor star, spitzer space telescope, sst, steady decline, vicinity, wavelength
Posted in New, Solar and Stellar, astro-ph | No Comments
Unmasking the Supernova Impostors
Thursday, February 2nd, 2012Tags: archetype, canonical model, dust emission, eddington limit, ejecta, emission, energetics, eta carinae, evolution, high mass, impostor, low mass, mass loss rates, optical depth, physics, progenitor star, shell, standard model, Supernova, transients
Posted in New, Solar and Stellar, astro-ph | No Comments
Energetic feedback and $^{26}$Al from massive stars and their supernovae in the Carina region
Thursday, February 2nd, 2012Tags: best fit, carina nebula, cgro, cm 2, compton gamma ray, compton gamma ray observatory, energetics, few degrees, gamma ray observatory, massive star, myr, o star, sigma, spectral type, stellar cluster, stellar mass, stellar population, strong wind, supernova explosion, supernovae
Posted in Galactic, High Energy, New, Solar and Stellar, astro-ph | No Comments
Oscillating Asymmetric Dark Matter [Cross-Listing]
Thursday, February 2nd, 2012Tags: annihilation, boson, dark matter, density matrix, exhibits, field theory, first principle, interaction type, matrix equations, oscillation, pair, particle, vector, washout
Posted in Cosmology and Extragalactic, Cross-Listings, astro-ph | No Comments
Cosmography from two-image lens systems: overcoming the lens profile slope degeneracy
Thursday, February 2nd, 2012Tags: arc, compact source, component source, cosmography, cosmological studies, high resolution imaging, image components, image system, lens mass, lens system, mass distribution, multiple images, point spread, precisions, spread function, stable point, substantial advance, time delay
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Inflation and dark matter in two Higgs doublet models [Cross-Listing]
Thursday, February 2nd, 2012Tags: annihilation, constraint, coupling, dark matter, gravity, higgs boson, higgs mass, higgs sector, implication, inflation, initial condition, low energy, parameter space, stability condition, standard model, suppression, symmetry, two higgs, vacuum
Posted in Cosmology and Extragalactic, Cross-Listings, astro-ph | No Comments
The contribution of starbursts and normal galaxies to infrared luminosity functions at z < 2
Thursday, February 2nd, 2012Tags: decomposition, density, evolution, galaxy, invariant, ir luminosity, luminosity function, main sequence, mass function, redshift, shape, star formation rate, starburst, stellar mass, threshold
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Bayesian analysis of polarization measurements
Thursday, February 2nd, 2012Tags: assumption, Measurement, parameter, polarization measurements, signal to noise
Posted in Instrumentation and Methods, New, astro-ph | No Comments
Precise Infrared Radial Velocities from Keck/NIRSPEC and the Search for Young Planets
Thursday, February 2nd, 2012Tags: beta pic, dominant source, field star, hot jupiters, hya, infrared wavelength, keck observatory, mass companions, measurement error, optical observation, radial velocity, radial velocity measurements, rotating stars, spectroscopic binary, spot noise, star spot, type star, wavelength calibration, young stars
Posted in Instrumentation and Methods, New, Solar and Stellar, astro-ph | No Comments
Bayesian Analysis of Inflation III: Slow Roll Reconstruction Using Model Selection
Thursday, February 2nd, 2012Tags: conjunction, constraint, dataset, epsilon, eta, hierarchy, inflation, inflationary cosmology, inverse problem, model selection, nontrivial, optimal solution, parameter, reconstruction, scale structure, sdss data, south pole telescope, structure data, telescope observations
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
An Oxygen Abundance Gradient into the Outer Disk of M81
Thursday, February 2nd, 2012Tags: abundance gradients, alpha imaging, calibration, chemical evolution, distance, electron temperature, galaxy, galaxy interaction, gradient, hii region, interaction history, kdg, kpc, optical disk, oxygen abundance, simulation, spectra, spiral galaxy, star formation, tidal tail
Posted in Cosmology and Extragalactic, Galactic, New, astro-ph | No Comments
Neutrinos and cosmic rays
Thursday, February 2nd, 2012Tags: cosmic ray, energy neutrino, gamma ray, high energy, propagation, solar system
Posted in High Energy, New, astro-ph | No Comments
All Curled Up: A Numerical Investigation of Shock-Bubble Interactions and the Role of Vortices in Heating Galaxy Clusters
Thursday, February 2nd, 2012Tags: active galactic nuclei, cavity, density contrast, differential rotation, dimensional case, galaxy cluster, hydrodynamic simulation, intracluster medium, kinetic energy, laboratory experiment, mach number, numerical investigation, rho, sound wave, standoff, velocity field, viscous dissipation, vortex, vortex energy, vortices
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
On the Application of Wesenheit Function in Deriving Distance to Galactic Cepheids
Thursday, February 2nd, 2012Tags: cepheid, derivation, dispersion, distance, large magellanic cloud, modulus
Posted in New, Solar and Stellar, astro-ph | No Comments
The shallow-decay phase in both optical and x-ray afterglows of Swift GRB 090529A: Energy injection into a wind-type medium?
