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Do stellar winds play a decisive role in feeding AGN?: While the existence of a starburst-AGN connection is undisputed, there is no
consensus on what the connection is. In this contribution, we begin by noting
that the mechanisms which drive gas inwards in disk galaxies are generally
inefficient at removing angular mom... | astro-ph_CO |
Strong Lensing Analysis of PLCK G004.5$-$19.5, a Planck-Discovered
Cluster Hosting a Radio Relic at $z=0.52$: The recent discovery of a large number of galaxy clusters using the
Sunyaev-Zel'dovich (SZ) effect has opened a new era on the study of the most
massive clusters in the Universe. Multi-wavelength analyses are... | astro-ph_CO |
Dark Energy Constraints in light of Pantheon SNe Ia, BAO, Cosmic
Chronometers and CMB Polarization and Lensing Data: To explore whether there is new physics going beyond the standard
cosmological model or not, we constrain seven cosmological models by combining
the latest and largest Pantheon Type Ia supernovae sampl... | astro-ph_CO |
A unified solution to the small scale problems of the $Λ$CDM model: We study, by means of the model proposed in Del Popolo (2009), the effect of
baryon physics on the small scale problems of the CDM model. We show that,
using this model, the cusp/core problem, the missing satellite problem (MSP),
the Too Big to Fail (T... | astro-ph_CO |
Galaxy And Mass Assembly (GAMA): A deeper view of the mass, metallicity,
and SFR relationships: A full appreciation of the role played by gas metallicity (Z), star-formation
rate (SFR), and stellar mass is fundamental to understanding how galaxies form
and evolve. The connections between these three parameters at dif... | astro-ph_CO |
Modeling the Nuclear Infrared Spectral Energy Distribution of Type II
Active Galactic Nuclei: We present results from model fitting to the Spectral Energy Distribution
(SED) of a homogeneous sample of Seyfert II galaxies drawn from the $12\mu$m
Galaxy Sample. Imaging and nuclear flux measurements are presented in an
... | astro-ph_CO |
Molecular gas in the inner 0.7kpc-radius ring of M31: The study of the gas kinematic in the central 1.5kpc x 1.5kpc region of M31
has revealed several surprises. The starting point of this investigation was
the detection at the IRAM-30m telescope of molecular gas with very large line
splittings up to 260km/s within the... | astro-ph_CO |
Isotropy analyses of the Planck convergence map: The presence of matter in the path of relic photons causes distortions in the
angular pattern of the cosmic microwave background (CMB) temperature
fluctuations, modifying their properties in a slight but measurable way.
Recently, the Planck Collaboration released the est... | astro-ph_CO |
The SDSS Coadd: 275 deg^2 of Deep SDSS Imaging on Stripe 82: We present details of the construction and characterization of the coaddition
of the Sloan Digital Sky Survey Stripe 82 \ugriz\ imaging data. This survey
consists of 275 deg$^2$ of repeated scanning by the SDSS camera of $2.5\arcdeg$
of $\delta$ over $-50\arc... | astro-ph_CO |
Imprint of thawing scalar fields on large scale galaxy overdensity: We investigate the observed galaxy power spectrum for the thawing class of
scalar field models taking into account various general relativistic
corrections that occur on very large scales. We consider the full general
relativistic perturbation equation... | astro-ph_CO |
A gravitational-wave limit on the Chandrasekhar mass of dark matter: We explore a new paradigm to study dissipative dark matter models using
gravitational-wave observations. We consider a dark atomic model which predicts
the formation of binary black holes such as GW190425 while obeying constraints
from large-scale str... | astro-ph_CO |
Heating of the intergalactic medium by the cosmic microwave background
during cosmic dawn: The intergalactic medium is expected to be at its coldest point before the
formation of the first stars in the universe. Motivated by recent results from
the EDGES experiment, we revisit the standard calculation of the kinetic
... | astro-ph_CO |
The formation of disks in massive spiral galaxies: The flatness of the rotation curve inside spiral galaxies is interpreted as
the imprint of a halo of invisible matter. Using the deepest observations of
distant galaxies, we have investigated how large disks could have been formed.
