ASTRONOMY & ASTROPHYSICS, ISSN 0004-6361, 03/2019, Volume 623, p. A148

We investigate the clustering properties of radio sources in the Alternative Data Release 1 of the TIFR GMRT Sky Survey (TGSS), focusing on large angular...

SKY | methods: observational | methods: data analysis | POWER SPECTRA | BIAS | large-scale structure of Universe | NVSS | LUMINOSITY FUNCTION | DIPOLE | ANGULAR-CORRELATION FUNCTION | 1ST | CATALOG | ASTRONOMY & ASTROPHYSICS | cosmology: observations | GALAXIES | radio continuum: galaxies | Physics - Cosmology and Nongalactic Astrophysics

SKY | methods: observational | methods: data analysis | POWER SPECTRA | BIAS | large-scale structure of Universe | NVSS | LUMINOSITY FUNCTION | DIPOLE | ANGULAR-CORRELATION FUNCTION | 1ST | CATALOG | ASTRONOMY & ASTROPHYSICS | cosmology: observations | GALAXIES | radio continuum: galaxies | Physics - Cosmology and Nongalactic Astrophysics

Journal Article

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 01/2020, Volume 491, Issue 2, pp. 2565 - 2575

In this paper, we demonstrate that the information encoded in one single (sufficiently large) N-body simulation can be used to reproduce arbitrary numbers of...

ACCURATE | COMPARING APPROXIMATE METHODS | large-scale structure of Universe | DARK-MATTER HALOES | MOCK CATALOGS | cosmology:theory | PRECISION | PERTURBATION-THEORY | COSMOLOGY | ASTRONOMY & ASTROPHYSICS | GENERATION | COVARIANCE MATRICES | ASSEMBLY BIAS | Physics - Cosmology and Nongalactic Astrophysics

ACCURATE | COMPARING APPROXIMATE METHODS | large-scale structure of Universe | DARK-MATTER HALOES | MOCK CATALOGS | cosmology:theory | PRECISION | PERTURBATION-THEORY | COSMOLOGY | ASTRONOMY & ASTROPHYSICS | GENERATION | COVARIANCE MATRICES | ASSEMBLY BIAS | Physics - Cosmology and Nongalactic Astrophysics

Journal Article

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 02/2019, Volume 483, Issue 1, pp. L58 - L63

We present BAM: a novel Bias Assignment Method envisaged to generate mock catalogues. Combining the statistics of dark matter tracers from a high-resolution...

ACCURATE | large-scale structure of Universe | HALO BIAS | cosmology: theory | DEPENDENCE | OSCILLATION SPECTROSCOPIC SURVEY | PERTURBATION-THEORY | COSMOLOGY | ASTRONOMY & ASTROPHYSICS | MASS | DARK-MATTER | GALAXY CATALOGS | ASSEMBLY BIAS | Physics - Cosmology and Nongalactic Astrophysics | ASTRONOMY AND ASTROPHYSICS | cosmology

ACCURATE | large-scale structure of Universe | HALO BIAS | cosmology: theory | DEPENDENCE | OSCILLATION SPECTROSCOPIC SURVEY | PERTURBATION-THEORY | COSMOLOGY | ASTRONOMY & ASTROPHYSICS | MASS | DARK-MATTER | GALAXY CATALOGS | ASSEMBLY BIAS | Physics - Cosmology and Nongalactic Astrophysics | ASTRONOMY AND ASTROPHYSICS | cosmology

Journal Article

Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 01/2019, Volume 482, Issue 2, pp. 1786 - 1806

This paper is the first in a set that analyses the covariance matrices of clustering statistics obtained from several approximate methods for gravitational...