Thursday, February 2nd, 2012Tags: axis, burst, closure, constraint, decay phase, energy injection, external shock, forward shock, ism, models, optical light curve, optical observation, parameter, segment, signature, spectral region, swift grb, time interval, wavelength, x ray
Posted in High Energy, New, astro-ph | No Comments
Radiative Models of Sagittarius A* and M87 from Relativistic MHD Simulations
Thursday, February 2nd, 2012Tags: ALMA, black hole, consensus, direct evidence, electron, emission region, event horizon, geometry, hole accretion, hole event, large scale, lmt, m87, mhd simulation, millimeter, radiative transfer calculations, SGR, Telescope, uncertainty, unprecedented study
Posted in High Energy, New, astro-ph | No Comments
Inclusive Constraints on Unified Dark Matter Models from Future Large-Scale Surveys
Thursday, February 2nd, 2012Tags: accurate data, CMB, components of the universe, concordance, cosmic shear, cosmological model, cosmology, dark matter and dark energy, euclid, expansion of the universe, lagrangian, linear dynamics, perturbation, planck, promising candidate, scalar field, scale structure, scale survey, speed of sound, udm
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
AstroParticle Physics at the Highest Energies
Thursday, February 2nd, 2012Tags: arrival direction, astronomy, astroparticle physics, composition, cosmic accelerators, cosmic particles, cosmic ray, galaxy, gamma ray sources, gzk, highest energy, intermediate energy, international effort, laboratory energies, neutrino, observatory, orders of magnitude, origin of cosmic rays, particle interactions, spectral feature
Posted in High Energy, New, astro-ph | No Comments
The influences of the Magellanic Clouds on the Galaxy: Pole shift, warp, and star formation history
Thursday, February 2nd, 2012Tags: dark matter halo, dynamical interaction, galactic pole, galaxy interaction, kpc, large magellanic cloud, lmc galaxy, magellanic cloud, muas, numerical simulation, nutation, orbital parameters, pole shift, solar neighborhood, spiral arm, star formation history, star formation rate, tidal force, velocity dispersion, vertical velocity
Posted in Galactic, New, astro-ph | No Comments
Radio Imaging of the NGC 2024 FIR 5/6 Region: a Hypercompact H II Region Candidate in Orion
Thursday, February 2nd, 2012Tags: angular resolution, archival data, compact source, dust continuum emission, existence, fir, ionized gas, map, maser, millimeter, mixture, nebulosity, NGC, radio imaging, seds, solar luminosity, solar mass, source size, spectral energy distribution
Posted in Galactic, New, astro-ph | No Comments
Transformations between WISE and 2MASS, SDSS, BVI photometric systems: II. Transformation equations for red clump stars
Thursday, February 2nd, 2012Tags: 2mass, absolute magnitude, apparent magnitude, bvi, clump, determinations, digital sky survey, field survey, galactic structure, gri, micron, photometric system, photometry, radial velocity, sdss, sloan digital, space density, transformation equations, w1 w2, wavelength
Posted in Galactic, New, astro-ph | No Comments
Bayesian mixture models for Poisson astronomical images
Thursday, February 2nd, 2012Tags: algorithm, astronomical image, background source, chandra data, cosmic background, electromagnetic spectrum, estimation, feasibility study, incompleteness, intensity, mixture model, poisson statistics, regime, rosat, separation technique, source detection, source separation, steep gradient, uncertainty, x ray
Posted in Cosmology and Extragalactic, Instrumentation and Methods, New, astro-ph | No Comments
Cores in Infra-Red Dark Clouds (IRDCs) seen in the Hi-GAL survey between l = 300{\deg} and l = 330{\deg}
Thursday, February 2nd, 2012Tags: bright clouds, circ, cloud 149, dark cloud, dark regions, deg, dense cloud, dense core, galactic plane survey, herschel, hole in the sky, inference, infrared data, infrared emission, lifetime, point source, star formation rate, wavelength
Posted in Galactic, New, astro-ph | No Comments
Applying the Background-Source separation algorithm to Chandra Deep Field South data
Thursday, February 2nd, 2012Tags: angular resolution, background source, celestial source, Chandra, diffuse background, exposure time, mixture model, morphological parameters, multi resolution analysis, probability maps, satellite, source position, source separation, step algorithm, thin plate, time source