Observations include spatially resolv... | astro-ph_CO |
Prospects of testing late-time cosmology with weak lensing of
gravitational waves and galaxy surveys: We investigate the synergy of upcoming galaxy surveys and gravitational wave
(GW) experiments in constraining late-time cosmology, examining the
cross-correlations between the weak lensing of gravitational waves (GW-... | astro-ph_CO |
Mapping the Clumpy Structures within Submillimeter Galaxies using
Laser-Guide Star Adaptive Optics Spectroscopy: We present the first integral-field spectroscopic observations of
high-redshift submillimeter-selected galaxies (SMGs) using Laser Guide Star
Adaptive Optics (LGS-AO). We target H-alpha emission of three S... | astro-ph_CO |
Stochastic gravitational waves from cosmic string loops in scaling: If cosmic strings are formed in the early universe, their associated loops
emit gravitational waves during the whole cosmic history and contribute to the
stochastic gravitational wave background at all frequencies. We provide a new
estimate of the stoc... | astro-ph_CO |
Gravity at the horizon: on relativistic effects, CMB-LSS correlations
and ultra-large scales in Horndeski's theory: We address the impact of consistent modifications of gravity on the largest
observable scales, focusing on relativistic effects in galaxy number counts and
the cross-correlation between the matter large... | astro-ph_CO |
The C-Band All-Sky Survey: The C-Band All-Sky Survey (C-BASS) is an experiment to image the whole sky in
intensity and polarization at 5 GHz. The primary aim of C-BASS is to provide
low-frequency all-sky maps of the Galactic emission which will enable accurate
component separation analysis of both existing and future C... | astro-ph_CO |
Transverse velocities and matter gradient correlations: a new signal and
a new challenge to moving-lens analyses: An observer that is moving towards a high-density region sees, on average, a
higher matter density and more foreground-emitting sources ahead than behind
themself. Consequently, the average abundance and ... | astro-ph_CO |
On the Transverse-Traceless Projection in Lattice Simulations of
Gravitational Wave Production: It has recently been pointed out that the usual procedure employed in order
to obtain the transverse-traceless (TT) part of metric perturbations in lattice
simulations was inconsistent with the fact that those fields live ... | astro-ph_CO |
A boosted gravitational-wave background for primordial black holes with
broad mass distributions and thermal features: Primordial black holes (PBHs) with a wide mass distribution imprinted by the
thermal history of the Universe, which naturally produces a high peak at the
solar mass scale, could explain the gravitati... | astro-ph_CO |
An inflation model for massive primordial black holes to interpret the
JWST observations: The first observations of the James Webb Space Telescope (JWST) have
identified six massive galaxy candidates with the stellar masses $M_\ast\gtrsim
10^{10}\,M_\odot$ at high redshifts $7.4\lesssim z\lesssim 9.1$, with two most
... | astro-ph_CO |
The velocity shear and vorticity across redshifts and non-linear scales: The evolution of the large scale distribution of matter in the universe is
often characterized by the density field. Here we take a complimentary approach
and characterize it using the cosmic velocity field, specifically the
deformation of the vel... | astro-ph_CO |
Constraining Chameleon screening using galaxy cluster dynamics: We constrain the Chameleon \textit{screening} mechanism in galaxy clusters,
essentially obtaining limits on the coupling strength $\beta$ and the
asymptotic value of the field $\phi_{\infty}$. For this purpose, we utilized a
collection of the 9 relaxed gal... | astro-ph_CO |
XMM-{\em Newton} and FUSE Tentative Evidence for a WHIM filament along
the Line of Sight to PKS~0558-504: We present a possible OVIII X-ray absorption line at $z=0.117 \pm 0.001$
which, if confirmed, will be the first one associated with a broad HI Ly$\beta$
(BLB: FWHM=$160^{+50}_{-30}$ km s$^{-1}$) absorber. The abs... | astro-ph_CO |
Effects of dark matter pressure on the ellipticity of cosmic voids: The dark matter in or around the cosmic voids affects their shapes. The
thermodynamical properties of dark matter can alter the ellipticity of cosmic
