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Posts by astro-ph
The molecular gas content of the Pipe Nebula I. Direct evidence of outflow-generated turbulence in B59?
Sunday, May 20th, 2012Tags: bow shock, clump, collapse, column density, dense gas, density material, direct evidence, energetics, gas content, hierarchical structure, initial condition, jcmt, kinematic, low mass, molecular cloud, outflow, pipe nebula, protostar, quiet nature, supersonic turbulence
Posted in Galactic, New, astro-ph | No Comments
Three-Dimensional Explosion Geometry of Stripped-Envelope Core-Collapse Supernovae. I. Spectropolarimetric Observations
Sunday, May 20th, 2012Tags: core collapse supernovae, dispersion, distributions, ejecta, explosion, polarization, SNe, three dimensional geometry, type ic, wavelength
Posted in High Energy, New, Solar and Stellar, astro-ph | No Comments
Two distinct halo populations in the solar neighborhood. IV. Lithium abundances
Sunday, May 20th, 2012Tags: abundance, bang nucleosynthesis, big bang, constants, environmental effect, fraction, interpolating, lii, linear dependence, Lithium, main sequence, model atmosphere, resolution spectra, solar neighborhood, stellar mass, wmap, yonsei
Posted in Cosmology and Extragalactic, Galactic, New, Solar and Stellar, astro-ph | No Comments
130 GeV Gamma-Ray Line from Dark Matter Decay [Cross-Listing]
Sunday, May 20th, 2012Tags: abundance, annihilation, dark matter, decay, dimension 6, expectation value, Fermi, gamma ray, gev, grand unification, mssm, tev scale, vacuum, viable model
Posted in Cosmology and Extragalactic, Cross-Listings, High Energy, astro-ph | No Comments
On the HU Aquarii planetary system hypothesis
Sunday, May 20th, 2012Tags: body solution, compact system, companion, eccentricity, ephemeris, jupiter masses, kepler, kinematic model, light curves, light travel time, photometric observations, planetary system, precision light, resolution photo, spectral window, systematics, unique solution, vir, x ray
Posted in Earth and Planetary, New, astro-ph | No Comments
A divergence-cleaning scheme for cosmological SPMHD simulations
Sunday, May 20th, 2012Tags: artifact, cluster formation, cosmological simulations, divergence, faraday rotation, galaxy cluster, gas dynamics, high resolution, implementation, induction equation, instabilities, lorentz force, magnetic field, magnetic field line, magnetohydrodynamics mhd, map, numerical error, parabolic, particle, structure function
Posted in Cosmology and Extragalactic, Instrumentation and Methods, New, astro-ph | No Comments
The bright-end of the luminosity function at z~9
Sunday, May 20th, 2012Tags: 10x10, constraint, density, galaxy luminosity function, hawk, interloper, magnitude, mpc, phi, sfr, shooter, spectroscopy, star formation history, star formation rate, vlt
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
A Suzaku Study of Ejecta Structure and Origin of Hard X-ray Emission in the Supernova Remnant G156.2+5.7
Sunday, May 20th, 2012Tags: cluster of galaxies, diameter, discovery, element, equilibrium, extent, ism, radial structure, ray emission, robust evidence, shock, spectra, supernova remnant, thermal emission, x ray
Posted in High Energy, New, astro-ph | No Comments
Measuring Space-Time Geometry over the Ages [Cross-Listing]
Sunday, May 20th, 2012Tags: assumption, baseline, centuries, coordinates, curvature, decade, drift, einstein, formalism, free matter, initial condition, measurements, observational program, parametrization, proper motion, space time, theorists, time geometry, visual observations
Posted in Cosmology and Extragalactic, Cross-Listings, astro-ph | No Comments
The Green Bank Telescope HII Region Discovery Survey: III. Kinematic Distances
Sunday, May 20th, 2012Tags: circular arc, circular rotation, galactic structure, gbt, green bank telescope, hi emission, hii region, hrd, kinematic, nebulae, radii, radio continuum emission, recombination, rotation curves, rotation speed, spiral structure, structure results, tangent point, uncertainty analysis, x band
Posted in Galactic, New, astro-ph | No Comments
Classification of the FRW universe with a cosmological constant and a perfect fluid of the equation of state $p = w\rho$ [Replacement]
Sunday, May 20th, 2012Tags: acceleration, big bang, cosmological constant, crunch, curvature, deceleration, dimensional space, energy density, equation of state, evolution, existence, friedmann, frw, period, singularity, textbook, universe
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
Infrared imaging and polarimetric observations of the pulsar wind nebula in SNR G21.5-0.9 [Replacement]
Sunday, May 20th, 2012Tags: canada france, cfht aob, compact nebula, electric vector, fraction, hawaii telescope, infrared imaging, infrared observation, infrared spectrum, iron line, k band, polarimetric observations, polarisation, shape, snr, spitzer space telescope, supernova remnant, swing, vlt, x ray