Posted in Cosmology and Extragalactic, Instrumentation and Methods, New, astro-ph | No Comments
A possible ultra strong and broad Fe Ka emission line in Seyfert 2 galaxy IRAS 00521-7054
Thursday, February 2nd, 2012Tags: absorber, accretion disk, AGN, chi 2, cm 2, confidence level, continuum, emission line, gamma, inclination angle, ira, keV, rest frame, spectra, supermassive black hole, x ray
Posted in High Energy, New, astro-ph | No Comments
Herschel-ATLAS: towards a sample of ~1000 strongly-lensed galaxies
Thursday, February 2nd, 2012Tags: atlas data, demonstration phase, density, flux density, galaxy, galaxy population, halo, herschel, mjy, model prediction, phase field, purity, redshift, redshift distribution, s 500, science demonstration, surface density, survey area, viking, z star
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Neutral interstellar helium parameters based on IBEX-Lo observations and test particle calculations
Thursday, February 2nd, 2012Tags: dynamic pressure, ecliptic longitude, flow direction, flow vector, heliospheric interface, interstellar absorption, interstellar cloud, interstellar gas, interstellar medium, interstellar plasma, magnetic field, neutral helium, nishe, observation results, pressure balance, simulation, simulation code, solar system, test particle, ulysses
Posted in Galactic, New, Solar and Stellar, astro-ph | No Comments
Tunable filter imaging of high redshift quasar fields
Thursday, February 2nd, 2012Tags: alpha emitter, emission line galaxies, galaxy, lyman alpha, magnitude, mpc, mrc, number density, simulation, square arcminutes, taurus, wavelength
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Chemical complexity in NGC1068
Thursday, February 2nd, 2012Tags: chemical complexity, chemistry, column density, cosmic ray, density ratio, interstellar medium, iram 30m telescope, kpc, m82, molecular species, origin of the species, pdr, prime indicator, radiation field, spectral feature, starburst galaxy, thermodynamic equilibrium, uv radiation, x ray
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Backreaction and the Covariant Formalism of General Relativity [Cross-Listing]
Thursday, February 2nd, 2012Tags: arbitrary number, dark energy, formalism, general relativity, generalization, geometry, global constraint, gravity, spatial dimension, thesis, topology
Posted in Cosmology and Extragalactic, Cross-Listings, astro-ph | No Comments
Possible optical counterpart of PSR J1357–6429
Thursday, February 2nd, 2012Tags: AGN, centre position, error circle, gamma ray, nebula, optical counterpart, optical identification, optical observation, proper motion, pulsars, radio pulsar, spectral domain, spectral index, TeV, transverse velocity, vela pulsar, vlt, x ray
Posted in New, Solar and Stellar, astro-ph | No Comments
Optical Integral Field Spectroscopy of NGC 5850
Thursday, February 2nd, 2012Tags: continuum, field spectroscopy, galaxy ngc, integral field, kinematic, kpc, peak location, preliminary results, sf region
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Galactic Sources Science With Agile: The Case Of The Carina Region
Thursday, February 2nd, 2012Tags: car system, carina nebula, dataset, emisphere, eta carinae, galactic plane, galactic sources, gamma ray sources, giant molecular cloud, hii region, livetime, massive star cluster, massive star formation, mev, oct 11, possible association, satellite, surface brightness, time period, variability
Posted in High Energy, New, astro-ph | No Comments
A planetary system around the nearby M dwarf GJ 667C with at least one super-Earth in its habitable zone
Thursday, February 2nd, 2012Tags: 28 days, atmospheric composition, canonical definition, doppler measurement, dwarf, gas giant, habitable zone, instrumental effects, keck, least square, liquid water, minimum mass, pfs, planetary system, proper motion, public archive, radial velocity, rotation period, super earth, triple star system
Posted in Earth and Planetary, New, astro-ph | No Comments
Constraining the dark energy and smoothness parameter with SNe Ia and Gamma-Ray Bursts
Thursday, February 2nd, 2012Tags: assumption, clump, compilation, constraint, cosmological tests, dark energy, density parameter, existence, gamma ray burst, grb data, grbs, matter density, parameter, presence, roeder, smoothness, sne ia, type ia, universe, zeldovich
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
On the molecular gas content and SFR in Hickson Compact Groups: enhanced or deficient?
