Search Results - "Anže Slosar"
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Two-photon amplitude interferometry for precision astrometry
Published in The open journal of astrophysics (01-11-2022)“…Improved quantum sensing of photons from astronomical objects could provide high resolution observations in the optical benefiting numerous fields, including…”
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Recovering 21cm Monopole Signals Without Smoothness
Published in The open journal of astrophysics (03-07-2024)“…We expect the monopole signal at the lowest frequencies below 100 MHz to be composed to two components: the deep Rayleigh-Jeans tail of the cosmic microwave…”
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Can we constrain structure growth from galaxy proper motions?
Published in The open journal of astrophysics (02-02-2024)Get full text
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A unified pseudo- C ℓ framework
Published in Monthly notices of the Royal Astronomical Society (11-04-2019)“…The pseudo-Cℓ is an algorithm for estimating the angular power and cross-power spectra that is very fast and in realistic cases also nearly optimal. The…”
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The LSST-DESC 3x2pt Tomography Optimization Challenge
Published in The Astrophysical journal (19-10-2021)“…This paper presents the results of the Rubin Observatory Dark Energy Science Collaboration (DESC) 3x2pt tomography challenge, which served as a first step…”
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Dipole of the Epoch of Reionization 21-cm Signal
Published in Physical review letters (14-04-2017)“…The motion of the Solar System with respect to the cosmic rest frame modulates the monopole of the epoch of reionization 21-cm signal into a dipole. This…”
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The N5K Challenge: Non-Limber Integration for LSST Cosmology
Published in The open journal of astrophysics (2023)“…The rapidly increasing statistical power of cosmological imaging surveys requires us to reassess the regime of validity for various approximations that…”
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Cosmology with 6 parameters in the Stage-IV era: efficient marginalisation over nuisance parameters
Published in The open journal of astrophysics (17-07-2023)Get full text
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An Evaluation of Cosmological Models from the Expansion and Growth of Structure Measurements
Published in The Astrophysical journal (01-12-2017)“…We compare a large suite of theoretical cosmological models to observational data from the cosmic microwave background, baryon acoustic oscillation…”
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Galaxy–galaxy lensing estimators and their covariance properties
Published in Monthly notices of the Royal Astronomical Society (11-11-2017)“…Abstract We study the covariance properties of real space correlation function estimators – primarily galaxy–shear correlations, or galaxy–galaxy lensing –…”
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First constraint on the neutrino-induced phase shift in the spectrum of baryon acoustic oscillations
Published in Nature physics (01-05-2019)“…The existence of the cosmic neutrino background is a robust prediction of the hot big bang model. These neutrinos were a dominant component of the energy…”
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Cosmological constraints from galaxy–lensing cross-correlations using BOSS galaxies with SDSS and CMB lensing
Published in Monthly notices of the Royal Astronomical Society (01-01-2020)“…We present cosmological parameter constraints based on a joint modelling of galaxy–lensing cross-correlations and galaxy clustering measurements in the SDSS,…”
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Detection of baryon acoustic oscillation features in the large-scale three-point correlation function of SDSS BOSS DR12 CMASS galaxies
Published in Monthly notices of the Royal Astronomical Society (01-08-2017)“…Abstract We present the large-scale three-point correlation function (3PCF) of the Sloan Digital Sky Survey DR12 Constant stellar Mass (CMASS) sample of 777…”
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Validating Synthetic Galaxy Catalogs for Dark Energy Science in the LSST Era
Published in The open journal of astrophysics (2022)“…Large simulation efforts are required to provide synthetic galaxy catalogs for ongoing and upcoming cosmology surveys. These extragalactic catalogs are being…”
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15
Primordial features from linear to nonlinear scales
Published in Physical review research (27-12-2019)“…Sharp features in the primordial power spectrum are a powerful window into the inflationary epoch. To date, the cosmic microwave background (CMB) has offered…”
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Searching for dark energy in the matter-dominated era
Published in Monthly notices of the Royal Astronomical Society (01-08-2021)“…ABSTRACT Most efforts to detect signatures of dynamical dark energy (DE) are focused on late times, z ≲ 2, where the DE component begins to dominate the cosmic…”
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Galaxy Zoo 1: data release of morphological classifications for nearly 900 000 galaxies
Published in Monthly notices of the Royal Astronomical Society (01-01-2011)“…Morphology is a powerful indicator of a galaxy's dynamical and merger history. It is strongly correlated with many physical parameters, including mass, star…”
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Cosmological parameter constraints from galaxy-galaxy lensing and galaxy clustering with the SDSS DR7
Published in Monthly notices of the Royal Astronomical Society (21-06-2013)“…Recent studies have shown that the cross-correlation coefficient between galaxies and dark matter is very close to unity on scales outside a few virial radii…”
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The Completed SDSS-IV Extended Baryon Oscillation Spectroscopic Survey: Baryon Acoustic Oscillations with Lyα Forests
Published in The Astrophysical journal (01-10-2020)“…We present a measurement of baryonic acoustic oscillations (BAOs) from Ly α absorption and quasars at an effective redshift using the complete extended…”
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Galaxy Zoo Green Peas: discovery of a class of compact extremely star-forming galaxies
Published in Monthly notices of the Royal Astronomical Society (01-11-2009)“…We investigate a class of rapidly growing emission line galaxies, known as ‘Green Peas’, first noted by volunteers in the Galaxy Zoo project because of their…”
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