Posted in Galactic, Replacements, astro-ph | No Comments
A Near-Infrared Survey of the Inner Galactic Plane for Wolf-Rayet Stars II. Going Fainter: 71 More New WR Stars [Replacement]
Sunday, May 20th, 2012Tags: band spectra, distant spiral, emission line, few degrees, follow ups, galactic center, galactic longitude, galactic plane, image analysis, infrared survey, k band, massive star, narrow band imaging, spectroscopic parallax, spiral arm, square degree, star candidates, ups, wr stars
Posted in Galactic, Replacements, astro-ph | No Comments
Wheels of Fire IV. Star Formation and the Neutral Interstellar Medium in the Ring Galaxy AM0644-741 [Replacement]
Sunday, May 20th, 2012Tags: atnf, atomic gas, diameter, instabilities, interstellar medium, ism, kpc, low density, massive star formation, molecular fraction, precursor, ring galaxy, sest, wheels of fire
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
The role of OH in the chemical evolution of protoplanetary disks. I. The comet-forming region [Replacement]
Sunday, May 20th, 2012Tags: accurate treatment, chemical composition, chemical evolution, chemical model, chemical species, cm 3, comet formation, complex organic molecules, cosmic ray, desorption, ects, grain size distribution, model yields, photo processes, photon flux, protoplanetary disk, rate equations, timescale, water ice
Posted in Replacements, Solar and Stellar, astro-ph | No Comments
FRW Cosmology in Ghost Free Massive Gravity [Replacement]
Sunday, May 20th, 2012Tags: attractor, control parameter, cosmological constant, cosmological evolution, cosmology, deformation, frw, ghost, graviton, massive gravity, presence, previous works, universe, xi region
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
Was The Sun Born In A Massive Cluster? [Replacement]
Sunday, May 20th, 2012Tags: cluster, cluster mass, cluster properties, contamination, contrary, cross section, disruption, eccentric orbit, lifetime, massive cluster, myr, nearby supernova, outer planet, outer solar system, probability, simulation, star cluster, stellar encounters, surface density, velocity distribution
Posted in Replacements, Solar and Stellar, astro-ph | No Comments
The density profiles of Dark Matter halos in Spiral Galaxies [Replacement]
Sunday, May 20th, 2012Tags: cold dark matter, cosmology, dark halo, dark matter halo, density profile, galaxy, gaseous disk, inconsistency, kinematic, paradigm, phenomenology, radii, rotation curve, rotation curves, spiral, spiral galaxy, universal rotation, velocities
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
High-resolution X-ray spectroscopy reveals the special nature of Wolf-Rayet star winds [Replacement]
Sunday, May 20th, 2012Tags: acceleration, clump, fe line, high resolution, hot x, newton telescope, o star, photosphere, porous structure, rams, shock, spectral analysis, spectral signature, spectroscopy, star winds, stellar radii, stellar wind, x ray, xmm newton
Posted in Replacements, Solar and Stellar, astro-ph | No Comments
The Strong Multifield Slowroll Condition and Spiral Inflation [Replacement]
Sunday, May 20th, 2012Tags: analyze this, blueprint, confusion, de sitter, gradient flow, Hubble, inflation, liddle, locus, parameter, spiral, string theory
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
Particle-in-cell simulations of particle energization from low Mach number fast mode shocks [Replacement]
Sunday, May 20th, 2012Tags: boundary method, cell pic, cell simulation, dimensional particle, electron distribution, electron mass, initial generation, mach number, magnetic pressure, microphysics, moving wall, pic simulations, plasma turbulence, shock formation, shock speed, shock transition, simulation result, simulation time, solar flare, transition region
Posted in Replacements, Solar and Stellar, astro-ph | No Comments
Highly Ionized Collimated Outflow from HE 0238 – 1904 [Replacement]
Sunday, May 20th, 2012Tags: absorption line, fraction, hydrogen density, interaction, ionization, line profile, outflow, photoionization model, qso, radio jet, term stability
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
Supernova 1998S at 14 years Postmortem: Continuing CSM Interaction and Dust Formation [Replacement]
Sunday, May 20th, 2012Tags: centroid, circumstellar material, clump, dust extinction, dust formation, emission features, emission line, large binocular telescope, last decade, optical spectrum, oxygen profiles, radial distribution, red supergiant, red wing, SNe, strong wind, type iin, wavelength dependence
Posted in High Energy, Replacements, Solar and Stellar, astro-ph | No Comments
The VMC Survey. V. First results for Classical Cepheids [Replacement]
