Search Results - "Adhikari, Susmita"
-
1
Signatures of Velocity-dependent Dark Matter Self-interactions in Milky Way-mass Halos
Published in The Astrophysical journal (01-06-2020)“…We explore the impact of elastic, anisotropic, velocity-dependent dark matter (DM) self-interactions on the host halo and subhalos of Milky Way (MW)-mass…”
Get full text
Journal Article -
2
The Halo Boundary of Galaxy Clusters in the SDSS
Published in The Astrophysical journal (20-05-2017)“…Analytical models and simulations predict a rapid decline in the halo density profile associated with the transition from the "infalling" regime outside the…”
Get full text
Journal Article -
3
Inferring Host-galaxy Properties of LIGO–Virgo–KAGRA’s Black Holes
Published in The Astrophysical journal (01-09-2024)“…Abstract Observations of gravitational waves from binary black hole (BBH) mergers have measured the redshift evolution of the BBH merger rate. The number…”
Get full text
Journal Article -
4
The Binary-Host Connection: Astrophysics of Gravitational-Wave Binaries from Host Galaxy Properties
Published in The Astrophysical journal (01-12-2020)“…Gravitational waves from the merger of binary neutron stars (BNSs) are accompanied by electromagnetic counterparts, making it possible to identify the…”
Get full text
Journal Article -
5
The Signatures of Self-interacting Dark Matter and Subhalo Disruption on Cluster Substructure
Published in The Astrophysical journal (01-06-2022)“…Abstract The abundance, distribution, and inner structure of satellites of galaxy clusters can be sensitive probes of the properties of dark matter. We run 30…”
Get full text
Journal Article -
6
Symphony: Cosmological Zoom-in Simulation Suites over Four Decades of Host Halo Mass
Published in The Astrophysical journal (01-03-2023)“…Abstract We present Symphony, a compilation of 262 cosmological, cold-dark-matter-only zoom-in simulations spanning four decades of host halo mass, from 10 11…”
Get full text
Journal Article -
7
Buzzard to Cardinal: Improved Mock Catalogs for Large Galaxy Surveys
Published in The Astrophysical journal (01-01-2024)“…Abstract We present the Cardinal mock galaxy catalogs, a new version of the Buzzard simulation that has been updated to support ongoing and future cosmological…”
Get full text
Journal Article -
8
The Effect of Splashback on Weak Lensing Mass Estimates of Galaxy Clusters and Groups
Published in The open journal of astrophysics (25-05-2023)Get full text
Journal Article -
9
The abundance of core-collapsed subhaloes in SIDM: insights from structure formation in ΛCDM
Published in Monthly notices of the Royal Astronomical Society (23-03-2024)“…ABSTRACT Dark matter haloes enter a phase of gravothermal core-collapse in the presence of self-interactions. This phase is expected to be subdominant given…”
Get full text
Journal Article -
10
How accurately can we detect the splashback radius of dark matter haloes and its correlation with accretion rate?
Published in Monthly notices of the Royal Astronomical Society (01-12-2020)“…ABSTRACT The splashback radius (Rsp) of dark matter haloes has recently been detected using weak gravitational lensing and cross-correlations with galaxies…”
Get full text
Journal Article -
11
Accurate model of the projected velocity distribution of galaxies in dark matter haloes
Published in Monthly notices of the Royal Astronomical Society (01-05-2023)“…ABSTRACT We present a per cent-level accurate model of the line-of-sight velocity distribution of galaxies around dark matter haloes as a function of projected…”
Get full text
Journal Article -
12
Accurate model of the projected velocity distribution of galaxies in dark matter haloes
Published in Monthly notices of the Royal Astronomical Society (23-03-2023)“…ABSTRACT We present a per cent-level accurate model of the line-of-sight velocity distribution of galaxies around dark matter haloes as a function of projected…”
Get full text
Journal Article -
13
Connecting galaxy evolution in clusters with their radial profiles and phase space distribution: results from the IllustrisTNG hydrodynamical simulations
Published in Monthly notices of the Royal Astronomical Society (07-04-2022)“…ABSTRACT We study the population of galaxies around galaxy clusters in the hydrodynamic simulation suite IllustrisTNG 300-1 to study the signatures of their…”
Get full text
Journal Article -
14
Kinematics of Cluster Galaxies and Their Relation to Galaxy Evolution
Published in The Astrophysical journal (10-06-2019)“…We study the kinematics of galaxies within massive clusters, as a probe of the physics of star formation quenching within clusters. Using N-body simulations,…”
Get full text
Journal Article -
15
Insights into the origin of halo mass profiles from machine learning
Published in Monthly notices of the Royal Astronomical Society (28-07-2022)“…ABSTRACT The mass distribution of dark matter haloes is the result of the hierarchical growth of initial density perturbations through mass accretion and…”
Get full text
Journal Article -
16
Shocks in the stacked Sunyaev–Zel’dovich profiles of clusters – I. Analysis with the Three Hundred simulations
Published in Monthly notices of the Royal Astronomical Society (01-12-2021)“…ABSTRACT Gas infalling into the gravitational potential wells of massive galaxy clusters is expected to experience one or more shocks on its journey to…”
Get full text
Journal Article -
17
A better way to define dark matter haloes
Published in Monthly notices of the Royal Astronomical Society (01-05-2023)“…ABSTRACT Dark matter haloes have long been recognized as one of the fundamental building blocks of large-scale structure formation models. Despite their…”
Get full text
Journal Article -
18
A better way to define dark matter haloes
Published in Monthly notices of the Royal Astronomical Society (03-03-2023)“…ABSTRACT Dark matter haloes have long been recognized as one of the fundamental building blocks of large-scale structure formation models. Despite their…”
Get full text
Journal Article -
19
UniverseMachine: Predicting Galaxy Star Formation over Seven Decades of Halo Mass with Zoom-in Simulations
Published in The Astrophysical journal (01-07-2021)“…Abstract We apply the empirical galaxy–halo connection model UniverseMachine to dark-matter-only zoom-in simulations of isolated Milky Way (MW)–mass halos,…”
Get full text
Journal Article -
20
Connecting galaxy evolution in clusters with their radial profiles and phase space distribution: results from the IllustrisTNG hydrodynamical simulations
Published in Monthly notices of the Royal Astronomical Society (12-02-2022)“…We study the population of galaxies around galaxy clusters in the hydrodynamic simulation suite IllustrisTNG 300-1 to study the signatures of their…”
Get full text
Journal Article