voids. Here, applying the dark matter equation of state from the
pseudo-isothermal density profile of ... | astro-ph_CO |
The intergalactic medium in the cosmic web: The intergalactic medium (IGM) accounts for ~90% of baryons at all epochs and
yet its three dimensional distribution in the cosmic web remains mostly
unknown. This is so because the only feasible way to observe the bulk of the
IGM is through intervening absorption line system... | astro-ph_CO |
Dynamical Delays Between Starburst and AGN Activity in Galaxy Nuclei: Observations of AGN have suggested a possible delay between the peak of star
formation (on some scale) and AGN activity. Inefficient fueling (and/or
feedback) from fast stellar winds has been invoked to explain this, but we
argue this is unlikely in ... | astro-ph_CO |
A flexible subhalo abundance matching model for galaxy clustering in
redshift space: We develop an extension of subhalo abundance matching (SHAM) capable of
accurately reproducing the real and redshift-space clustering of galaxies in a
state-of-the-art hydrodynamical simulation. Our method uses a low-resolution
gravi... | astro-ph_CO |
Impact of blending on weak lensing measurements with the Vera C. Rubin
Observatory: Upcoming deep optical surveys such as the Vera C. Rubin Observatory Legacy
Survey of Space and Time will scan the sky to unprecedented depths and detect
billions of galaxies. This amount of detections will however cause the apparent
s... | astro-ph_CO |
Low mass WIMP search with EDELWEISS-III: First Results: We present the first search for low mass WIMPs using the Germanium bolometers
of the EDELWEISS-III experiment. Upgrades to the detectors and the electronics
enhance the background discrimination and the low energy sensitivity with
respect to EDELWEISS-II. A multiv... | astro-ph_CO |
HERschel Observations of Edge-on Spirals (HEROES). I: Far-infrared
morphology and dust mass determination: Context. Edge-on spiral galaxies with prominent dust lanes provide us with an
excellent opportunity to study the distribution and properties of the dust
within them. The HEROES project was set up to observe a sa... | astro-ph_CO |
The starburst-AGN connection in the merger galaxy Mrk 938: an infrared
and X-ray view: Mrk938 is a luminous infrared galaxy in the local Universe believed to be the
remnant of a galaxy merger. It shows a Seyfert 2 nucleus and intense star
formation according to optical spectroscopic observations. We have studied this... | astro-ph_CO |
Modelling the dusty universe II: The clustering of
submillimetre-selected galaxies: We combine the GALFORM semi-analytical model of galaxy formation, which
predicts the star formation and merger histories of galaxies, the GRASIL
spectro-photometric code, which calculates the spectral energy distributions
(SEDs) of ga... | astro-ph_CO |
Probing the time dependence of dark energy: A new method to investigate a possible time-dependence of the dark energy
equation of state $w$ is proposed. We apply this methodology to two of the most
recent data sets of type Ia supernova (Union2 and SDSS) and the baryon acoustic
oscillation peak at $z = 0.35$. For some c... | astro-ph_CO |
Mocking the Weak Lensing universe: the LensTools python computing
package: We present a newly developed software package which implements a wide range
of routines frequently used in Weak Gravitational Lensing (WL). With the
continuously increasing size of the WL scientific community we feel that easy
to use Applicati... | astro-ph_CO |
Observational Hints of a Pre--Inflationary Scale?: We argue that the lack of power exhibited by cosmic microwave background
(CMB) anisotropies at large angular scales might be linked to the onset of
inflation. We highlight observational features and theoretical hints that
support this view, and present a preliminary es... | astro-ph_CO |
HeII emission in Lyman-alpha nebulae: AGN or cooling radiation?: We present a study of an extended Lyman-alpha (Lya) nebula located in a known
overdensity at z~2.38. The data include multiwavelength photometry covering the
rest-frame spectral range from 0.1 to 250um, and deep optical spectra of the
sources associated w... | astro-ph_CO |
On the extended structure of the Phoenix dwarf galaxy: We present the star formation history (SFH) and its variations with
galactocentric distance for the Local Group dwarf galaxy of Phoenix.