Sunday, May 20th, 2012Tags: 3d geometry, cepheid, classical cepheids, dataset, determinations, epochs, large magellanic cloud, light curves, literature data, magellanic cloud, magellanic system, modulus, overtone, parallax, period range, photometry, time series, variable star, zero point
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
The parsec-scale jet of PKS 1749+096 [Replacement]
Sunday, May 20th, 2012Tags: bimodal distribution, bl lac objects, coincidence, distinct component, doppler, epochs, flare, high resolution, inverse compton, jet parameters, kinematic, lorentz factor, magnetic field, morphology, motion, new jet, spectra, spectral property, target, variability
Posted in Cosmology and Extragalactic, High Energy, Replacements, astro-ph | No Comments
Warm Dark Matter in Low Scale Left-Right Theory [Replacement]
Sunday, May 20th, 2012Tags: boltzmann equation, decay, dilution, disagreement, early universe, energy constraints, entropy, gauge boson, keV, lhc, low energy, numerical study, overproduction, qcd phase transition, relic density, symmetric theory, tev scale, viability, viable candidate, warm dark matter
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
[CII] line emission in massive star-forming galaxies at z=4.7 [Replacement]
Sunday, May 20th, 2012Tags: acs, alpha emitter, big bang, cii, counterpart, dust continuum emission, fir luminosity, gyr, host galaxy, line emission, luminous object, luminous quasar, luminous star, massive star, millimeter, mjy, quasar, smg, starburst galaxy
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
Optimization by Smoothed Bandpass Calibration in Radio Spectroscopy [Replacement]
Sunday, May 20th, 2012Tags: allan variance, archival data, blank sky, conventional method, dual beam, integration time, iriki, otf, radio spectroscopy, receiving system, scan pattern, signal to noise ratio, single beam, spectral resolution, system noise, target source, telescope time, time efficiency
Posted in Instrumentation and Methods, Replacements, astro-ph | No Comments
Influence of internal structure on the motion of test bodies in extreme mass ratio situations [Cross-Listing]
Sunday, May 20th, 2012Tags: approximation method, binding energy, equatorial plane, general relativity, geometry, gravitational wave physics, internal structure, kerr, mass ratio, tidal interaction
Posted in Cross-Listings, Galactic, High Energy, astro-ph | No Comments
HerMES: Candidate Gravitationally Lensed Galaxies and Lensing Statistics at Submillimeter Wavelengths
Thursday, May 17th, 2012Tags: density, dusty star, foreground, fraction, galaxy, gravitational lensing, hermes, herschel, interloper, magnification, matter distribution, observational data, s 500, square degree, statistic, statistical model, submillimeter wavelength, surface density, target, unprecedented spatial resolution
Posted in Cosmology and Extragalactic, Galactic, New, astro-ph | No Comments
The Optically Unbiased GRB Host (TOUGH) survey. IV. Lyman-alpha emitters
Thursday, May 17th, 2012Tags: 40a, alpha emission, equivalent width, extinction, formation rates, gamma ray burst, grbs, host galaxy, hosts, lyman alpha, redshift range, rest frame, spectroscopic search, spectroscopy, x ray
Posted in Cosmology and Extragalactic, Galactic, High Energy, New, astro-ph | No Comments
Cosmic Rays and Stochastic Magnetic Reconnection in the Heliotail
Thursday, May 17th, 2012Tags: acceleration processes, anisotropy, arrival direction, convective processes, cosmic ray, diffusion model, energetic particle, energy dependence, energy spectrum, experimental evidence, galactic cosmic rays, heliosphere, interstellar medium, magnetic reconnection, parsec, shock acceleration, smearing, supernova remnant, tev energies, wind gradient
Posted in High Energy, New, astro-ph | No Comments
Constraining the Circumbinary Envelope of Z CMa via imaging polarimetry
Thursday, May 17th, 2012Tags: beam of light, binary system, cma, cocoon, dual beam, herbig, jets, low density, micro jet, optical wavelength, ori, outburst, pencil, polarimeter, polarimetry, polarization angle, preferred orientation, simulation, variability, variable geometry
Posted in New, Solar and Stellar, astro-ph | No Comments
A new, precise measurement of the primordial abundance of Deuterium
Thursday, May 17th, 2012Tags: abundance, accurate determination, angular power spectrum, bbn, biases, big bang nucleosynthesis, CMB, consistent manner, cosmic microwave background, deuterium, dla, endeavour, high quality, literature, lyman alpha, nuclear reaction, omega, physics, precise measurement, systematic error
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
IDCS J1426+3508: Discovery of a Massive, IR-Selected Galaxy Cluster at z = 1.75
Thursday, May 17th, 2012Tags: chandra data, cluster survey, diameter, discovery, distant cluster, ergs, galaxy cluster, hubble space telescope, keck observatory, massive cluster, massive galaxy, point source, redshift, x ray