Thursday, February 2nd, 2012Tags: atomic hydrogen, deficiencies, density environments, evolutionary phase, extreme environment, fir luminosity, gas content, hickson compact groups, iras data, isolated galaxies, mhi, redshift, replenishment, sfe, sfr, spiral galaxy, star formation rate, stellar mass, tidal interaction
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Double degenerate mergers as progenitors of high-field magnetic white dwarfs
Thursday, February 2nd, 2012Tags: convective, core, corona, magnetic field, merger, Monte Carlo, outer layers, precise mechanism, progenitor, remnant, solar neighborhood, state of the art, timescale, white dwarf
Posted in New, Solar and Stellar, astro-ph | No Comments
High Energy Neutrinos and Cosmic Rays
Thursday, February 2nd, 2012Tags: acceleration mechanism, cosmic radiation, cosmic ray, distributions, energy neutrino, gev energy, high energy, mass composition, neutral particle, sky, terrestrial sources, theoretical status
Posted in High Energy, New, astro-ph | No Comments
Nucleosynthesis and Gamma-Ray Line Spectroscopy with INTEGRAL
Thursday, February 2nd, 2012Tags: 7be, core collapse, cosmic nucleosynthesis, ejecta, emission line, energy records, gamma ray, gamma ray emission, inner galaxy, integral mission, interstellar gas, line energy, massive star, radioactive decay, spectral resolution, star group, supernova rate, unstable isotopes, velocity constraints
Posted in High Energy, New, astro-ph | No Comments
Dust effects on the derived Sersic indexes of disks and bulges in spiral galaxies
Thursday, February 2nd, 2012Tags: absence, bulge, distributions, images, index, intrinsic values, parameter, radiative transfer calculations, spiral galaxy, theoretical study, thick line
Posted in Galactic, New, astro-ph | No Comments
Period doubling and non-linear resonance in the black hole candidate IGR J17091-3624 ?
Thursday, February 2nd, 2012Tags: altamirano, belloni, black hole, frequency ratio, high frequency, hole candidate, nonlinear interaction, periodic oscillation, phenomena, pulsating star, resonance, solar mass, type variables
Posted in High Energy, New, astro-ph | No Comments
Local Interstellar Neutral Hydrogen sampled in-situ by IBEX
Thursday, February 2nd, 2012Tags: arrival direction, discovery, gravitational force, hydrogen gas, inner heliosphere, interaction, interstellar neutral hydrogen, ionization, local interstellar medium, neutral helium, radiation pressure, sampling, solar radiation, solar variability, temporal change, unity, variation
Posted in New, Solar and Stellar, astro-ph | No Comments
The enigmatic black-hole candidate and X-ray transient IGR J17091-3624 in its quiescent state as seen with XMM-Newton
Thursday, February 2nd, 2012Tags: black hole, candidate system, hole candidate, hole system, kpc, observation, orbital period, order of magnitude, percents, quiescent state, tens, transients, variability, x ray, xmm newton
Posted in High Energy, New, astro-ph | No Comments
Color Gradients in Galaxies Out to z~3: Dependence on Galaxy Properties
Thursday, February 2nd, 2012Tags: acs, color gradient, dependence, galaxy, galaxy properties, hst
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
A Comparison of the LVDP and {\Lambda}CDM Cosmological Models [Cross-Listing]
Thursday, February 2nd, 2012Tags: cosmological model, current observations, deceleration parameter, kinematic, lambda cdm, universe
Posted in Cosmology and Extragalactic, Cross-Listings, astro-ph | No Comments
The Nature of Extremely Red H-[4.5]>4 Galaxies revealed with SEDS and CANDELS
Thursday, February 2nd, 2012Tags: aim, band photometry, hubble space telescope, internal extinction, massive galaxy, micron, photometric redshift, population, seds, spectral energy distribution, Spitzer
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
The ionized gas in the CALIFA early-type galaxies I. Mapping two representative cases: NGC 6762 and NGC 5966
Thursday, February 2nd, 2012Tags: 2d analysis, continuum, ellipsoid, emission line, excitation mechanism, gas emission, ism, kpc, line ratio, major axis, morphology, nii, photoionization, pma, representative case, spectra, spectrophotometer, starlight, type galaxy
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Discovery of Halpha satellite emission in a low state of the SW Sextantis star BB Doradus
Thursday, February 2nd, 2012Tags: absorption, accretion, binary components, discovery, doradus, emission line, halpha emission, magnetic cataclysmic variables, optical spectrum, satellite lines, secondary star, sex star, signature, trough
Posted in New, Solar and Stellar, astro-ph | No Comments
CARMA follow-up of the northern unconfirmed PLANCK galaxy cluster candidates
Thursday, February 2nd, 2012Tags: cluster candidates, cold core, confidence, core object, existence, galaxy cluster, massive cluster, planck, purity, satellite, Sun