Color-magnitude diagram was obtained from WFPC2@HST reaching the oldest main
sequence turnoffs. The IAC-star and IAC-pop codes a... | astro-ph_CO |
Lagrangian Formulation of the Eulerian-EFT: We study the counter terms in the Eulerian version of the EFT of Large Scale
Structure. We reformulate the equations to solve for the displacement of fluid
elements as a bookkeeping variable and study the structure of the counter terms
in this formulation. We show that in man... | astro-ph_CO |
Inflationary Freedom and Cosmological Neutrino Constraints: The most stringent bounds on the absolute neutrino mass scale come from
cosmological data. These bounds are made possible because massive relic
neutrinos affect the expansion history of the universe and lead to a
suppression of matter clustering on scales smal... | astro-ph_CO |
Halo velocity profiles in screened modified gravity theories: Screened modified gravity predicts potentially large signatures in the
peculiar velocity field that makes it an interesting probe to test gravity on
cosmological scales. We investigate the signatures induced by the Symmetron and
a Chameleon $f(R)$ model in t... | astro-ph_CO |
Euclid: Forecasts for $k$-cut $3 \times 2$ Point Statistics: Modelling uncertainties at small scales, i.e. high $k$ in the power spectrum
$P(k)$, due to baryonic feedback, nonlinear structure growth and the fact that
galaxies are biased tracers poses a significant obstacle to fully leverage the
constraining power of th... | astro-ph_CO |
Kinematical models of latetime cosmology and the statefinder diagnostic: The present work deals with kinematical models of latetime cosmology. It is
based on purely phenomenological assumption about the deceleration parameter.
The models are confronted to observational data sets of type Ia supernovae
distance modulus m... | astro-ph_CO |
The luminosity distance-redshift relation up to second order in the
Poisson gauge with anisotropic stress: We present the generalization of previously published results, about the
perturbed redshift and the luminosity-redshift relation up to second order in
perturbation theory, for the case of the Poisson gauge and i... | astro-ph_CO |
Suzaku X-Ray Observations of the Accreting NGC 4839 Group of Galaxies
and the Radio Relic in the Coma Cluster: Based on Suzaku X-ray observations, we study the hot gas around the NGC4839
group of galaxies and the radio relic in the outskirts of the Coma cluster. We
find a gradual decline in the gas temperature from 5... | astro-ph_CO |
The Local Group as a time machine: studying the high-redshift Universe
with nearby galaxies: We infer the UV luminosities of Local Group galaxies at early cosmic times
($z \sim 2$ and $z \sim 7$) by combining stellar population synthesis modeling
with star formation histories derived from deep color-magnitude diagram... | astro-ph_CO |
The detectability of dark matter annihilation with Fermi using the
anisotropy energy spectrum of the gamma-ray background: The energy-dependence of the anisotropy (the anisotropy energy spectrum) of
the large-scale diffuse gamma-ray background can reveal the presence of
multiple source populations. Annihilating dark ... | astro-ph_CO |
Robust model comparison disfavors power law cosmology: Late-time power law expansion has been proposed as an alternative to the
standard cosmological model and shown to be consistent with some low-redshift
data. We test power law expansion against the standard flat $\Lambda$CDM
cosmology using goodness-of-fit and model... | astro-ph_CO |
A blinding solution for inference from astronomical data: This paper presents a joint blinding and deblinding strategy for inference of
physical laws from astronomical data. The strategy allows for up to three
blinding stages, where the data may be blinded, the computations of theoretical
physics may be blinded, and --... | astro-ph_CO |
Searching for Cosmic Strings in CMB Anisotropy Maps using Wavelets and
Curvelets: We use wavelet and curvelet transforms to extract signals of cosmic strings
from cosmic microwave background (CMB) temperature anisotropy maps, and to
study the limits on the cosmic string tension which various ongoing CMB
temperature a... | astro-ph_CO |
Paradigms and Scenarios for the Dark Matter Phenomenon: Well known scaling laws among the structural properties of the dark and the
luminous matter in disc systems are too complex to be arisen by two inert
components that just share the same gravitational field. This brings us to
critically focus on the 30-year-old par... | astro-ph_CO |
The Atlas3D project - X. On the origin of the molecular and ionised gas
in early-type galaxies: We make use of interferometric CO and HI observations, and optical
integral-field spectroscopy to probe the origin of the molecular and ionised
interstellar medium (ISM) in local early-type galaxies (ETGs). We find that
36... | astro-ph_CO |
The 21cm Signature of a Cosmic String Loop: Cosmic string loops lead to nonlinear baryon overdensities at early times,
even before the time which in the standard LCDM model corresponds to the time
of reionization. These overdense structures lead to signals in 21cm redshift
surveys at large redshifts. In this paper, we ... | astro-ph_CO |
Description of CRESST-III Data: In CRESST-III, 10 cryogenic detector modules optimized for low energy
thresholds were operated for almost two years (May 2016 - February 2018).