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
IDCS J1426.5+3508: Sunyaev-Zel’dovich Measurement of a Massive IR-selected Cluster at z=1.75
Thursday, May 17th, 2012Tags: carma, cluster survey, decrement, distant cluster, galaxy cluster, infrared techniques, massive galaxy, Measurement, msun, precursor, probability, redshift, statistical study, survey, universe, x ray, Zel
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
IDCS J1426.5+3508: Cosmological implications of a massive, strong lensing cluster at Z = 1.75
Thursday, May 17th, 2012Tags: arc, background field, cluster, cluster galaxy, cluster survey, constraint, cosmological implications, curvature, discrepancy, galaxy cluster, geq, lens system, lensed galaxy, m200, massive galaxy, redshift, statistic results, structure formation, Zel
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
The Lick AGN Monitoring Project 2011: Dynamical Modeling of the Broad Line Region in Mrk 50
Thursday, May 17th, 2012Tags: AGN, black hole, blr, dynamical model, galaxy, geometry, hole mass, inclination angle, inflow, kinematic, mapping analysis, mapping data, monitoring project, mrk, outflow, pm10, reverberation, scenarios, sigma
Posted in Cosmology and Extragalactic, Galactic, New, astro-ph | No Comments
Spherically Symmetric Inflation [Cross-Listing]
Thursday, May 17th, 2012Tags: conclusion, generalization, geometry, horizon, inflation, initial condition, parameter, scalar field, spatial distribution, spherical symmetry
Posted in Cosmology and Extragalactic, Cross-Listings, astro-ph | No Comments
The Column Density Variance-Sonic Mach Number Relationship
Thursday, May 17th, 2012Tags: 2ms, best fit, column density, density values, diffuse interstellar medium, investigations, mach number, mhd simulation, molecular cloud, observational data, observational study, relationship, rho rho, sigma 2, sigma rho, sigma sigma sigma, taurus, tracers, variance
Posted in Galactic, New, astro-ph | No Comments
HI Power Spectra and the Turbulent ISM of Dwarf Irregular Galaxies
Thursday, May 17th, 2012Tags: channel maps, fundamental role, galaxy survey, hi line, hi power, irregular galaxy, irregulars, length scales, line profile, nearby galaxy, nonlinear development, power source, power spectra, sfr, star formation rate, surface density, thermal dispersion, turbulent structure
Posted in Cosmology and Extragalactic, Galactic, New, astro-ph | No Comments
Acceleration of Energetic Particles through Reconnection of Weakly Stochastic Magnetic Field
Thursday, May 17th, 2012Tags: driven turbulence, energetic particle, intensity, large scale, latter case, magnetic field, magnetic reconnection, motion, new evidence, particle acceleration, pino, presence, successful testing
Posted in Earth and Planetary, Galactic, New, Solar and Stellar, astro-ph | No Comments
Constraints on model atmospheres from complex asteroseismology of the \beta Cephei stars
Thursday, May 17th, 2012Tags: beta, constraint, gamma, kurucz, model atmosphere, models, peg
Posted in New, Solar and Stellar, astro-ph | No Comments
Studying the hybrid pulsator 12 Lacertae: mode identification and complex seismic modelling
Thursday, May 17th, 2012Tags: atmosphere, chemical composition, hybrid, mode frequency, mode identification, parameter effects
Posted in New, Solar and Stellar, astro-ph | No Comments
Constraining stellar assembly and AGN feedback at the peak epoch of star formation
Thursday, May 17th, 2012Tags: active galactic nuclei, star formation
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Progenitor mass constraints for core-collapse supernovae from correlations with host galaxy star formation
Thursday, May 17th, 2012Tags: alpha emission, constraint, core collapse supernovae, correlation, host galaxy, star formation
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
A solar tornado observed by AIA/SDO: Rotational flow and evolution of magnetic helicity in a prominence and cavity
Thursday, May 17th, 2012Tags: aia, blob, cavity, coherent rotation, complexity, cyclone, fades, helical structure, helium lines, helix axis, hydrogen, line of sight, magnetic helicity, narrow loop, observatory, prominence, sdo, streaks, telescopes, tornado
Posted in New, Solar and Stellar, astro-ph | No Comments
Recent Observations of Plasma and Alfvenic Wave Energy Injection at the Base of the Fast Solar Wind
Thursday, May 17th, 2012Tags: amplitude, avenues, constraint, coronal hole, counterpart, energy content, energy injection, high speed, occurrence, plasma heating, premise, punch, radiation, slow solar wind, solar atmosphere, spicule, transverse motion, wave energy
Posted in New, Solar and Stellar, astro-ph | No Comments
Gas Accretion is Dominated by Warm Ionized Gas in Milky Way-Mass Galaxies at z ~ 0