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Source Plane Reconstruction of The Bright Lensed Galaxy RCSGA 032727-132609
Thursday, February 2nd, 2012Tags: arc, geometry, high resolution imaging, lens model, lensed galaxy, optical spectra, reconstruction, scale structure
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
A third cluster of red supergiants in the vicinity of the massive cluster RSGC3
Thursday, February 2nd, 2012Tags: 2mass, active sites, clump, cluster, contamination, initial mass, kpc, line of sight, massive cluster, medium resolution, micron, open cluster, possible association, red supergiant, resolution infrared spectroscopy, solar mass, spectral type, stellar formation, velocities, vicinity
Posted in Galactic, New, Solar and Stellar, astro-ph | No Comments
A measurement of gravitational lensing of the microwave background using South Pole Telescope data
Thursday, February 2nd, 2012Tags: amplitude, cosmic microwave background, cosmological model, fiducial, fluctuation, gravitational lensing, gravitational potential, Measurement, power spectrum, redshift range, sigma, signature, south pole telescope, telescope data
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Can dust emission be used to map the interstellar medium in high-redshift galaxies? Results from the Herschel Reference Survey
Thursday, February 2nd, 2012Tags: accuracy, calibration, cluster survey, continuum, dispersion, galaxy, herschel, interstellar medium, ism, m31, mass of hydrogen, Measurement, measurements, Milky Way, planck, redshift galaxies, virgo cluster, x factor
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Limb darkening laws for two exoplanet host stars derived from 3D stellar model atmospheres
Thursday, February 2nd, 2012Tags: atmospheric radiation, brightness distribution, exoplanet, explicit simulation, granulation, hd 189733, hd 209458, host star, hst data, hst observation, hubble space telescope, hydrodynamical model, least square, light curves, model atmosphere, observational tests, radiation field, stellar disk, stellar model, temperature structure
Posted in Earth and Planetary, New, Solar and Stellar, astro-ph | No Comments
Spectral Index and Non-Gaussianity in Supersymmetric Hybrid Inflation [Replacement]
Thursday, February 2nd, 2012Tags: coupling, dimensionless, eigenstate, gev, inflation, kappa kappa, light mass, spectral index, symmetry
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
A Time-Asymmetric Process in Central Force Scatterings [Replacement]
Thursday, February 2nd, 2012Tags: attractive force, equilibration, high speed, light particle, repulsive force, speeding through space, statistical analysis
Posted in Cosmology and Extragalactic, Galactic, Replacements, astro-ph | No Comments
Model for common growth of supermassive black holes, bulges and globular star clusters: ripping off Jeans clusters [Replacement]
Thursday, February 2nd, 2012Tags: bulge, central star, close encounter, coagulation, dark halo, earth mass, galactic bulge, galactic center, galactic halo, galaxy center, globular cluster, globular star cluster, gyr, hole mass, massive black hole, parsec, star formation rate, supermassive black hole, tidal force, trillion
Posted in Cosmology and Extragalactic, Galactic, Replacements, astro-ph | No Comments
The size of the jet launching region in M87 [Replacement]
Thursday, February 2nd, 2012Tags: accretion flows, baseline, direct evidence, event horizon, hole accretion, hole candidate, jet model, kiloparsec, m87 nucleus, mhd simulation, millimeter wavelength, radiative transfer calculations, relative proximity, relativistic jet, schwarzschild radii, source size, spectral property, supermassive black hole, very long baseline interferometry
Posted in High Energy, Replacements, astro-ph | No Comments
Bayesian inference of galaxy formation from the K-band luminosity function of galaxies: tensions between theory and observation [Replacement]
Thursday, February 2nd, 2012Tags: accretion, analytic model, dark matter halo, free parameter, galaxy formation, global star formation, hi mass function, high mass, initial mass function, k band, low mass, luminosity function, magnitude relation, mass density, mass function, model family, model parameter, observational result, star formation history, stellar mass
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
Vacuum polarization induced by a cosmic string in anti-de Sitter spacetime [Replacement]
Thursday, February 2nd, 2012Tags: coincidence, cosmic string, curvature radius, de sitter, decay, distance, expectation value, expression, horizon, literature, massive fields, momentum, presence, quantum field, spacetime, vacuum polarization
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