Together with this document we are publishing data from the best performing
detector module which has a nuclear recoil threshold of 30.1eV. With... | astro-ph_CO |
K2: A new method for the detection of galaxy clusters based on CFHTLS
multicolor images: We have developed a new method, K2, optimized for the detection of galaxy
clusters in multicolor images. Based on the Red Sequence approach, K2 detects
clusters using simultaneous enhancements in both colors and position. The
det... | astro-ph_CO |
Line intensity mapping: a "novel" window to the cosmic web: Intensity mapping has been attracting increasing interest as a way to study
galaxy evolution and the large scale structure of the Universe. Instead of
detecting individual galaxies, we measure the integrated emission from a volume
of the universe. Contrary to ... | astro-ph_CO |
Galaxy Distributions as Fractal Systems: This paper discusses if large scale galaxy distribution samples containing
almost one million objects can be characterized as fractal systems. The
analysis performed by Teles et al. (2021; arXiv:2012.07164) on the UltraVISTA
DR1 survey is extended here to the SPLASH and COSMOS20... | astro-ph_CO |
Renegade Subhaloes in the Local Group: Using a dark matter only Constrained Local UniversE Simulation (CLUES) we
examine the existence of subhaloes that change their affiliation from one of
the two prominent hosts in the Local Group (i.e. the Milky Way and the
Andromeda galaxy) to the other, and call these objects "ren... | astro-ph_CO |
Mid-Infrared Properties of the Swift Burst Alert Telescope Active
Galactic Nuclei Sample of the Local Universe. I. Emission-Line Diagnostics: We compare mid-infrared emission-line properties, from high-resolution
Spitzer spectra of a hard X-ray (14 -- 195 keV) selected sample of nearby (z <
0.05) AGN detected by the ... | astro-ph_CO |
Doppler boosted dust emission and CIB-galaxy cross-correlations: a new
probe of cosmology and astrophysics: We identify a new cosmological signal, the Doppler-boosted Cosmic Infrared
Background (DB-CIB), arising from the peculiar motion of the galaxies whose
thermal dust emission source the cosmic infrared background... | astro-ph_CO |
The Clustering Evolution of Primordial Black Holes: Primordial black holes might comprise a significant fraction of the dark
matter in the Universe and be responsible for the gravitational wave signals
from black hole mergers observed by the LIGO/Virgo collaboration. The spatial
clustering of primordial black holes mig... | astro-ph_CO |
A Nonminimal Coupling Model and its Short-Range Solar System Impact: The objective of this work is to present the effects of a nonminimally
coupled model of gravity on a Solar System short range regime. For this reason,
this study is only valid when the cosmological contribution is considered
irrelevant. The action fun... | astro-ph_CO |
Cosmological constraints from the tomographic cross-correlation of DESI
Luminous Red Galaxies and Planck CMB lensing: We use luminous red galaxies selected from the imaging surveys that are being
used for targeting by the Dark Energy Spectroscopic Instrument (DESI) in
combination with CMB lensing maps from the Planck... | astro-ph_CO |
Dark energy with rigid voids versus relativistic voids alone: The standard model of cosmology is dominated - at the present epoch - by dark
energy. Its voids are rigid and Newtonian within a relativistic background. The
model prevents them from becoming hyperbolic. Observations of rapid velocity
flows out of voids are ... | astro-ph_CO |
Breaking the self-averaging properties of spatial galaxy fluctuations in
the Sloan Digital Sky Survey - Data Release Six: Statistical analyses of finite sample distributions usually assume that
fluctuations are self-averaging, i.e. that they are statistically similar in
different regions of the given sample volume. B... | astro-ph_CO |
