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View article: The link between galaxy merger, radio jet expansion and molecular outflow in the ULIRG IRAS 00183-7111
The link between galaxy merger, radio jet expansion and molecular outflow in the ULIRG IRAS 00183-7111 Open
The ultraluminous infrared galaxy (ULIRG) IRAS 00183-7111 (z = 0.328) is one of the three ULIRGs that are currently known to host an active galactic nucleus (AGN) with small-scale radio jets. We present a detailed study of the link between…
View article: <i>Euclid</i> preparation
<i>Euclid</i> preparation Open
The European Space Agency’s Euclid mission will observe approximately 14000 deg 2 of the extragalactic sky and deliver high-quality imaging of a large number of galaxies. The depth and high spatial resolution of the data will enable a deta…
View article: Euclid preparation. Using mock Low Surface Brightness dwarf galaxies to probe Wide Survey detection capabilities
Euclid preparation. Using mock Low Surface Brightness dwarf galaxies to probe Wide Survey detection capabilities Open
Local Universe dwarf galaxies are both cosmological and mass assembly probes. Deep surveys have enabled the study of these objects down to the low surface brightness (LSB) regime. In this paper, we estimate Euclid's dwarf detection capabil…
View article: Intra-cluster light as a dynamical clock for galaxy clusters: Insights from the MAGNETICUM, IllustrisTNG, Hydrangea, and Horizon-AGN simulations
Intra-cluster light as a dynamical clock for galaxy clusters: Insights from the MAGNETICUM, IllustrisTNG, Hydrangea, and Horizon-AGN simulations Open
Context. As the most massive nodes of the cosmic web, galaxy clusters represent the best probes of structure formation. Over time, they grow by accreting and disrupting satellite galaxies, adding those stars to the brightest cluster galaxy…
View article: The link between galaxy merger, radio jet expansion and molecular outflow in the ULIRG IRAS 00183-7111
The link between galaxy merger, radio jet expansion and molecular outflow in the ULIRG IRAS 00183-7111 Open
The ultraluminous infrared galaxy (ULIRG) IRAS 00183-7111 ($z=0.328$) is one of the three ULIRGs that are currently known to host an active galactic nucleus (AGN) with small-scale radio jets. We present a detailed study of the link between…
View article: Looking into the faintEst WIth MUSE (LEWIS): Exploring the nature of ultra-diffuse galaxies in the Hydra I cluster
Looking into the faintEst WIth MUSE (LEWIS): Exploring the nature of ultra-diffuse galaxies in the Hydra I cluster Open
Context. UDG 32 is an ultra-diffuse galaxy (UDG) candidate in the Hydra I cluster that was discovered in the extended network of stellar filaments of the jellyfish galaxy NGC 3314A. This jellyfish galaxy is affected by ram pressure strippi…
View article: <i>Euclid</i> preparation
<i>Euclid</i> preparation Open
The Euclid mission is generating a vast amount of imaging data in four broadband filters at a high angular resolution. This data will allow for the detailed study of mass, metallicity, and stellar populations across galaxies that will cons…
View article: Estimating masses of supermassive black holes in active galactic nuclei from the H<i>α</i> emission line
Estimating masses of supermassive black holes in active galactic nuclei from the H<i>α</i> emission line Open
Aims. The goal of this project is to construct an estimator for the masses of supermassive black holes in active galactic nuclei (AGNs) based on the broad H α emission line. Methods. We made use of published reverberation mapping data. We …
View article: Looking into the faintEst WIth MUSE (LEWIS): Exploring the nature of ultra-diffuse galaxies in the Hydra-I cluster
Looking into the faintEst WIth MUSE (LEWIS): Exploring the nature of ultra-diffuse galaxies in the Hydra-I cluster Open
Context. This paper focuses on a class of galaxies characterised by an extremely low surface brightness: ultra-diffuse galaxies (UDGs). We used new integral-field (IF) spectroscopic data, obtained with the ESO Large Programme Looking into …
View article: Looking into the faintEst WIth MUSE (LEWIS): Exploring the nature of ultra-diffuse galaxies in the Hydra-I cluster II. Stellar kinematics and dynamical masses
Looking into the faintEst WIth MUSE (LEWIS): Exploring the nature of ultra-diffuse galaxies in the Hydra-I cluster II. Stellar kinematics and dynamical masses Open
Context: This paper focuses on a class of galaxies characterised by an extremely low surface brightness: the ultra-diffuse galaxies (UDGs). We used new integral-field spectroscopic data from the ESO Large Programme Looking into the faintEs…