Probing Lorentz Violation in Neutrino Propagation from a Core-Collapse Supernova [Replacement]
Thursday, February 2nd, 2012Tags: confidence level, core collapse supernova, dimensional simulation, emission, fluctuation, gev, lorentz invariance, mass scale, millisecond, neutrino, orders of magnitude, propagation, quantum gravity, sensitive probe, short time, space time, supernova explosion, time scale, velocities, wavelet technique
Posted in High Energy, Replacements, astro-ph | No Comments
Scaling Symmetry Makes Spherical Hydrostatics Integrable [Replacement]
Thursday, February 2nd, 2012Tags: appendix, approximation, common core, conservation law, core radius, density structure, differential, envelopes, hydrostatics, invariant, main sequence star, mass density, mechanical structure, second order differential equation, symmetry, variational formulation, white dwarf, zero age
Posted in Replacements, Solar and Stellar, astro-ph | No Comments
Thermonuclear fusion in dense stars: Electron screening, conductive cooling, and magnetic field effects [Replacement]
Thursday, February 2nd, 2012Tags: correlation effects, curves, dense plasma, electron screening, energy balance, enhancement, envelopes, literature, magnetic field, magnetic field effects, neutron star, oxygen, plasma, thermal structure, thermonuclear fusion, thermonuclear reaction, white dwarf
Posted in Replacements, Solar and Stellar, astro-ph | No Comments
Global Constraints on Effective Dark Matter Interactions: Relic Density, Direct Detection, Indirect Detection, and Collider [Replacement]
Thursday, February 2nd, 2012Tags: annihilation, antiproton, cross section, dark matter, degrees of freedom, galactic halo, gamma ray, global constraint, indirect detection, interaction approach, interaction operators, large hadron collider, matter particle, missing energy, monojet, ray fluxes, relic density, standard model, tevatron, zeplin
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
Picogauss magnetic fields in voids from ultra-high energy cosmic rays [Replacement]
Thursday, February 2nd, 2012Tags: coherence length, cosmic ray, electric current, filament, galaxy cluster, high energy, large scale, magnetic field, magnitude, scale structure, tens
Posted in Cosmology and Extragalactic, High Energy, Replacements, astro-ph | No Comments
Magnetic substructure in the northern Fermi Bubble revealed by polarized WMAP emission [Replacement]
Thursday, February 2nd, 2012Tags: correspondence, eastern edge, energetics, Fermi, galactic center, galactic plane, gamma ray, intensity data, ism, magnetic field structure, microwave, polarization data, sky, spectra, substructure
Posted in High Energy, Replacements, astro-ph | No Comments
The Curious Case of HU Aquarii – Dynamically Testing Proposed Planetary Systems [Replacement]
Thursday, February 2nd, 2012Tags: cataclysmic variables, caution, central star, curious case, discovery, dynamical analysis, eclipse, initial claim, orbit, planet search, planetary system, planets, presence, radial velocity, rigorous methods, variation, velocity data
Posted in Earth and Planetary, Replacements, Solar and Stellar, astro-ph | No Comments
FM stars: A Fourier view of pulsating binary stars, a new technique for measuring radial velocities photometrically [Replacement]
Thursday, February 2nd, 2012Tags: amplitude, binary star, binary system, derivation, doppler effect, doppler shift, eclipsing binary, kepler mission, kic, light curve, luminosity variations, manifests, mass function, orbital frequency, orbital motion, pulsating star, pulsation, radial velocity, spectra, theoretical relations
Posted in Replacements, Solar and Stellar, astro-ph | No Comments
Gaia Universe Model Snapshot : A statistical analysis of the expected contents of the Gaia catalogue [Replacement]
Thursday, February 2nd, 2012Tags: computational simulations, detection efficiency, dpac, exoplanet, gaia portal, instrumental effects, level observations, model snapshot, multiple star, multiple star systems, quasar, rssd, spectroscopic, statistical analysis, stellar content, supernovas, taking into consideration, universe model, variability, variable star
Posted in Cosmology and Extragalactic, Galactic, Instrumentation and Methods, Replacements, Solar and Stellar, astro-ph | No Comments
Harmonic in-painting of CMB sky by constrained Gaussian realization [Replacement]
Thursday, February 2nd, 2012Tags: alignment, anisotropy, approximation, cmb data, contamination, foreground, galactic equator, harmonic space, map, monte carlo simulation, planck, quadrupole, realization, sky map, statistical properties, surveyor, utmost importance, v band, vantage point, whole sky
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
The Relation Between Ejecta Velocity, Intrinsic Color, and Host-Galaxy Mass for High-Redshift Type Ia Supernovae