Thursday, May 17th, 2012Tags: accretion, adaptive mesh refinement, distance, enzo, filamentary structure, fraction, galactic halo, galaxy, gas inflow, gases, high resolution, ionized gas, kinematic, mass galaxy, Milky Way, radius, simulation, vicinity
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
The Infrared Light Curve of SN 2011fe in M101 and the Distance to M101
Thursday, May 17th, 2012Tags: absolute calibration, b band, curve data, epochs, fourteen days, high resolution, infrared camera, light curve, light curves, m101, magnitude, maximum brightness, modulus, SNe, templates, type ia
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
The nature of dust in compact Galactic planetary nebulae from Spitzer spectra
Thursday, May 17th, 2012Tags: continuum, dust grains, enhancement, equilibrium, evolutionary sequence, galactic center, galactic disk, galactic planetary nebulae, group properties, interstellar environments, irs, magellanic cloud, mcd, pne, point symmetry, radiation field, solid state, spectra, state feature, symmetric point
Posted in New, Solar and Stellar, astro-ph | No Comments
Star Formation in the First Galaxies I: Collapse Delayed by Lyman-Werner Radiation
Thursday, May 17th, 2012Tags: background intensity, cold gas, collapse, computational grid, dark matter halo, fragmentation, free star, galaxy, gas density, james webb, james webb space telescope, line emission, low mass, lyman, molecular hydrogen, molecule, star formation, stellar cluster, webb space telescope
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
A Brightest Cluster Galaxy with an Extremely Large Flat Core
Thursday, May 17th, 2012Tags: bcg, black hole, cluster galaxy, core structure, cusp, density profile, extrapolation, galaxy cluster abell, hole mass, hubble show, hubble space telescope, hubble space telescope images, interior surface, kpc, perturbation, space telescope images, stellar density, surface brightness
Posted in Cosmology and Extragalactic, Galactic, High Energy, New, astro-ph | No Comments
Detection of the 128 day radial velocity variations in the supergiant {\alpha} Persei. Rotational modulations, pulsations, or a planet?
Thursday, May 17th, 2012Tags: alpha persei, amplitude, boao, boes, bvs, cepheid, clear evidence, exoplanet, massive star, modulation, observational data, optical astronomy observatory, pulsation, radial velocity variations, resolution spectra, rotation period, rotational modulation, supergiant, surface activity
Posted in Earth and Planetary, New, astro-ph | No Comments
Radiation reaction at 3.5 post-Newtonian order in effective field theory [Cross-Listing]
Thursday, May 17th, 2012Tags: confirmation, constituent, field theory, gravitational wave, inspiral, lagrangian, orbit, previous results, radiation reaction, theory approach, variational principle
Posted in Cross-Listings, High Energy, astro-ph | No Comments
A Keplerian Circumbinary Disk around the Protobinary System L1551 NE
Thursday, May 17th, 2012Tags: angular momentum, array, central peak, channel maps, companion, continuum emission, images, inner edge, keplerian disks, line emission, msun, protostar, stellar mass, thin disk, tidal effect
Posted in Galactic, New, astro-ph | No Comments
Improvement of xenon purification system using a combination of a pulse tube refrigerator and a coaxial heat exchanger
Thursday, May 17th, 2012Tags: cryogenic system, efficiency, heat exchanger, high speed, large scale, pulse tube refrigerator, purification system, storage, thermal losses, xenon gas
Posted in Instrumentation and Methods, New, astro-ph | No Comments
Gravitational lensing in the Kerr-Randers optical geometry [Cross-Listing]
Thursday, May 17th, 2012Tags: bonnet, deflection angle, equatorial plane, finsler, gauss, geometric method, gravitational lensing, kerr, naz, optical geometry, osculating, randers
Posted in Cross-Listings, Galactic, astro-ph | No Comments
Viscous-Resistive ADAF with a general Large-Scale Magnetic Field
Thursday, May 17th, 2012Tags: accretion, adaf, diffusivity, dominant mechanism, energy dissipation, existence, field parameter, global magnetic field, keplerian, kinematic viscosity, numerical result, radial velocity, realistic model, resistivity, rotational velocity, sound speed, Turbulence, velocities
Posted in Galactic, High Energy, New, astro-ph | No Comments
Optimization of Bandpass Calibration in Radio Spectroscopy
Thursday, May 17th, 2012Tags: allan variance, archival data, blank sky, conventional method, dual beam, integration time, iriki, otf, radio spectroscopy, receiving system, scan pattern, signal to noise ratio, single beam, spectral resolution, system noise, target source, telescope time, time efficiency
Posted in Instrumentation and Methods, New, astro-ph | No Comments
Non-axisymmetric oscillations of rapidly rotating relativistic stars by conformal flatness approximation [Cross-Listing]