View article: Looking into the faintEst WIth MUSE (LEWIS): Exploring the nature of ultra-diffuse galaxies in the Hydra I cluster III. Untangling UDG 32 from the stripped filaments of NGC 3314A with multi-wavelength data
Looking into the faintEst WIth MUSE (LEWIS): Exploring the nature of ultra-diffuse galaxies in the Hydra I cluster III. Untangling UDG 32 from the stripped filaments of NGC 3314A with multi-wavelength data Open
UDG 32 is an ultra-diffuse galaxy (UDG) candidate in the Hydra I cluster that was discovered in the extended network of stellar filaments of the jellyfish galaxy NGC 3314A. This galaxy is affected by ram pressure stripping and it is hypoth…
View article: VEGAS-SSS: An intra-group component in the globular cluster system of the NGC 5018 galaxy group using VST data
VEGAS-SSS: An intra-group component in the globular cluster system of the NGC 5018 galaxy group using VST data Open
Context. Globular clusters (GCs) offer a valuable tool as a fossil tracer of the formation and evolution of galaxies and their environment. Studying the properties of these stellar systems provides crucial insights into the past formation …
View article: Euclid preparation - LXVIII. Extracting physical parameters from galaxies with machine learning
Euclid preparation - LXVIII. Extracting physical parameters from galaxies with machine learning Open
The Euclid mission is generating a vast amount of imaging data in four broadband filters at high angular resolution. This will allow the detailed study of mass, metallicity, and stellar populations across galaxies, which will constrain the…
View article: VEGAS-SSS: An intra-group component in the globular cluster system of NGC 5018 group of galaxies using VST data
VEGAS-SSS: An intra-group component in the globular cluster system of NGC 5018 group of galaxies using VST data Open
Globular clusters (GCs) are fossil tracer of formation and evolution of galaxies and studying their properties provides crucial insights into past formation and interaction events. We study the properties of GC candidates in 1.25 $\times$ …
View article: Stellar halos of bright central galaxies
Stellar halos of bright central galaxies Open
Aims. We present theoretical predictions and extrapolations from observed data of the stellar halos surrounding central group and cluster galaxies, and the transition radius between them and the intracluster or diffuse light. Methods. Leve…
View article: Stellar Halos of Bright Central Galaxies: A View from the FEGA Semi-Analytic Model of Galaxy Formation and VEGAS Survey
Stellar Halos of Bright Central Galaxies: A View from the FEGA Semi-Analytic Model of Galaxy Formation and VEGAS Survey Open
We present theoretical predictions and extrapolations from observed data of the stellar halos surrounding central group/cluster galaxies and the transition radius between them and the intracluster or diffuse light. Leveraging the state-of-…
View article: Estimating Masses of Supermassive Black Holes in Active Galactic Nuclei from the Halpha Emission Line
Estimating Masses of Supermassive Black Holes in Active Galactic Nuclei from the Halpha Emission Line Open
The goal of this project is to construct an estimator for the masses of supermassive black holes in active galactic nuclei (AGNs) based on the broad Halpha emission line. We make use of published reverberation mapping data. We remeasure al…
View article: VEGAS-SSS: Tracing globular cluster populations in the interacting NGC 3640 galaxy group
VEGAS-SSS: Tracing globular cluster populations in the interacting NGC 3640 galaxy group Open
Context. Globular clusters (GCs) are among the oldest stellar systems in the universe. As such, GC populations are valuable fossil tracers of galaxy formation and interaction history. This paper is part of the VEGAS-SSS series, which focus…
View article: Galaxy populations in the Hydra I cluster from the VEGAS survey III. The realm of low surface brightness features and intra-cluster light
Galaxy populations in the Hydra I cluster from the VEGAS survey III. The realm of low surface brightness features and intra-cluster light Open
In this paper, we analyse the light distribution in the Hydra I cluster of galaxies to explore their low surface brightness features, measure the intra-cluster light, and address the assembly history of the cluster. For this purpose, we us…
View article: Galaxy populations in the Hydra I cluster from the VEGAS survey
Galaxy populations in the Hydra I cluster from the VEGAS survey Open
In this paper, we analyse the light distribution in the Hydra I cluster of galaxies to explore their low surface brightness features, measure the intra-cluster light, and address the assembly history of the cluster. For this purpose, we us…
