Search Results - "Kitaura, F. S."
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Bayesian reconstruction of the cosmological large-scale structure: methodology, inverse algorithms and numerical optimization
Published in Monthly notices of the Royal Astronomical Society (11-09-2008)“…We address the inverse problem of cosmic large-scale structure reconstruction from a Bayesian perspective. For a linear data model, a number of known and novel…”
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2
Nucleosynthesis in Electron Capture Supernovae of Asymptotic Giant Branch Stars
Published in The Astrophysical journal (10-04-2009)“…We examine nucleosynthesis in the electron capture supernovae of progenitor asymptotic giant branch stars with an O-Ne-Mg core (with the initial stellar mass…”
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CONSTRAINING THE BARYON FRACTION IN THE WARM HOT INTERGALACTIC MEDIUM AT LOW REDSHIFTS WITH PLANCK DATA
Published in The Astrophysical journal (10-06-2015)“…ABSTRACT We cross-correlate foreground cleaned Planck Nominal cosmic microwave background (CMB) maps with two templates constructed from the Two-Micron All-Sky…”
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SEARCH FOR EXTREMELY METAL-POOR GALAXIES IN THE SLOAN DIGITAL SKY SURVEY. II. HIGH ELECTRON TEMPERATURE OBJECTS
Published in The Astrophysical journal (10-03-2016)“…ABSTRACT Extremely metal-poor (XMP) galaxies are defined to have a gas-phase metallicity smaller than a tenth of the solar value ( ). They are uncommon,…”
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THE SIGNATURE OF THE WARM-HOT INTERGALACTIC MEDIUM IN WMAP AND THE FORTHCOMING PLANCK DATA
Published in The Astrophysical journal (20-05-2013)“…We compute the cross-correlation between the Warm-Hot Intergalactic Medium and maps of cosmic microwave background temperature anisotropies using a log-normal…”
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6
Optimal integrated Sachs-Wolfe detection and joint likelihood for cosmological parameter estimation
Published in Monthly notices of the Royal Astronomical Society (11-12-2008)“…ABSTRACT We analyse the local variance effect in the standard method for detecting the integrated Sachs–Wolfe (ISW) effect via cross‐correlating the cosmic…”
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The cosmic web connection to the dark matter halo distribution through gravity
Published in Monthly notices of the Royal Astronomical Society (26-03-2022)“…ABSTRACT This work investigates the connection between the cosmic web and the halo distribution through the gravitational potential at the field level. We…”
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Bayesian inference of cosmic density fields from non-linear, scale-dependent, and stochastic biased tracers
Published in Monthly notices of the Royal Astronomical Society (01-02-2015)“…We present a Bayesian reconstruction algorithm to generate unbiased samples of the underlying dark matter field from halo catalogues. Our new contribution…”
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DETECTION OF THE COSMIC γ-RAY HORIZON FROM MULTIWAVELENGTH OBSERVATIONS OF BLAZARS
Published in The Astrophysical journal (10-06-2013)“…The first statistically significant detection of the cosmic gamma -ray horizon (CGRH) that is independent of any extragalactic background light (EBL) model is…”
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Constraining the halo bispectrum in real and redshift space from perturbation theory and non-linear stochastic bias
Published in Monthly notices of the Royal Astronomical Society (21-06-2015)“…We present a method to produce mock galaxy catalogues with efficient perturbation theory schemes, which match the number density, power spectra and bispectra…”
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The cosmic web of the Local Universe: cosmic variance, matter content and its relation to galaxy morphology
Published in Monthly notices of the Royal Astronomical Society (08-10-2014)“…We present, for the first time, a Local Universe (LU) characterization using high-precision constrained N-body simulations based on self-consistent phase-space…”
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The Low Redshift survey at Calar Alto (LoRCA)
Published in Monthly notices of the Royal Astronomical Society (21-05-2016)“…The Baryon Acoustic Oscillation (BAO) feature in the power spectrum of galaxies provides a standard ruler to measure the accelerated expansion of the Universe…”
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Measuring baryon acoustic oscillations from the clustering of voids
Published in Monthly notices of the Royal Astronomical Society (11-07-2016)“…We investigate the necessary methodology to optimally measure the baryon acoustic oscillation (BAO) signal from voids, based on galaxy redshift catalogues. To…”
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14
Cosmic density field reconstruction from Lyα forest data
Published in Monthly notices of the Royal Astronomical Society. Letters (01-05-2011)“…ABSTRACT We present a novel, fast method to recover the density field through the statistics of the transmitted flux in high‐redshift quasar absorption…”
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dive in the cosmic web: voids with Delaunay triangulation from discrete matter tracer distributions
Published in Monthly notices of the Royal Astronomical Society (01-07-2016)“…We present a novel parameter-free cosmological void finder (dive, Delaunay TrIangulation Void findEr) based on Delaunay Triangulation (DT), which efficiently…”
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Non-Gaussian gravitational clustering field statistics
Published 27-06-2012“…In this work we investigate the multivariate statistical description of the matter distribution in the nonlinear regime. We introduce the multivariate…”
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17
Search for Extremely Metal-poor Galaxies in the Sloan Digital Sky Survey (II): high electron temperature objects
Published 07-01-2016“…Extremely metal-poor (XMP) galaxies are defined to have gas-phase metallicity smaller than a tenth of the solar value (12 + log[O/H] < 7.69). They are…”
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Linearisation with Cosmological Perturbation Theory
Published 15-06-2012“…We propose a new method to linearise cosmological mass density fields using higher order Lagrangian perturbation theory (LPT). We demonstrate that a given…”
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The signature of the Warm Hot Intergalactic Medium in WMAP and the forthcoming PLANCK data
Published 11-04-2013“…We compute the cross-correlation between the Warm-Hot Intergalactic Medium and maps of Cosmic Microwave Background temperature anisotropies using a log-normal…”
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20
Fast Hamiltonian sampling for large scale structure inference
Published 12-11-2009“…In this work we present a new and efficient Bayesian method for nonlinear three dimensional large scale structure inference. We employ a Hamiltonian Monte…”
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