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Related papers: The Galactic disk mass-budget : I. stellar mass-fu…

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We have determined stellar mass functions of 120 Milky Way globular clusters and massive LMC/SMC star clusters based on a comparison of archival Hubble Space Telescope photometry with a large grid of direct N-body simulations. We find a…

Astrophysics of Galaxies · Physics 2023-05-03 Holger Baumgardt , Vincent Henault-Brunet , Nolan Dickson , Antonio Sollima

We build on a recent photometric decomposition analysis of 7506 Galaxy and Mass Assembly (GAMA) survey galaxies to derive stellar mass function fits to individual spheroid and disk component populations down to a lower mass limit of…

We consider the dynamical evolution of a disk of stars orbiting a central black hole. In particular, we focus on the effect of the stellar mass function on the evolution of the disk, using both analytic arguments and numerical simulations.…

Astrophysics · Physics 2011-02-11 R. D. Alexander , M. C. Begelman , P. J. Armitage

Here we explore the evolution of galaxy ensembles at early times by writing the in situ stellar mass growth of galaxies purely as a stationary stochastic (e.g., quasi-steady state) process. By combining the mathematics of such processes…

Astrophysics of Galaxies · Physics 2016-10-24 Daniel D. Kelson , Andrew J. Benson , Louis E. Abramson

We present an estimate of the galaxy stellar mass function and its division by morphological type in the local (0.025 < z < 0.06) Universe. Adopting robust morphological classifications as previously presented (Kelvin et al.) for a sample…

We present an empirical method to measure the halo mass function (HMF) of galaxies. We determine the relation between the \hi\ line-width from single-dish observations and the dark matter halo mass ($M_{200}$) inferred from rotation curve…

Astrophysics of Galaxies · Physics 2020-01-08 Pengfei Li , Federico Lelli , Stacy McGaugh , Marcel S. Pawlowski , Martin A. Zwaan , James Schombert

We quantify the systematic effects on the stellar mass function which arise from assumptions about the stellar population, as well as how one fits the light profiles of the most luminous galaxies at z ~ 0.1. When comparing results from the…

Astrophysics of Galaxies · Physics 2017-03-01 M. Bernardi , A. Meert , R. K. Sheth , J. -L. Fischer , M. Huertas-Company , C. Maraston , F. Shankar , V. Vikram

I use a sample of more than 120,000 stars in the solar neighbourhood with parallaxes, magnitudes and colours estimated with unprecedented accuracy by the second data release of the Gaia mission to derive the initial mass function of the…

Astrophysics of Galaxies · Physics 2019-09-25 A. Sollima

We study relation between stellar mass and halo mass for high-mass halos using a sample of galaxy clusters with accurate measurements of stellar masses from optical and IR data and total masses from X-ray observations. We find that stellar…

Cosmology and Nongalactic Astrophysics · Physics 2018-02-21 Andrey Kravtsov , Alexey Vikhlinin , Alexander Meshscheryakov

We estimate the baryonic (stellar+cold gas) mass function of galaxies in the local Universe by assigning a complete sample of Two Micron All Sky Survey and Sloan Digital Sky Survey galaxies a gas fraction based on a statistical sample of…

Astrophysics · Physics 2009-11-07 Eric F. Bell , Daniel H. McIntosh , Neal Katz , Martin D. Weinberg

We characterize stellar, gas, and dark matter mass distributions for 17 nearby massive disk galaxies from the PHANGS sample. This allows us to compute the gravitational potential that vertically confines the interstellar gas and determines…

[Abridged] We present the evolution of the stellar mass function (SMF) of galaxies from z=4.0 to z=1.3 measured from a sample constructed from the deep NIR MUSYC, the FIRES, and the GOODS-CDFS surveys, all having very high-quality optical…

Using a combined and consistently analysed GAMA, G10-COSMOS, and 3D-HST dataset we explore the evolution of the galaxy stellar-mass function over lookback times $t_{\rm L} \in \left[0.2,12.5\right] {\rm h^{-1}_{70} Gyr}$. We use a series of…

Astrophysics of Galaxies · Physics 2018-08-07 Angus H. Wright , Simon P. Driver , Aaron S. G. Robotham

The goal of this work is to measure the evolution of the Galaxy Stellar Mass Function and of the resulting Stellar Mass Density up to redshift ~4, in order to study the assembly of massive galaxies in the high redshift Universe. We have…

We study the evolution in the number density of the highest mass galaxies over $0.4<z<1.5$ (covering 9 Gyr). We use the Spitzer/HETDEX Exploratory Large-Area (SHELA) Survey, which covers 17.5 $\mathrm{deg}^2$ with eight photometric bands…

The galaxy stellar mass function (GSMF) at high-z provides key information on star-formation history and mass assembly in the young Universe. We aimed to use the unique combination of deep optical/NIR/MIR imaging provided by HST, Spitzer…

We study the stellar mass distribution for galaxies in 160 X-ray detected groups of 10^13<Log(M_200/M_sun)<2x10^14 and compare it with that of galaxies in the field, to investigate the action of environment on the build up of the stellar…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 S. Giodini , A. Finoguenov , D. Pierini , G. Zamorani , O. Ilbert , S. Lilly , Y. Peng , N. Scoville , M. Tanaka

We study the galaxy stellar mass function in different environments in the local Universe, considering both the total mass function and that of individual galaxy morphological types. We compare the mass functions of galaxies with $\rm…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 Rosa Calvi , Bianca M. Poggianti , Benedetta Vulcani , Giovanni Fasano

We derive a semi-empirical galactic initial mass function (IMF) from observational constraints. We assume that the star formation rate in a galaxy can be expressed as the product of the IMF, $\psi (m)$, which is a smooth function of mass…

Astrophysics of Galaxies · Physics 2015-05-20 Antonio Parravano , Christopher F. McKee , David J. Hollenbach

There has been a long-standing factor-of-two tension between the observed star formation rate density and the observed stellar mass buildup after $z\sim2$. Recently we have proposed that sophisticated panchromatic SED models can resolve…

Astrophysics of Galaxies · Physics 2020-04-29 Joel Leja , Joshua S. Speagle , Benjamin D. Johnson , Charlie Conroy , Pieter van Dokkum , Marijn Franx