Large-scale structure of Universe | Cosmological parameters | POWER-SPECTRUM | GALAXY REDSHIFT SURVEY | ACCURATE | large-scale structure of Universe | ICE-COLA | SURVEY COSMOLOGICAL IMPLICATIONS | SPACE | PERTURBATION-THEORY | ASTRONOMY & ASTROPHYSICS | BARYON ACOUSTIC-OSCILLATIONS | PEAK | GENERATION | cosmological parameters | Physics - Cosmology and Nongalactic Astrophysics

Large-scale structure of Universe | Cosmological parameters | POWER-SPECTRUM | GALAXY REDSHIFT SURVEY | ACCURATE | large-scale structure of Universe | ICE-COLA | SURVEY COSMOLOGICAL IMPLICATIONS | SPACE | PERTURBATION-THEORY | ASTRONOMY & ASTROPHYSICS | BARYON ACOUSTIC-OSCILLATIONS | PEAK | GENERATION | cosmological parameters | Physics - Cosmology and Nongalactic Astrophysics

Journal Article

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 05/2019, Volume 485, Issue 2, pp. 2806 - 2824

We study the accuracy of several approximate methods for gravitational dynamics in terms of halo power spectrum multipoles and their estimated covariance...

GALAXY REDSHIFT SURVEY | methods: data analysis | FAST SIMULATIONS | PEAK-PATCH PICTURE | large-scale structure of Universe | methods: numerical | COSMIC CATALOGS | OSCILLATION SPECTROSCOPIC SURVEY | SURVEY COSMOLOGICAL IMPLICATIONS | FAST GENERATION | PERTURBATION-THEORY | ASTRONOMY & ASTROPHYSICS | BARYON ACOUSTIC-OSCILLATIONS | DARK-MATTER | cosmological parameters

GALAXY REDSHIFT SURVEY | methods: data analysis | FAST SIMULATIONS | PEAK-PATCH PICTURE | large-scale structure of Universe | methods: numerical | COSMIC CATALOGS | OSCILLATION SPECTROSCOPIC SURVEY | SURVEY COSMOLOGICAL IMPLICATIONS | FAST GENERATION | PERTURBATION-THEORY | ASTRONOMY & ASTROPHYSICS | BARYON ACOUSTIC-OSCILLATIONS | DARK-MATTER | cosmological parameters

Journal Article

Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 02/2019, Volume 482, Issue 4, pp. 4883 - 4905

We compare the measurements of the bispectrum and the estimate of its covariance obtained from a set of different methods for the efficient generation of...

Large-scale structure of universe | Cosmological parameters | PEAK-PATCH PICTURE | BIAS | large-scale structure of Universe | COSMIC CATALOGS | FEATURES | OSCILLATION SPECTROSCOPIC SURVEY | FAST GENERATION | POWER SPECTRUM | ASTRONOMY & ASTROPHYSICS | GALAXY CATALOGS | SIMULATIONS | UNIVERSE | cosmological parameters | Physics - Cosmology and Nongalactic Astrophysics

Large-scale structure of universe | Cosmological parameters | PEAK-PATCH PICTURE | BIAS | large-scale structure of Universe | COSMIC CATALOGS | FEATURES | OSCILLATION SPECTROSCOPIC SURVEY | FAST GENERATION | POWER SPECTRUM | ASTRONOMY & ASTROPHYSICS | GALAXY CATALOGS | SIMULATIONS | UNIVERSE | cosmological parameters | Physics - Cosmology and Nongalactic Astrophysics

Journal Article

Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 12/2007, Volume 382, Issue 2, pp. 621 - 640

ABSTRACT We explore the effects of a positive cosmological constant on astrophysical and cosmological configurations described by a polytropic equation of...

dark matter | cosmology: theory | Dark matter | Cosmology: theory | MATTER | PERTURBATIONS | cosmology : theory | SPHERES | SPHERICAL COLLAPSE | MODEL | DENSITY | POWER SPECTRUM | ASTRONOMY & ASTROPHYSICS | CONSTRAINTS | REDSHIFT | OSCILLATIONS | Cosmology | Astrophysics

dark matter | cosmology: theory | Dark matter | Cosmology: theory | MATTER | PERTURBATIONS | cosmology : theory | SPHERES | SPHERICAL COLLAPSE | MODEL | DENSITY | POWER SPECTRUM | ASTRONOMY & ASTROPHYSICS | CONSTRAINTS | REDSHIFT | OSCILLATIONS | Cosmology | Astrophysics

Journal Article

Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 05/2018, Volume 476, Issue 1, pp. 1050 - 1070

Using the almost all-sky 2MASS Photometric Redshift catalogue (2MPZ) we perform for the first time a tomographic analysis of galaxy angular clustering in the...

