The massive relic galaxy NGC 1277 is dark matter deficient-From dynamical models of integral-field stellar kinematics out to five effective radii

S Comerón, I Trujillo, M Cappellari, F Buitrago… - Astronomy & …, 2023 - aanda.org
According to the Λ cold dark matter (ΛCDM) cosmology, present-day galaxies with stellar
masses M⋆> 10 11 M⊙ should contain a sizable fraction of dark matter within their stellar …

The stellar initial mass function in early-type galaxies from absorption line spectroscopy. III. Radial gradients

P Van Dokkum, C Conroy, A Villaume… - The Astrophysical …, 2017 - iopscience.iop.org
There is good evidence that the centers of massive early-type galaxies have a bottom-heavy
stellar initial mass function (IMF) compared to that of the Milky Way. Here we study the radial …

Black hole mass scaling relations for early-type galaxies. I. MBH–M*, sph and MBH–M*, gal

N Sahu, AW Graham, BL Davis - The Astrophysical Journal, 2019 - iopscience.iop.org
Analyzing a sample of 84 early-type galaxies (ETGs) with directly measured supermassive
black hole masses—nearly doubling the sample size of such galaxies with multicomponent …

The dawes review 8: measuring the stellar initial mass function

AM Hopkins - Publications of the Astronomical Society of Australia, 2018 - cambridge.org
The birth of stars and the formation of galaxies are cornerstones of modern astrophysics.
While much is known about how galaxies globally and their stars individually form and …

IMF–metallicity: a tight local relation revealed by the CALIFA survey

I Martín-Navarro, A Vazdekis… - The Astrophysical …, 2015 - iopscience.iop.org
Variations in the stellar initial mass function (IMF) have been invoked to explain the
spectroscopic and dynamical properties of early-type galaxies (ETGs). However, no …

MUSE observations of M87: radial gradients for the stellar initial-mass function and the abundance of sodium

M Sarzi, C Spiniello, F La Barbera… - Monthly Notices of …, 2018 - academic.oup.com
ABSTRACT Based on Multi-Unit Spectroscopic Explorer (MUSE) integral-field data we
present evidence for a radial variation at the low-mass end of the stellar initial-mass function …

Radial constraints on the initial mass function from TiO features and Wing–Ford band in early-type galaxies

F La Barbera, A Vazdekis, I Ferreras… - Monthly Notices of …, 2016 - academic.oup.com
At present, the main challenge to the interpretation of variations in gravity-sensitive line
strengths as driven by a non-universal initial mass function (IMF) lies in understanding the …

The stellar initial mass function in early-type galaxies from absorption line spectroscopy. IV. A super-Salpeter IMF in the center of NGC 1407 from non-parametric …

C Conroy, PG Van Dokkum… - The Astrophysical …, 2017 - iopscience.iop.org
It is now well-established that the stellar initial mass function (IMF) can be determined from
the absorption line spectra of old stellar systems, and this has been used to measure the IMF …

INSPIRE: INvestigating Stellar Population In RElics-III. Second data release (DR2): testing the systematics on the stellar velocity dispersion

G D'Ago, C Spiniello, L Coccato, C Tortora… - Astronomy & …, 2023 - aanda.org
Context. The project called INvestigating Stellar Population In RElics (INSPIRE) is based on
VLT/X-shooter data from the homonymous on-going ESO Large Program. It targets 52 ultra …

The MASSIVE Survey. XVI. The Stellar Initial Mass Function in the Center of MASSIVE Early-type Galaxies

M Gu, JE Greene, AB Newman, C Kreisch… - The Astrophysical …, 2022 - iopscience.iop.org
The stellar initial mass function (IMF) is a fundamental property in the measurement of stellar
masses and galaxy star formation histories. In this work, we focus on the most massive …