View article: The MeerKAT Fornax Survey. III. Ram-pressure stripping of the tidally\n interacting galaxy NGC 1427A in the Fornax cluster
The MeerKAT Fornax Survey. III. Ram-pressure stripping of the tidally\n interacting galaxy NGC 1427A in the Fornax cluster Open
We present MeerKAT Fornax Survey HI observations of NGC 1427A, a blue\nirregular galaxy with a stellar mass of 2e+9 Msun located near the centre of\nthe Fornax galaxy cluster. Thanks to the excellent resolution (1 to 6 kpc\nspatially, 1.4 …
View article: Retrieval of the physical parameters of galaxies from WEAVE-StePS-like data using machine learning
Retrieval of the physical parameters of galaxies from WEAVE-StePS-like data using machine learning Open
Context. The William Herschel Telescope Enhanced Area Velocity Explorer (WEAVE) is a new, massively multiplexing spectrograph that allows us to collect about one thousand spectra over a 3 square degree field in one observation. The WEAVE S…
View article: Retrieval of the physical parameters of galaxies from WEAVE-StePS-like data using machine learning
Retrieval of the physical parameters of galaxies from WEAVE-StePS-like data using machine learning Open
The WHT Enhanced Area Velocity Explorer (WEAVE) is a new, massively multiplexing spectrograph. This new instrument will be exploited to obtain high S/N spectra of $\sim$25000 galaxies at intermediate redshifts for the WEAVE Stellar Populat…
View article: MHONGOOSE discovery of a gas-rich low surface brightness galaxy in the Dorado group
MHONGOOSE discovery of a gas-rich low surface brightness galaxy in the Dorado group Open
We present the discovery of a low-mass, gas-rich low surface brightness galaxy in the Dorado group, at a distance of 17.7 Mpc. Combining deep MeerKAT 21-cm observations from the MeerKAT H I Observations of Nearby Galactic Objects: Observin…
View article: MHONGOOSE discovery of a gas-rich low-surface brightness galaxy in the Dorado Group
MHONGOOSE discovery of a gas-rich low-surface brightness galaxy in the Dorado Group Open
We present the discovery of a low-mass gas-rich low-surface brightness galaxy in the Dorado Group, at a distance of 17.7 Mpc. Combining deep MeerKAT 21-cm observations from the MeerKAT HI Observations of Nearby Galactic Objects: Observing …
View article: The effects of environment on galaxies’ dynamical structures: From simulations to observations
The effects of environment on galaxies’ dynamical structures: From simulations to observations Open
We studied the effects of cluster environments on galactic structures by using the TNG50 cosmological simulation and observed galaxies in the Fornax cluster. We focused on galaxies with stellar masses of 10 8 − 12 M ⊙ at z = 0 that reside …
View article: VEGAS-SSS. II. Comparing the globular cluster systems in NGC 3115 and NGC 1399 using VEGAS and FDS survey data: The quest for a common genetic heritage of globular cluster systems ?
VEGAS-SSS. II. Comparing the globular cluster systems in NGC 3115 and NGC 1399 using VEGAS and FDS survey data: The quest for a common genetic heritage of globular cluster systems ? Open
We analyze the globular cluster (GC) systems in two very different galaxies, NGC 3115 and NGC 1399. With the papers of this series, we aim at highlighting common and different properties in the GC systems in galaxies covering a wide range …
View article: The star formation histories of galaxies in different stages of pre-processing in the Fornax A group
The star formation histories of galaxies in different stages of pre-processing in the Fornax A group Open
We study the recent star formation histories of 10 galaxies in the Fornax A galaxy group, on the outskirts of the Fornax cluster. The group galaxies are gas-rich, and their neutral atomic hydrogen (H i) was studied in detail with observati…
View article: The star formation histories of galaxies in different stages of pre-processing in the Fornax A group
The star formation histories of galaxies in different stages of pre-processing in the Fornax A group Open
We study the recent star formation histories of ten galaxies in the Fornax A galaxy group, on the outskirts of the Fornax cluster. The group galaxies are gas-rich, and their neutral atomic hydrogen (HI) was studied in detail with observati…
View article: Looking into the faintEst WIth MUSE (LEWIS): Exploring the nature of ultra-diffuse galaxies in the Hydra-I cluster
Looking into the faintEst WIth MUSE (LEWIS): Exploring the nature of ultra-diffuse galaxies in the Hydra-I cluster Open
Looking into the faintEst WIth MUSE (LEWIS) is an ESO large observing programme that aims at obtaining the first homogeneous integral-field spectroscopic survey of 30 extremely low-surface-brightness (LSB) galaxies in the Hydra I cluster o…