MASSIV: Mass Assembly Survey with SINFONI in VVDS. IV. Fundamental
relations of star-forming galaxies at 1<z< 1.6: How mass assembly occurs in galaxies and which process(es) contribute to this
activity are among the most highly debated questions in galaxy formation
theories. This has motivated our survey MASSIV of 0.... | astro-ph_CO |
Galaxy Zoo 2: detailed morphological classifications for 304,122
galaxies from the Sloan Digital Sky Survey: We present the data release for Galaxy Zoo 2 (GZ2), a citizen science project
with more than 16 million morphological classifications of 304,122 galaxies
drawn from the Sloan Digital Sky Survey. Morphology is ... | astro-ph_CO |
Combining cluster observables and stacked weak lensing to probe dark
energy: Self-calibration of systematic uncertainties: We develop a new method of combining cluster observables (number counts and
cluster-cluster correlation functions) and stacked weak lensing signals of
background galaxy shapes, both of which are ... | astro-ph_CO |
Observational Constraints on Warm Inflation in Loop Quantum Cosmology: By incorporating quantum aspects of gravity, Loop Quantum Cosmology (LQC)
provides a self-consistent extension of the inflationary scenario, allowing for
modifications in the primordial inflationary power spectrum with respect to the
standard Genera... | astro-ph_CO |
A limit on Planck-scale froth with ESPRESSO: Some models of quantum gravity predict that the very structure of spacetime
is `frothy' due to quantum fluctuations. Although the effect is expected to be
tiny, if these spacetime fluctuations grow over a large distance, the initial
state of a photon, such as its energy, is ... | astro-ph_CO |
Galaxies in LCDM with Halo Abundance Matching: luminosity-velocity
relation, baryonic mass-velocity relation, velocity function and clustering: It has long been regarded as difficult for a cosmological model to account
simultaneously for the galaxy luminosity, mass, and velocity distributions. We
revisit this issue u... | astro-ph_CO |
Galaxy Kinematics and Mass Calibration in Massive SZE Selected Galaxy
Clusters to z=1.3: The galaxy phase-space distribution in galaxy clusters provides insights into
the formation and evolution of cluster galaxies, and it can also be used to
measure cluster mass profiles. We present a dynamical study based on $\sim$... | astro-ph_CO |
The squeezed matter bispectrum covariance with responses: We present a calculation of the angle-averaged squeezed matter bispectrum
covariance ${\rm Cov}\left(B_{m}(k_1, k_1', s_1), B_{m}(k_2, k_2',
s_2)\right)$, $s_i \ll k_i,k_i'$ ($i=1,2$), that uses matter power spectrum
responses to describe the coupling of large- ... | astro-ph_CO |
Neural network reconstructions for the Hubble parameter, growth rate and
distance modulus: This paper introduces a new approach to reconstruct cosmological functions
using artificial neural networks based on observational measurements with
minimal theoretical and statistical assumptions. By using neural networks, we
... | astro-ph_CO |
Constraining Dark Matter-Baryon Scattering with Linear Cosmology: We derive constraints on elastic scattering between baryons and dark matter
using the cosmic microwave background (CMB) data from the Planck satellite and
the Lyman-alpha forest data from the Sloan Digital Sky Survey. Elastic
scattering allows baryons an... | astro-ph_CO |
3D spectroscopy of merger Seyfert galaxy Mrk 334: nuclear starburst,
superwind and the circumnuclear cavern: We are presenting new results on kinematics and structure of the Mrk 334
Seyfert galaxy. Panoramic (3D) spectroscopy is performed at the 6-m telescope
of the Special Astrophysical Observatory of the Russian Ac... | astro-ph_CO |
Computing First-Passage Times with the Functional Renormalisation Group: We use Functional Renormalisation Group (FRG) techniques to analyse the