Cosmology: Observations | Cosmological parameters | Large-scale structure of Universe | Galaxies: Photometry | LARGE-SCALE STRUCTURE | galaxies: photometry | large-scale structure of Universe | REAL-SPACE | HALO OCCUPATION DISTRIBUTION | SPHERICAL HARMONIC-ANALYSIS | LUMINOUS RED GALAXIES | STATISTICAL-ANALYSIS | EXTRAGALACTIC OBJECTS | LOCAL HOLE | SPACE DISTORTIONS | DIGITAL SKY SURVEY | ASTRONOMY & ASTROPHYSICS | cosmology: observations | cosmological parameters | Physics - Cosmology and Nongalactic Astrophysics

Cosmology: Observations | Cosmological parameters | Large-scale structure of Universe | Galaxies: Photometry | LARGE-SCALE STRUCTURE | galaxies: photometry | large-scale structure of Universe | REAL-SPACE | HALO OCCUPATION DISTRIBUTION | SPHERICAL HARMONIC-ANALYSIS | LUMINOUS RED GALAXIES | STATISTICAL-ANALYSIS | EXTRAGALACTIC OBJECTS | LOCAL HOLE | SPACE DISTORTIONS | DIGITAL SKY SURVEY | ASTRONOMY & ASTROPHYSICS | cosmology: observations | cosmological parameters | Physics - Cosmology and Nongalactic Astrophysics

Journal Article

International Journal of Modern Physics D, ISSN 0218-2718, 09/2005, Volume 14, Issue 9, pp. 1507 - 1525

Astrophysical bounds on the cosmological constant are examined for spherically symmetric bodies. Similar limits emerge from the hydrostatical and gravitational...

Cosmological constant | Relativistic stars | Virial theorem | GENERAL-RELATIVITY | VIRIAL-THEOREM | FIELD | DARK ENERGY | EQUATIONS | relativistic stars | SYMMETRY | FLUID | ASTRONOMY & ASTROPHYSICS | cosmological constant | NEWTONIAN LIMIT | CONSEQUENCES | virial theorem | UNIVERSE

Cosmological constant | Relativistic stars | Virial theorem | GENERAL-RELATIVITY | VIRIAL-THEOREM | FIELD | DARK ENERGY | EQUATIONS | relativistic stars | SYMMETRY | FLUID | ASTRONOMY & ASTROPHYSICS | cosmological constant | NEWTONIAN LIMIT | CONSEQUENCES | virial theorem | UNIVERSE

Journal Article

10.
Full Text
What can the spatial distribution of galaxy clusters tell about their scaling relations?

Astronomy and Astrophysics, ISSN 0004-6361, 2014, Volume 563, pp. A141 - np

Context. The clustering of galaxy clusters is sensitive not only to the parameters characterizing a given cosmological model, but also to the links between...

Galaxies: clusters: general | X-rays: galaxies: clusters | Large-scale structure of Universe | POWER-SPECTRUM | LUMINOSITY | galaxies: clusters: general | HALO MASS FUNCTION | STATISTICS | BIAS | large-scale structure of Universe | DARK ENERGY | MODEL | ACOUSTIC-OSCILLATIONS | COSMOLOGICAL PARAMETERS | ASTRONOMY & ASTROPHYSICS | REDSHIFT SURVEY | Galactic clusters | X-rays | Clusters | Luminosity | Cosmology | Mathematical models | Clustering | Statistics | Physics - Cosmology and Nongalactic Astrophysics

