English
Related papers

Related papers: Hierarchical Galaxy Growth and Scatter in the Stel…

200 papers

We predict the stellar mass -- halo mass (SMHM) relationship for dwarf galaxies, using simulated galaxies with peak halo masses of M$_{\rm peak} = 10^{11}$ M$_{\odot}$ down into the ultra-faint dwarf range to M$_{\rm peak} =$ 10$^7$…

Astrophysics of Galaxies · Physics 2021-12-15 Ferah Munshi , Alyson Brooks , Elaad Applebaum , Charlotte Christensen , Jordan P. Sligh , T. Quinn

We predict the stellar mass-halo mass (SMHM) relationship for dwarf galaxies and their satellites residing in halos down to M$_{halo} =$ 10$^7$ M$_{\odot}$ with 10$^4$ M$_{\odot} <$ M$_{star}$($z=0$) $< 10^8$ M$_{\odot}$, and quantify the…

Astrophysics of Galaxies · Physics 2022-02-16 Ferah Munshi , Alyson M. Brooks , Elaad Applebaum , Daniel R. Weisz , Fabio Governato , Thomas R. Quinn

Properties of galaxies vary systematically with the mass of their parent dark matter halos. This basic galaxy - halo connection shows a fair amount of scatter whose origin is not fully understood. Here, we study how differences in the halo…

Astrophysics of Galaxies · Physics 2019-01-29 Robert Feldmann , Claude-André Faucher-Giguère , Dušan Kereš

We use Local Group galaxy counts together with the ELVIS N-body simulations to explore the relationship between the scatter and slope in the stellar mass vs. halo mass relation at low masses, $M_\star \simeq 10^5 - 10^8 M_\odot$. Assuming…

Astrophysics of Galaxies · Physics 2016-12-07 Shea Garrison-Kimmel , James S. Bullock , Michael Boylan-Kolchin , Emma Bardwell

Most galaxies are hosted by massive, invisible dark matter haloes, yet little is known about the scatter in the stellar mass--halo mass relation for galaxies with host halo masses $M_{h}\le 10^{11}M_{\odot}$. Using mock catalogues based on…

Astrophysics of Galaxies · Physics 2019-08-14 Magdelena Allen , Peter Behroozi , Chung-Pei Ma

We present a photometric halo mass estimation technique for local galaxies that enables us to establish the stellar mass-halo mass (SMHM) relation down to stellar masses of 10$^5$ M$_\odot$. We find no detectable differences among the SMHM…

Astrophysics of Galaxies · Physics 2022-12-21 Dennis Zaritsky , Peter Behroozi

We use the scatter in the stellar-to-halo mass relation to constrain galaxy evolution models. If the efficiency of converting accreted baryons into stars varies with time, halos of the same present-day mass but different formation histories…

Astrophysics of Galaxies · Physics 2017-03-22 Jeremy L Tinker

We conduct a comprehensive analysis of the relationship between central galaxies and their host dark matter halos, as characterized by the stellar mass-halo mass (SM-HM) relation, with rigorous consideration of uncertainties. Our analysis…

Cosmology and Nongalactic Astrophysics · Physics 2010-06-15 Peter S. Behroozi , Charlie Conroy , Risa H. Wechsler

We use a hybrid observational/theoretical approach to study the relation between galaxy kinematics and the derived stellar and halo masses of galaxies up to z=3 as a function of stellar mass, redshift and morphology. Our observational…

Astrophysics of Galaxies · Physics 2018-08-15 Christopher J. Conselice , Jonathan W. Twite , David P. Palamara , William Hartley

Stellar mass has been shown to correlate with halo mass, with non-negligible scatter. The stellar mass-size and luminosity-size relationships of galaxies also show significant scatter in galaxy size at fixed stellar mass. It is possible…

Astrophysics of Galaxies · Physics 2017-10-11 Paul J. L. Charlton , Michael J. Hudson , Michael L. Balogh , Sumeet Khatri

A large variance exists in the amplitude of the Stellar Mass - Halo Mass (SMHM) relation for group and cluster-size halos. Using a sample of 254 clusters, we show that the magnitude gap between the brightest central galaxy (BCG) and its…

Astrophysics of Galaxies · Physics 2018-06-13 Jesse B. Golden-Marx , Christopher J. Miller

We use the hydrodynamical EAGLE simulation to study the magnitude and origin of the scatter in the stellar mass - halo mass relation for central galaxies. We separate cause and effect by correlating stellar masses in the baryonic simulation…

Astrophysics of Galaxies · Physics 2017-01-18 Jorryt Matthee , Joop Schaye , Robert A. Crain , Matthieu Schaller , Richard Bower , Tom Theuns

The stellar-to-halo mass relation (SHMR) is a fundamental relationship between galaxies and their host dark matter haloes. In this study, we examine the scatter in this relation for primary galaxies in the semi-analytic L-Galaxies model and…

Astrophysics of Galaxies · Physics 2024-05-27 Wenxiang Pei , Qi Guo , Shi Shao , Yi He , Qing Gu

Empirical studies of the relationship between baryonic matter in galaxies and the gravitational potential of their host halos are important to constrain our theoretical framework for galaxy formation and evolution. One such relation,…

Astrophysics of Galaxies · Physics 2024-04-04 Manasvee Saraf , Luca Cortese , O. Ivy Wong , Barbara Catinella , Steven Janowiecki , Jennifer A. Hardwick

We investigate the origin of the scatter in the stellar mass-halo mass (SMHM) relation using the \colibre cosmological hydrodynamical simulations. At fixed halo mass, we find a clear positive correlation between stellar mass and halo…

Supermassive black holes (SMBHs) are tightly correlated with their hosts but the origin of such connection remains elusive. To explore the cosmic build-up of this scaling relation, we present an empirically-motivated model that tracks…

The physically motivated definition of galaxy size proposed recently, linked to the farther location of the in situ star formation, considerably reduces the scatter of the galaxy mass-size relation and provides a viable method to infer the…

Astrophysics of Galaxies · Physics 2025-12-19 Claudio Dalla Vecchia , Ignacio Trujillo

Galaxy sizes correlate closely with the sizes of their parent dark matter haloes, suggesting a link between halo formation and galaxy growth. However, the precise nature of this relation and its scatter remains to be understood fully,…

The stellar content of galaxies is tightly connected to the mass and growth of their host dark matter halos. Observational constraints on this relation remain limited, particularly for low-mass groups, leaving uncertainties in how galaxies…

Observations have revealed that the star formation rate (SFR) and stellar mass (M$_{\rm star}$) of star-forming galaxies follow a tight relation known as the galaxy main sequence. However, what physical information is encoded in this…

Astrophysics of Galaxies · Physics 2019-01-16 Jorryt Matthee , Joop Schaye
‹ Prev 1 2 3 10 Next ›