behaviour of a spectator field, $\sigma$, during inflation that obeys an
overdamped Langevin equation. We briefly review how a derivative expansion of
the FRG can be used to o... | astro-ph_CO |
XMM-Newton RGS observation of the warm absorber in Mrk 279: The Seyfert 1 galaxy Mrk 279 was observed by XMM-Newton in November 2005 in
three consecutive orbits, showing significant short-scale variability (average
soft band variation in flux ~20%). The source is known to host a two-component
warm absorber with distinc... | astro-ph_CO |
The Greater Impact of Mergers on the Growth of Massive Galaxies:
Implications for Mass Assembly and Evolution Since z~1: Using deep infrared observations conducted with the MOIRCS on the Subaru
Telescope in GOODS-N combined with public surveys in GOODS-S, we investigate
the dependence on stellar mass, M_*, and galaxy... | astro-ph_CO |
The Population of Viscosity- and Gravitational Wave-Driven Supermassive
Black Hole Binaries Among Luminous AGN: Supermassive black hole binaries (SMBHBs) in galactic nuclei are thought to
be a common by-product of major galaxy mergers. We use simple disk models for
the circumbinary gas and for the binary-disk interac... | astro-ph_CO |
Evolution of magnetic fields in galaxies in the frame of hierarchical
structure formation cosmology: future tests with the SKA: Results from simulations of hierarchical structure formation cosmology
provide a tool to develop an evolutionary model of regular magnetic fields
coupled to galaxy formation and evolution. W... | astro-ph_CO |
Stacking catalog sources in WMAP data: We stack WMAP 7-year temperature data around extragalactic point sources,
showing that the profiles are consistent with WMAP's beam models, in
disagreement with the findings of Sawangwit & Shanks (2010). These results
require that the source sample's selection is not biased by CMB... | astro-ph_CO |
Models of Stephan's Quintet: Hydrodynamic Constraints on the Group's
Evolution: We present smoothed particle hydrodynamic models of the interactions in the
compact galaxy group, Stephan's Quintet. This work is extension of the earlier
collisionless N-body simulations of Renaud et al. in which the large-scale
stellar ... | astro-ph_CO |
Efficient self-resonance instability from axions: It was recently shown that a coherent oscillation of an axion can cause an
efficient parametric resonance, leading to a prominent emission of the
gravitational waves (GWs). In this paper, conducting the Floquet analysis, we
investigate the parametric resonance instabili... | astro-ph_CO |
Molecular gas mass functions of normal star forming galaxies since z~3: We use deep far-infrared data from the PEP/GOODS-Herschel surveys and rest
frame ultraviolet photometry to study the evolution of the molecular gas mass
function of normal star forming galaxies. Computing the molecular gas mass,
M(mol), by scaling ... | astro-ph_CO |
The XMM-LSS catalogue: X-ray sources and associated multiwavelength
data. Version II: We present the final release of the multi-wavelength XMM-LSS data
set,covering the full survey area of 11.1 square degrees, with X-ray data
processed with the latest XMM-LSS pipeline version. The present publication
supersedes the P... | astro-ph_CO |
Beyond Assembly Bias: Exploring Secondary Halo Biases for Cluster-size
Haloes: Secondary halo bias, commonly known as 'assembly bias,' is the dependence of
halo clustering on a halo property other than mass. This prediction of the
Lambda-Cold Dark Matter cosmology is essential to modelling the galaxy
distribution to ... | astro-ph_CO |
Photodissociation of H2 in Protogalaxies: Modeling Self-Shielding in 3D
Simulations: The ability of primordial gas to cool in proto-galactic haloes exposed to
Lyman-Werner (LW) radiation is critically dependent on the self-shielding of