Galaxies: clusters: general | X-rays: galaxies: clusters | Large-scale structure of Universe | POWER-SPECTRUM | LUMINOSITY | galaxies: clusters: general | HALO MASS FUNCTION | STATISTICS | BIAS | large-scale structure of Universe | DARK ENERGY | MODEL | ACOUSTIC-OSCILLATIONS | COSMOLOGICAL PARAMETERS | ASTRONOMY & ASTROPHYSICS | REDSHIFT SURVEY | Galactic clusters | X-rays | Clusters | Luminosity | Cosmology | Mathematical models | Clustering | Statistics | Physics - Cosmology and Nongalactic Astrophysics

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 04/2013, Volume 2013, Issue 4, pp. 22 - 22

The halo mass function from N-body simulations of collisionless matter is generally used to retrieve cosmological parameters from observed counts of galaxy...

cosmological parameters from LSS | cluster counts | galaxy clusters | MATTER POWER SPECTRUM | DARK | FRACTION | CHALLENGE | EVOLUTION | ASTRONOMY & ASTROPHYSICS | MASS FUNCTION | CONSTRAINTS | SIMULATIONS | PRECISION COSMOLOGY | PARAMETER | PHYSICS, PARTICLES & FIELDS | Galactic clusters | Clusters | Cosmology | Conditional probability | Formalism | Dynamical systems | Baryons | Counting | Optimization | Physics - Cosmology and Nongalactic Astrophysics | CORRECTIONS | RANDOMNESS | PROBABILITY | COSMOLOGY | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | COSMOLOGICAL CONSTANT | GALAXY CLUSTERS | MASS | BARYONS | COMPUTERIZED SIMULATION | PROBES

cosmological parameters from LSS | cluster counts | galaxy clusters | MATTER POWER SPECTRUM | DARK | FRACTION | CHALLENGE | EVOLUTION | ASTRONOMY & ASTROPHYSICS | MASS FUNCTION | CONSTRAINTS | SIMULATIONS | PRECISION COSMOLOGY | PARAMETER | PHYSICS, PARTICLES & FIELDS | Galactic clusters | Clusters | Cosmology | Conditional probability | Formalism | Dynamical systems | Baryons | Counting | Optimization | Physics - Cosmology and Nongalactic Astrophysics | CORRECTIONS | RANDOMNESS | PROBABILITY | COSMOLOGY | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | COSMOLOGICAL CONSTANT | GALAXY CLUSTERS | MASS | BARYONS | COMPUTERIZED SIMULATION | PROBES

Journal Article

Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 9/2012, Volume 425, Issue 3, pp. 2244 - 2254

Abstract We describe the construction of a suite of galaxy cluster mock catalogues from N-body simulations, based on the properties of the new ROSAT-ESO Flux...

large‐scale structure of Universe | X‐rays: galaxies: clusters | Clusters | Galaxies | Large-scale structure of universe | X-rays | UNIVERSALITY | HALO MASS FUNCTION | large-scale structure of Universe | ACOUSTIC-OSCILLATIONS | LUMINOUS RED GALAXIES | COSMOLOGY | EVOLUTION | SCALING RELATIONS | ASTRONOMY & ASTROPHYSICS | CONSTRAINTS | SIMULATIONS | X-rays: galaxies: clusters | POWER-SPECTRUM ANALYSIS | Catalogs | Numerical analysis | Astrophysics | X ray astronomy | Dark matter | Stars & galaxies | Samples | Luminosity | Catalogues | Statistical methods | Reflexes | Physics - Cosmology and Nongalactic Astrophysics

large‐scale structure of Universe | X‐rays: galaxies: clusters | Clusters | Galaxies | Large-scale structure of universe | X-rays | UNIVERSALITY | HALO MASS FUNCTION | large-scale structure of Universe | ACOUSTIC-OSCILLATIONS | LUMINOUS RED GALAXIES | COSMOLOGY | EVOLUTION | SCALING RELATIONS | ASTRONOMY & ASTROPHYSICS | CONSTRAINTS | SIMULATIONS | X-rays: galaxies: clusters | POWER-SPECTRUM ANALYSIS | Catalogs | Numerical analysis | Astrophysics | X ray astronomy | Dark matter | Stars & galaxies | Samples | Luminosity | Catalogues | Statistical methods | Reflexes | Physics - Cosmology and Nongalactic Astrophysics

