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 …

MUSE spectroscopy of the ULX NGC 1313 X-1: A shock-ionised bubble, an X-ray photoionised nebula, and two supernova remnants

A Gúrpide, M Parra, O Godet, T Contini… - Astronomy & …, 2022 - aanda.org
Context. The presence of large ionised gaseous nebulae found around some ultraluminous
X-ray sources (ULXs) provides the means to assess the mechanical and radiative feedback …

Metal-THINGS: a panchromatic analysis of the local scaling relationships of the dwarf irregular galaxy NGC 1569

LE Garduño, J Zaragoza-Cardiel… - Monthly Notices of …, 2023 - academic.oup.com
We investigate several panchromatic scaling relations (SRs) for the dwarf irregular galaxy
NGC 1569 using Integral Field Unit (IFU) data from the Metal-THINGS Survey. Among the …

Diffusion of cosmic-ray electrons in M 51 observed with LOFAR at 54 MHz

V Heesen, F de Gasperin, S Schulz, A Basu… - Astronomy & …, 2023 - aanda.org
Context. The details of cosmic-ray transport have a strong impact on galaxy evolution. The
peak of the cosmic-ray energy distribution is observable in the radio continuum using the …

The Fornax3D project: The environmental impact on gas metallicity gradients in Fornax cluster galaxies

MA Lara-López, PM Galán-de Anta, M Sarzi… - Astronomy & …, 2022 - aanda.org
The role played by environment in galaxy evolution is a topic of ongoing debate among
astronomers. There has been little success in elucidating the degree to which environment …

Metal-THINGS: Association and optical characterization of supernova remnants with HI holes in NGC 6946

MA Lara-López, LS Pilyugin… - Astronomy & …, 2023 - aanda.org
Context. NGC 6946, also known as the “Fireworks Galaxy”, is an unusual galaxy that hosts a
total of 225 supernova remnant (SNR) candidates, including 147 optically identified with …

Calibration-based abundances in the interstellar gas of galaxies from slit and IFU spectra

LS Pilyugin, MA Lara-López, JM Vílchez… - Astronomy & …, 2022 - aanda.org
In this work, we make use of available integral field unit (IFU) spectroscopy and slit spectra
of several nearby galaxies. The pre-existing empirical R and S calibrations for abundance …

Chemical abundances in the dwarf galaxy NGC 4163 based on the nebular and auroral emission lines

IA Zinchenko, LS Pilyugin - Astronomische Nachrichten, 2022 - Wiley Online Library
We constructed an oxygen abundance map and N/O ratio map of the unusually low
excitation dwarf irregular galaxy NGC 4163 based on publicly available spectroscopy …

A spatially resolved radio spectral study of the galaxy M 51

L Gajović, B Adebahr, A Basu, V Heesen… - arXiv preprint arXiv …, 2024 - arxiv.org
Radio continuum emission from galaxies at gigahertz frequencies can be used as an
extinction-free tracer of star formation. However, at frequencies of a few hundred megahertz …

Metal-THINGS: Association and optical characterization of supernova remnants with HI holes in NGC 6946

L López, LS Pilyugin, J Zaragoza Cardiel, IA Zinchenko… - 2023 - ri.conicet.gov.ar
Context. NGC 6946, also known as the-Fireworks Galaxy, is an unusual galaxy that hosts a
total of 225 supernova remnant (SNR) candidates, including 147 optically identified with …