H_2. We perform radiative transfer calculations of LW line photons,
post-processin... | astro-ph_CO |
H0LiCOW XII. Lens mass model of WFI2033-4723 and blind measurement of
its time-delay distance and $H_0$: We present the lens mass model of the quadruply-imaged gravitationally lensed
quasar WFI2033-4723, and perform a blind cosmographical analysis based on this
system. Our analysis combines (1) time-delay measurement... | astro-ph_CO |
Detecting Damped Lyman-$α$ Absorbers with Gaussian Processes: We develop an automated technique for detecting damped Lyman-$\alpha$
absorbers (DLAs) along spectroscopic lines of sight to quasi-stellar objects
(QSOs or quasars). The detection of DLAs in large-scale spectroscopic surveys
such as SDSS-III sheds light on g... | astro-ph_CO |
The Atlas3D project -- I. A volume-limited sample of 260 nearby
early-type galaxies: science goals and selection criteria: The Atlas3D project is a multi-wavelength survey combined with a theoretical
modeling effort. The observations span from the radio to the millimeter and
optical, and provide multi-colour imaging,... | astro-ph_CO |
Beauty is Distractive: Particle production during multifield inflation: We consider a two-dimensional model of inflation, where the inflationary
trajectory is "deformed" by a grazing encounter with an Extra Species/Symmetry
Point (ESP) after the observable cosmological scales have left the Hubble
radius. The encounter ... | astro-ph_CO |
Detectability of 21cm-signal during the Epoch of Reionization with
21cm-Lyman-α emitter cross-correlation. II. Foreground contamination: Cross-correlation between the redshifted 21 cm signal and Lyman-{\alpha}
emitters (LAEs) is powerful tool to probe the Epoch of Reionization (EoR).
Although the cross-power spectrum... | astro-ph_CO |
The Kolmogorov-Smirnov test for the CMB: We investigate the statistics of the cosmic microwave background using the
Kolmogorov-Smirnov test. We show that, when we correctly de-correlate the data,
the partition function of the Kolmogorov stochasticity parameter is compatible
with the Kolmogorov distribution and, contrar... | astro-ph_CO |
Primordial blackholes and gravitational waves for an inflection-point
model of inflation: In this article we provide a new closed relationship between cosmic abundance
of primordial gravitational waves and primordial blackholes originated from
initial inflationary perturbations for inflection-point models of inflatio... | astro-ph_CO |
4MOST Consortium Survey 8: Cosmology Redshift Survey (CRS): The 4MOST Cosmology Redshift Survey (CRS) will perform stringent cosmological
tests via spectroscopic clustering measurements that will complement the best
lensing, cosmic microwave background and other surveys in the southern
hemisphere. The combination of ca... | astro-ph_CO |
The NEWFIRM Medium-band Survey: Photometric Catalogs, Redshifts and the
Bimodal Color Distribution of Galaxies out to z~3: We present deep near-infrared (NIR) medium-bandwidth photometry over the
wavelength range 1-1.8 microns in the All-wavelength Extended Groth strip
International Survey (AEGIS) and Cosmic Evolutio... | astro-ph_CO |
Ricci focusing, shearing, and the expansion rate in an almost
homogeneous Universe: The Universe is inhomogeneous, and yet it seems to be incredibly
well-characterised by a homogeneous relativistic model. One of the current
challenges is to accurately characterise the properties of such a model. In
this paper we expl... | astro-ph_CO |
The stellar-to-halo mass relation for Local Group galaxies: We contend that a single power law halo mass distribution is appropriate for
direct matching to the stellar masses of observed Local Group dwarf galaxies,
allowing the determination of the slope of the stellar mass-halo mass relation
for low mass galaxies. Err... | astro-ph_CO |
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