Thursday, May 17th, 2012Tags: approximation, degree of freedom, flatness, general relativity, gravitational radiation, modes, numerical code, oscillation, relativistic gravity, relativistic stars, rotating stars, sequence, similarity
Posted in Cross-Listings, High Energy, astro-ph | No Comments
Spectroscopy of extended Ly\alpha\ envelopes around z=4.5 quasars
Thursday, May 17th, 2012Tags: diameter, envelopes, kinematic, point spread function, quasar, radio, redshift, shape, slit, spectra, spectroscopy, Telescope, unprecedented depth, ut1
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
Interstellar reddening towards six small areas in Puppis-Vela
Thursday, May 17th, 2012Tags: accuracy, beta, cavity, distance, excesses, gum nebula, high quality, hipparcos catalogue, interstellar dust, interstellar medium, interstellar reddening, kpc, low density, photometric measurements, sky, spite, standard deviation, Sun
Posted in Galactic, New, astro-ph | No Comments
The evolution of the X-ray emission of HH 2 – Investigating heating and cooling processes
Thursday, May 17th, 2012Tags: alignment, bipolar, bipolar outflows, chandra observation, constancy, heating and cooling, herbig haro, optical emission, proper motion, radiative loss, ray emission, stellar object, temperature gas, thermal conduction, time scale, wavelength, x ray
Posted in New, Solar and Stellar, astro-ph | No Comments
Oxygen and nitrogen abundances of HII regions in six spiral galaxies
Thursday, May 17th, 2012Tags: bta, calibration, dispersion, electron temperature, gradient, hii region, intercept, irregular galaxy, meter telescope, NGC, nitrogen, oxygen, radial distribution, scorpio, special astrophysical observatory, spectral camera, spectral resolution, spectroscopic observation, spiral galaxy
Posted in Cosmology and Extragalactic, Galactic, New, astro-ph | No Comments
Relativistic jet models for two low-luminosity radio galaxies: evidence for backflow?
Thursday, May 17th, 2012Tags: 25c, added component, asymmetry, backflow, component structure, jet axis, jet model, kpc, linear polarization, lobes, magnetic field, radio emission, radio galaxy, radio jet, relativistic jet, relativistic outflows, spectral index, ugc, very large array
Posted in Cosmology and Extragalactic, High Energy, New, astro-ph | No Comments
INTEGRAL/IBIS 9-year Galactic Hard X-Ray Survey
Thursday, May 17th, 2012Tags: aim, fraction, gamma, maximum exposure, Milky Way, nine years, observational data, observatory, population study, source population, x ray
Posted in High Energy, Instrumentation and Methods, New, astro-ph | No Comments
The analysis of the hydrogen broad Balmer line ratios: possible implications to the physical properties of the BLR of AGN
Thursday, May 17th, 2012Tags: active galactic nuclei, AGN, atomic data, balmer lines, blr, boltzmann, decrement, digital sky survey, emission line, epsilon, high density plasma, hydrogen, line ratio, recombination, sloan digital, spectral synthesis, survey database, thermodynamic parameters, three ways
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
A new Skyrme interaction with improved spin-isospin properties [Cross-Listing]
Thursday, May 17th, 2012Tags: accurate description, charge exchange, core collapse, decay, density, earth, evolution, finite nuclei, improvements, interaction, massive star, physical processes, resonance, saturation, spin isospin, stars in the universe, stellar nucleosynthesis, stringent test, supernova explosion
Posted in Cross-Listings, Solar and Stellar, astro-ph | No Comments
Optimization of the Collection Efficiency of a Hexagonal Light Collector using Quadratic and Cubic B\’ezier Curves
Thursday, May 17th, 2012Tags: aperture, cherenkov photons, collection efficiency, curves, focal plane, gamma ray telescope, high energy, incident angle, night sky, optical system, optimization, shape, sky background, telescopes
Posted in Instrumentation and Methods, New, astro-ph | No Comments
Anisotropy of TeV and PeV cosmic rays with IceCube and IceTop
Thursday, May 17th, 2012Tags: angular scale, anisotropy, array, arrival direction, atmosphere, cosmic ray data, cosmic ray studies, earth, energy range, extensive air showers, high energy, IceCube, interaction, neutrino telescope, observation, primary cosmic rays, secondary particles, statistics data, TeV
Posted in High Energy, New, astro-ph | No Comments
On the Validity of Cosmological Fisher Matrix Forecasts
Thursday, May 17th, 2012Tags: acoustic oscillations, approximation, cosmological probes, dark energy, discrepancy, elliptical shape, energy equation, energy survey, energy task force, equation of state, figure of merit, fom, likelihood estimation, likelihood function, linear transformation, markov chain, posterior probability, quantitative difference, stage iii, structure formation
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
A New Method for Cross Polarized Delay Calibration of Radio Interferometers