Journal Article

Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2011, Volume 413, Issue 1, pp. 386 - 400

We present the power spectrum of galaxy clusters measured from the new ROSAT-ESO Flux-Limited X-Ray (REFLEX II) galaxy cluster catalogue. This new sample...

galaxies: clusters: general | large‐scale structure of Universe | X‐rays: galaxies: clusters | cosmology: theory | Galaxies: clusters: general | Cosmology: theory | X-rays: galaxies: clusters | Large-scale structure of Universe | large-scale structure of Universe | ACOUSTIC-OSCILLATIONS | LUMINOUS RED GALAXIES | HALO MODEL | SAMPLE | COSMOLOGICAL PARAMETERS | ASTRONOMY & ASTROPHYSICS | X-RAY | MASS FUNCTION | REDSHIFT SURVEY | CONSTRAINTS | PRECISION COSMOLOGY | Surveys | X-rays | Luminosity | Cosmology | Evolution | Astrophysics | Stars & galaxies | Physics - Cosmology and Nongalactic Astrophysics

galaxies: clusters: general | large‐scale structure of Universe | X‐rays: galaxies: clusters | cosmology: theory | Galaxies: clusters: general | Cosmology: theory | X-rays: galaxies: clusters | Large-scale structure of Universe | large-scale structure of Universe | ACOUSTIC-OSCILLATIONS | LUMINOUS RED GALAXIES | HALO MODEL | SAMPLE | COSMOLOGICAL PARAMETERS | ASTRONOMY & ASTROPHYSICS | X-RAY | MASS FUNCTION | REDSHIFT SURVEY | CONSTRAINTS | PRECISION COSMOLOGY | Surveys | X-rays | Luminosity | Cosmology | Evolution | Astrophysics | Stars & galaxies | Physics - Cosmology and Nongalactic Astrophysics

Journal Article

Classical and Quantum Gravity, ISSN 0264-9381, 01/2006, Volume 23, Issue 2, pp. 485 - 496

The cosmological constant, Lambda sets certain scales important in cosmology. We show that Lambda in conjunction with other parameters such as the...

PHYSICS, MULTIDISCIPLINARY | DARK ENERGY

PHYSICS, MULTIDISCIPLINARY | DARK ENERGY

Journal Article

15.
Full Text
Euclid preparation. V. Predicted yield of redshift 7 < z < 9 quasars from the wide survey

Astronomy and astrophysics, ISSN 0004-6361, 11/2019, Volume 631, Issue November 2019, p. A85

We provide predictions of the yield of 7 < z < 9 quasars from the Euclid wide survey, updating the calculation presented in the Euclid Red Book in several...

quasars: general | methods: statistical | Astrophysics - Astrophysics of Galaxies | surveys | To be checked for WOS id | To be checked by Faculty | Astrophysics - Cosmology and Nongalactic Astrophysics | REIONIZATION | NEUTRAL HYDROGEN | LUMINOSITY FUNCTION | BLACK-HOLES | Z-SIMILAR-TO-6 QUASARS | DIGITAL SKY SURVEY | ASTRONOMY & ASTROPHYSICS | LY-ALPHA EMISSION | STELLAR | ACCRETION FLOWS | IONIZATION | Physics | Astrophysics

quasars: general | methods: statistical | Astrophysics - Astrophysics of Galaxies | surveys | To be checked for WOS id | To be checked by Faculty | Astrophysics - Cosmology and Nongalactic Astrophysics | REIONIZATION | NEUTRAL HYDROGEN | LUMINOSITY FUNCTION | BLACK-HOLES | Z-SIMILAR-TO-6 QUASARS | DIGITAL SKY SURVEY | ASTRONOMY & ASTROPHYSICS | LY-ALPHA EMISSION | STELLAR | ACCRETION FLOWS | IONIZATION | Physics | Astrophysics

Journal Article