Search Results - "Zentner, Andrew R"
-
1
Beyond assembly bias: exploring secondary halo biases for cluster-size haloes
Published in Monthly notices of the Royal Astronomical Society (01-03-2018)“…Abstract Secondary halo bias, commonly known as ‘assembly bias’, is the dependence of halo clustering on a halo property other than mass. This prediction of…”
Get full text
Journal Article -
2
The clustering of DESI-like luminous red galaxies using photometric redshifts
Published in Monthly notices of the Royal Astronomical Society (01-03-2021)“…ABSTRACT We present measurements of the redshift-dependent clustering of a DESI-like luminous red galaxy (LRG) sample selected from the Legacy Survey imaging…”
Get full text
Journal Article -
3
Galaxy assembly bias: a significant source of systematic error in the galaxy–halo relationship
Published in Monthly notices of the Royal Astronomical Society (01-10-2014)“…Methods that exploit galaxy clustering to constrain the galaxy–halo relationship, such as the halo occupation distribution (HOD) and conditional luminosity…”
Get full text
Journal Article -
4
Accounting for baryonic effects in cosmic shear tomography: determining a minimal set of nuisance parameters using PCA
Published in Monthly notices of the Royal Astronomical Society (11-12-2015)“…Systematic uncertainties that have been subdominant in past large-scale structure (LSS) surveys are likely to exceed statistical uncertainties of current and…”
Get full text
Journal Article -
5
Updated results on the galaxy–halo connection from satellite kinematics in SDSS
Published in Monthly notices of the Royal Astronomical Society (11-08-2019)“…ABSTRACT We present new results on the relationship between central galaxies and dark matter haloes inferred from observations of galaxy abundances and…”
Get full text
Journal Article -
6
Effects of Baryons and Dissipation on the Matter Power Spectrum
Published in The Astrophysical journal (01-01-2008)“…We study the importance of baryonic physics on predictions of the matter power spectrum as it is relevant for forthcoming weak-lensing surveys. We quantify the…”
Get full text
Journal Article -
7
Predictably missing satellites: subhalo abundances in Milky Way-like haloes
Published in Monthly notices of the Royal Astronomical Society (01-07-2019)“…ABSTRACT On small scales there have been a number of claims of discrepancies between the standard cold dark matter (CDM) model and observations. The ‘missing…”
Get full text
Journal Article -
8
Cosmological simulations of decaying dark matter: implications for small-scale structure of dark matter haloes
Published in Monthly notices of the Royal Astronomical Society (21-11-2014)“…We present a set of N-body simulations of a class of models in which an unstable dark matter particle decays into a stable dark matter particle and a…”
Get full text
Journal Article -
9
Shredded Galaxies as the Source of Diffuse Intrahalo Light on Varying Scales
Published in The Astrophysical journal (01-09-2007)“…We make predictions for diffuse stellar mass fractions in dark matter halos from the scales of small spiral galaxies to those of large galaxy clusters. We use…”
Get full text
Journal Article -
10
The Dependence of Halo Clustering on Halo Formation History, Concentration, and Occupation
Published in The Astrophysical journal (20-11-2006)“…We investigate the dependence of dark matter halo clustering on halo formation time, density profile concentration, and subhalo occupation number, using…”
Get full text
Journal Article -
11
Cold Dark Matter Substructure and Galactic Disks. II. Dynamical Effects of Hierarchical Satellite Accretion
Published in The Astrophysical journal (01-08-2009)Get full text
Journal Article -
12
Cold Dark Matter Substructure and Galactic Disks. I. Morphological Signatures of Hierarchical Satellite Accretion
Published in The Astrophysical journal (20-11-2008)“…We conduct dissipationless N-body simulations to investigate the cumulative effect of substructure impacts onto thin disk galaxies in the context of the Lambda…”
Get full text
Journal Article -
13
Basilisk: Bayesian hierarchical inference of the galaxy–halo connection using satellite kinematics – I. Method and validation
Published in Monthly notices of the Royal Astronomical Society (01-10-2019)“…ABSTRACT We present a Bayesian hierarchical inference formalism (Basilisk) to constrain the galaxy–halo connection using satellite kinematics. Unlike…”
Get full text
Journal Article -
14
Merger Histories of Galaxy Halos and Implications for Disk Survival
Published in The Astrophysical journal (20-08-2008)“…We study the merger histories of galaxy dark matter halos using a high- resolution Lambda CDM N-body simulation. Our merger trees follow [image]17,000 halos…”
Get full text
Journal Article -
15
Effects of unstable dark matter on large-scale structure and constraints from future surveys
Published in Physical review. D, Particles, fields, gravitation, and cosmology (14-02-2012)“…In this paper we explore the effect of decaying dark matter (DDM) on large-scale structure and possible constraints from galaxy imaging surveys. DDM models…”
Get full text
Journal Article -
16
The DESI One-percent Survey: Evidence for Assembly Bias from Low-redshift Counts-in-cylinders Measurements
Published in The Astrophysical journal (01-03-2024)“…Abstract We explore the galaxy-halo connection information that is available in low-redshift samples from the early data release of the Dark Energy…”
Get full text
Journal Article -
17
The Anisotropic Distribution of Galactic Satellites
Published in The Astrophysical journal (10-08-2005)“…We present a study of the spatial distribution of dwarf satellites (or subhalos) in galactic dark matter halos using dissipationless cosmological simulations…”
Get full text
Journal Article -
18
The Physics of Galaxy Clustering. I. A Model for Subhalo Populations
Published in The Astrophysical journal (10-05-2005)“…We present a semianalytic model for cold dark matter halo substructure that can be used as a framework for studying the physics of galaxy formation and as an…”
Get full text
Journal Article -
19
The Effect of Gas Cooling on the Shapes of Dark Matter Halos
Published in The Astrophysical journal (20-08-2004)Get full text
Journal Article -
20
Introducing decorated HODs: modelling assembly bias in the galaxy–halo connection
Published in Monthly notices of the Royal Astronomical Society (11-08-2016)“…The connection between galaxies and dark matter haloes is often inferred from data using probabilistic models, such as the halo occupation distribution (HOD)…”
Get full text
Journal Article