Thursday, May 17th, 2012Tags: antenna, calibration, combinations, data stream, differential, group delay, incoming wave, independent set, parallel systems, polarization state, radio interferometer
Posted in Instrumentation and Methods, New, astro-ph | No Comments
Big Bang nucleosynthesis with a non-Maxwellian distribution [Cross-Listing]
Thursday, May 17th, 2012Tags: abundance, bang model, big bang nucleosynthesis, boltzmann statistics, light element, maxwellian distribution, unity, variation
Posted in Cosmology and Extragalactic, Cross-Listings, astro-ph | No Comments
Angular Momentum Transport and Variability in Boundary Layers of Accretion Disks Driven by Global Acoustic Modes
Thursday, May 17th, 2012Tags: accretion disk, acoustic mode, amplifier, angular momentum transport, boundary layer, compact object, dissipation, equatorial plane, global mode, inner edge, mass transport, orbital period, orbital velocity, pattern speed, resonance, rotational velocity, shock, simulation, variability
Posted in New, Solar and Stellar, astro-ph | No Comments
Dark Matter Primordial Black Holes and Inflation Models
Thursday, May 17th, 2012Tags: black hole, cosmological data, dark matter, derivative, field model, first derivative, inflation, mass model, parameter, perturbation, pivot scale, power spectrum, presence, scales, spectral index
Posted in Cosmology and Extragalactic, New, astro-ph | No Comments
The Importance of Disk Structure in Stalling Type I Migration
Thursday, May 17th, 2012Tags: accretion disk, density gradient, disk model, disk structure, dispersion, earth mass, gas giant, mass range, migration rate, numerical simulation, period orbits, perturbation, photon, stellar irradiation, structure parameters, super earth, surface density, temperature profile, torque
Posted in Earth and Planetary, New, astro-ph | No Comments
Interstellar Dust Close to the Sun
Thursday, May 17th, 2012Tags: amorphous carbon, dimensional model, gas composition, grain characteristics, heliosphere, interstellar dust grain, interstellar gas, iron oxide, ism, low density, nearby reservoir, nearby star, olivine, plume, refractories, relative abundance, shock, solar wind, spacecraft, variation
Posted in Galactic, New, astro-ph | No Comments
X-ray Emission from Transient Jet Model in Black Hole Binaries [Replacement]
Thursday, May 17th, 2012Tags: black hole, compton, electron, hole binaries, inflow and outflow, infrared emission, inner radius, jet model, keV, magnetic field, new model, outburst, possible connection, radii, ray binaries, ray emission, synchrotron, transient nature, x ray, xte j1118
Posted in High Energy, Replacements, astro-ph | No Comments
Flux and Photon Spectral Index Distributions of Fermi-LAT Blazars And Contribution To The Extragalactic Gamma-ray Background [Replacement]
Thursday, May 17th, 2012Tags: assumption, background radiation, best fit, bia, bl lac, blazar, correlation, detection threshold, distributions, galactic latitude, gamma ray, parametric methods, petrosian, photon index, ray space, robustness, sigma, space telescope, spectral index, true distribution
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
Cosmological Sakharov Oscillations and Quantum Mechanics of the Early Universe [Replacement]
Thursday, May 17th, 2012Tags: academy of science, brief summary, early universe, gravitational field, gravitational wave, oscillation, perturbation, phenomena, physical sciences division, power spectrum, quantum mechanics, russian academy of science, sciences moscow, special session, standing wave, th anniversary, wave pattern
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
Panchromatic Observations of SN 2011dh Point to a Compact Progenitor Star [Replacement]
Thursday, May 17th, 2012Tags: circumstellar environment, current instruments, density profile, emission radio, equipartition, gamma ray, hst observation, inverse compton, mass loss, optical emission, optical photometry, optical photons, progenitor star, radio data, ray observations, spatial coverage, stellar density, synchrotron emission, type iib, x ray
Posted in Cosmology and Extragalactic, High Energy, Replacements, astro-ph | No Comments
Galaxy Zoo: dust and molecular gas in early-type galaxies with prominent dust lanes [Replacement]
Thursday, May 17th, 2012Tags: density environments, dust lane, etg, galaxy, merger, population, type galaxy, zoo
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
Galaxy evolution in groups and clusters: star formation rates, red sequence fractions, and the persistent bimodality [Replacement]
Thursday, May 17th, 2012Tags: bimodal, central galaxy, cluster catalogs, companion paper, digital sky survey, fraction, galaxy evolution, galaxy group, halo 2, halo center, massive cluster, msol, satellite galaxy, sky survey data, sloan digital, star formation rate, stellar mass, strong break, vir