Wednesday, February 1st, 2012Tags: bia, cosmology, digital sky survey, distributions, host galaxy, intrinsic color, light curve, maximum brightness, sdss, sigma, sloan digital, sne ia, spectroscopy, Supernova, systematic biases, type ia, v max, velocities
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Phase-space consistency of stellar dynamical models determined by separable augmented densities
Wednesday, February 1st, 2012Tags: anisotropy, beta, consistency, density, derivative, distribution function, dynamical model, inversion formula, monotonicity, necessary condition, negativity, phase space, population, radius, sufficient condition
Posted in Cosmology and Extragalactic, Galactic, New, astro-ph | No Comments
Constraints on Neutrino Mass and Light Degrees of Freedom in Extended Cosmological Parameter Spaces
Wednesday, February 1st, 2012Tags: acoustic oscillations, cosmic microwave background, cosmological model, cosmological parameters, critical density, curvature, dark energy, degrees of freedom, energy component, energy density, free parameter, helium abundance, hst, massive neutrinos, neutrino mass, parameter space, primordial helium, spectral index, SPT
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Direct Detection of Dark Matter Debris Flows
Wednesday, February 1st, 2012Tags: dark matter distribution, debris flow, earth frame, energy spectrum, high velocity, kpc, Milky Way, plume, recoil energy, shell, simulation, Sun, tidal stream, velocities, via lactea
Posted in Galactic, New, astro-ph | No Comments
Gamma-Ray-Burst Host Galaxy Surveys at Redshift z>4: Probes of Star Formation Rate and Cosmic Reionization
Wednesday, February 1st, 2012Tags: black hole, complementary approach, dark matter halo, estimators, faint galaxy, formation of galaxies, galaxy formation, galaxy luminosity function, galaxy survey, gamma ray burst, grb observations, host galaxy, hubble space telescope, lyman, redshift, sfr, star formation rate, telescope observations, unit mass
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Simplified Smooth Inflation with Observable Gravity Waves [Cross-Listing]
Wednesday, February 1st, 2012Tags: central values, cutoffs, gev, gravity wave, inflation, kahler, spectral index
Posted in Cosmology and Extragalactic, Cross-Listings, astro-ph | No Comments
The kinematic of HST-1 in the jet of M87
Wednesday, February 1st, 2012Tags: aim, epochs, european vlbi network, evn, evolution, high energy, hst, kinematic, m87 jet, position angle, proper motion, radio jet, superluminal velocity, variation, very long baseline array, vlba, vlbi observations
Posted in Cosmology and Extragalactic, High Energy, New, astro-ph | No Comments
Ohmic Heating Suspends, not Reverses, the Cooling Contraction of Hot Jupiters
Wednesday, February 1st, 2012Tags: 17b, 32b, contraction, diversity, entropy, epochs, evolution, exceptions, hot jupiters, numerical experiment, ohmic heating, parameter, planets, radii, radius, stellar irradiation, surface wind, wasp
Posted in Earth and Planetary, New, astro-ph | No Comments
The Cosmic History of Hot Gas Cooling and Radio AGN Activity in Massive Early-Type Galaxies
Wednesday, February 1st, 2012Tags: agns, b band, cdf, cosmic history, cycle history, duty cycle, galactic nucleus, history of radio, keV, mechanical power, radiative, radio flux, radio mode, radio observation, redshift range, type galaxy, types of galaxies, x ray
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Latest Observational Constraints to the Ghost Dark Energy Model by Using Markov Chain Monte Carlo Approach
Wednesday, February 1st, 2012Tags: compilation, constraint, cosmic microwave background, dark energy, energy density, energy model, friedmann, frw, Hubble, markov chain monte, markov chain monte carlo, mcmc, monte carlo approach, observational constraints, observational data, oscillation, parameter data, type ia, vacuum energy, viscosity
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Clumpy accretion onto black holes. I. Clumpy-ADAF structure and radiation
Wednesday, February 1st, 2012Tags: accretion, adaf, analytical solution, angular momentum, bl lac objects, black hole, clump, collisionless boltzmann equation, drag force, emission region, evaporation, inner edge, nuclear emission, oscillation, photon, radial velocity, ray binaries, shakura, velocity dispersion, x ray
Posted in Cosmology and Extragalactic, High Energy, New, astro-ph | No Comments
Star formation in self-gravitating disks in active galactic nuclei. II. Episodic formation of broad line regions
Wednesday, February 1st, 2012Tags: accretion disk, active galactic nuclei, agns, blr, column density, dynamic interaction, emission line, equivalent width, inevitable collapse, line regions, linear analysis, observational implications, phase iii, phase iv, poor regions, radiation pressure, spectral sequence, star formation, theoretical prediction, thermal instability