Posted in Cosmology and Extragalactic, Galactic, Replacements, astro-ph | No Comments
The relation between broad lines and gamma–ray luminosities in Fermi blazars [Replacement]
Thursday, May 17th, 2012Tags: absolute value, accretion, bl lac, black hole, blazar, correlation, digital sky survey, eddington, emission line, energy emission, gamma ray, high energy, hole mass, jet power, mev, proxy, sdss, sloan digital, spectrum radio
Posted in High Energy, Replacements, astro-ph | No Comments
Direct MD simulation of liquid-solid phase equilibria for two-component plasmas [Replacement]
Thursday, May 17th, 2012Tags: bond angle, carbon ions, component model, constants, cumming, electron screening, equilibrium, finite size effects, liquid phase, md simulation, medin, melting temperature, neutron star, oxygen ions, oxygen system, phase diagram, phase equilibrium, rapid proton, screening effects
Posted in Replacements, Solar and Stellar, astro-ph | No Comments
Minimum Energy Configurations in the $N$-Body Problem and the Celestial Mechanics of Granular Systems [Replacement]
Thursday, May 17th, 2012Tags: celestial mechanics, density distribution, finite density, granular systems, hypothesis, minimum energy, relative equilibria
Posted in Earth and Planetary, Replacements, astro-ph | No Comments
The inner wind of IRC+10216 revisited: New exotic chemistry and diagnostic for dust condensation in carbon stars [Replacement]
Thursday, May 17th, 2012Tags: abundant species, aromatics, carbon dust, carbon star, chemical families, dust formation, formation region, gas layers, halogen, herschel, hydride, inner wind, mass ratio, observational data, polycyclic aromatic hydrocarbon, pulsation period, silicon carbide, stellar pulsation, supergiant star
Posted in Replacements, Solar and Stellar, astro-ph | No Comments
Multiphase, non-spherical gas accretion onto a black hole [Replacement]
Thursday, May 17th, 2012Tags: 3d simulation, accretion, astrophysical implications, central mass, dense clump, density region, filament, filamentary structure, formation of clouds, formation of stars, inflow rate, line regions, low density, radii, spatial location, supermassive black hole, thermal instability, x limit, x ray
Posted in Cosmology and Extragalactic, High Energy, Replacements, astro-ph | No Comments
Light Dark Matter, Light Higgs and the Electroweak Phase Transition [Replacement]
Thursday, May 17th, 2012Tags: cogent, dark matter, electroweak phase transition, factories, fraction, gev, lep, light higgs, minimal extension, precision test, scattering cross section, standard model, xenon
Posted in High Energy, Replacements, astro-ph | No Comments
Approximate Bayesian Computation for Astronomical Model Analysis: A Case Study in Galaxy Demographics and Morphological Transformation at High Redshift [Replacement]
Thursday, May 17th, 2012Tags: abc analysis, bayesian computation, complex stochastic systems, early universe, input parameter, latter condition, markov chain monte, markov chain monte carlo, mcmc, model analysis, monte carlo simulation, posterior probability, probability density, redshift galaxies, statistical algorithm, statistical inference, stochastic model, summary statistic, target sequence, tight constraints
Posted in Cosmology and Extragalactic, Instrumentation and Methods, Replacements, astro-ph | No Comments
Particle-in-cell simulations of particle energization from low Mach number fast mode shocks [Replacement]
Thursday, May 17th, 2012Tags: boundary method, cell pic, cell simulation, dimensional particle, electron distribution, electron mass, initial generation, mach number, magnetic pressure, microphysics, moving wall, pic simulations, plasma turbulence, shock formation, shock speed, shock transition, simulation result, simulation time, solar flare, transition region
Posted in Replacements, Solar and Stellar, astro-ph | No Comments
Very small-scale clustering of quasars from a complete quasar lens survey [Replacement]
Thursday, May 17th, 2012Tags: correlation function, kpc, lens survey, quasar
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
Gauge-invariant variables in general-relativistic perturbations: globalization and zero-mode problem [Replacement]
Thursday, May 17th, 2012Tags: assumption, decomposition, global sense, globalization, metric perturbations, perturbation theory, proof, spacetime, variables
Posted in Cosmology and Extragalactic, Replacements, astro-ph | No Comments
Dark matter origin of the gamma ray emission from the galactic center observed by HESS [Replacement]
Thursday, May 17th, 2012Tags: annihilation, array, cherenkov telescopes, contraction, dark matter, enhancement, Fermi, galactic center, gamma ray emission, hes, morphology, parsec, photon, profile, simulation, spectrum
Posted in Cosmology and Extragalactic, High Energy, Replacements, astro-ph | No Comments
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