Posted in Cosmology and Extragalactic, Galactic, New, astro-ph | No Comments
Calculating energy storage due to topological changes in emerging active region NOAA AR 11112
Wednesday, February 1st, 2012Tags: algorithm, class flare, corona, coronal magnetic field, emergence, energy storage, ergs, magnetic energy, magnetic flux, magnetic reconnection, observational time, pair, period, photosphere, region noaa, source region, submergence, time span
Posted in New, Solar and Stellar, astro-ph | No Comments
The GJ 436 System: Directly Determined Astrophysical Parameters of an M-Dwarf and Implications for the Transiting Hot Neptune
Wednesday, February 1st, 2012Tags: assumption, curves, density, diameter, efficiency, gj 436, light curve, literature, measurements, neptune, orbit, planetary atmosphere, planetary mass, radius, redistribution, stellar mass, stellar parameters, system parameter, time series data, type dwarf
Posted in Earth and Planetary, Instrumentation and Methods, New, Solar and Stellar, astro-ph | No Comments
Panoramic Survey of Lyman \alpha\ Emitters at z=3.1
Wednesday, February 1st, 2012Tags: alpha emission, alpha emitter, blank field, cm 2, cosmological simulations, dark matter, density region, emission line objects, equivalent width, fluctuation, galaxy, height values, high density, lyman alpha, magnitude limit, number density, peak height, standard deviation, threshold
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Primordial curvature perturbation during and at the end of multi-field inflation
Wednesday, February 1st, 2012Tags: analytic expression, curvature, evolution, inflation, models, perturbation, power spectrum, scalar, tilt
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
A 2% Distance to z=0.35 by Reconstructing Baryon Acoustic Oscillations – I : Methods and Application to the Sloan Digital Sky Survey
Wednesday, February 1st, 2012Tags: acoustic oscillations, angular diameter, correlation function, digital sky survey, distance measurement, distance scale, distortions, eisenstein, galaxy, galaxy redshift survey, gpc, Hubble, linear growth, nonlinear, oscillation, reconstruction algorithm, reconstruction parameters, robustness, sdss, sloan digital
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
A 2% Distance to z=0.35 by Reconstructing Baryon Acoustic Oscillations – II: Fitting Techniques
Wednesday, February 1st, 2012Tags: accurate measurement, acoustic oscillations, catalogues, confidence level, correlation function, covariance matrix, digital sky survey, fitting model, galaxy redshift survey, oscillation, probability distribution, reconstruction, redshift space, sigma, simulation, sloan digital
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
A 2% Distance to z = 0.35 by Reconstructing Baryon Acoustic Oscillations – III : Cosmological Measurements and Interpretation
Wednesday, February 1st, 2012Tags: acoustic oscillations, cosmic microwave background, cosmological constant, cosmological model, degree field, digital sky survey, distance measurement, energy density, energy equation, energy survey, equation of state, expansion history, flat universe, galaxy survey, hubble constant, microwave anisotropy probe, relativistic particle, sloan digital, wilkinson microwave anisotropy, wilkinson microwave anisotropy probe
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Dithering Strategies and Point-Source Photometry
Wednesday, February 1st, 2012Tags: accuracy, distributions, dither, hardware configuration, image reconstruction, offsets, pixel scale, pixelization, point source, point spread function, position determination, psf, rms, rms value, scales, source flux, spatial sampling, survey source, uncertainty, wide field imaging
Posted in Instrumentation and Methods, New, astro-ph | No Comments
FM stars: A Fourier view of pulsating binary stars, a new technique for measuring radial velocities photometrically
Wednesday, February 1st, 2012Tags: amplitude, binary star, binary system, derivation, doppler effect, doppler shift, eclipsing binary, kepler mission, kic, light curve, luminosity variations, manifests, mass function, orbital frequency, orbital motion, pulsating star, pulsation, radial velocity, spectra, theoretical relations
Posted in New, Solar and Stellar, astro-ph | No Comments
Observational Consequences of Dark Energy Decay
Wednesday, February 1st, 2012Tags: anthropic, CMB, correlation, cosmological phase, cross correlation, dark energy, decay model, decay rate, degree of freedom, energy decay, figure of merit, latent heat, models, observational consequences, parameter space, phase transition, radiation, survey
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
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