P. Sánchez–Blázquez
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View article: The impact of bars on the properties of H <scp>ii</scp> regions in the TIMER survey
The impact of bars on the properties of H <span>ii</span> regions in the TIMER survey Open
In this study, we perform a comparative analysis of the properties of the H ii regions located in different areas of barred galaxies, with the aim of investigating the impact of bars on the physical properties of the ionized gas. Based on …
View article: Masses, Star Formation Efficiencies, and Dynamical Evolution of 18,000 H <scp>ii</scp> Regions
Masses, Star Formation Efficiencies, and Dynamical Evolution of 18,000 H <span>ii</span> Regions Open
We present measurements of the masses associated with ∼18,000 H ii regions across 19 nearby star-forming galaxies by combining data from JWST, Hubble Space Telescope, MUSE, Atacama Large Millimeter/submillimeter Array, Very Large Arra…
View article: Masses, Star-Formation Efficiencies, and Dynamical Evolution of 18,000 HII Regions
Masses, Star-Formation Efficiencies, and Dynamical Evolution of 18,000 HII Regions Open
We present measurements of the masses associated with $\sim18,000$ HII regions across 19 nearby star-forming galaxies by combining data from JWST, HST, MUSE, ALMA, VLA, and MeerKAT from the multi-wavelength PHANGS survey. We report 10 pc-s…
View article: Caveats about measuring carbon abundances in stars using the CH band
Caveats about measuring carbon abundances in stars using the CH band Open
Context. Stellar carbon abundances are crucial for tracing the star formation history and predicting the near-infrared emission of galaxies. It is still a complex task to derive accurate carbon abundance estimates for a wide variety of sta…
View article: Optimizing the analysis of emission lines in galaxies: the case of the MUSE TIMER galaxy NGC 613
Optimizing the analysis of emission lines in galaxies: the case of the MUSE TIMER galaxy NGC 613 Open
Galaxy evolution is driven by spatially distributed processes with varying time-scales. Integral field spectroscopy provides spatially resolved information about these processes. Nevertheless, disentangling these processes, which are relat…
View article: Optimising the analysis of emission lines in galaxies: the case of the MUSE TIMER galaxy NGC 613
Optimising the analysis of emission lines in galaxies: the case of the MUSE TIMER galaxy NGC 613 Open
Galaxy evolution is driven by spatially distributed processes with varying timescales. Integral field spectroscopy provides spatially-resolved information about these processes. Nevertheless, disentangling these processes, which are relate…
View article: Bar ages derived for the first time in nearby galaxies
Bar ages derived for the first time in nearby galaxies Open
Once galaxies settle their discs and become self-gravitating, stellar bars can form, driving the subsequent evolution of their host galaxy. Determining the ages of bars can therefore shed light on the epoch of the onset of secular evolutio…
View article: The resolved star-formation efficiency of early-type galaxies
The resolved star-formation efficiency of early-type galaxies Open
Understanding how and why star formation varies between galaxies is fundamental to our comprehension of galaxy evolution. In particular, the star-formation efficiency (SFE; star-formation rate or SFR per unit cold gas mass) has been shown …
View article: The PHANGS-HST-H<i>α</i> Survey: Warm Ionized Gas Physics at High Angular Resolution in Nearby Galaxies with the Hubble Space Telescope
The PHANGS-HST-H<i>α</i> Survey: Warm Ionized Gas Physics at High Angular Resolution in Nearby Galaxies with the Hubble Space Telescope Open
The PHANGS project is assembling a comprehensive, multiwavelength data set of nearby (∼5–20 Mpc), massive star-forming galaxies to enable multiphase, multiscale investigations into the processes that drive star formation and galaxy evoluti…
View article: Galaxy mass-size segregation in the cosmic web from the CAVITY parent sample
Galaxy mass-size segregation in the cosmic web from the CAVITY parent sample Open
Context. The mass-size relation is a fundamental galaxy scaling relation that is intrinsically linked to galaxy formation and evolution. The physical processes involved in galaxy growth leave their particular imprint on the relation betwee…
View article: Continuation of an optical spectroscopic campaign of Fermi blazar candidates with TNG: Discovery of a new changing-look blazar
Continuation of an optical spectroscopic campaign of Fermi blazar candidates with TNG: Discovery of a new changing-look blazar Open
Context. Blazars are a distinct subclass of active galactic nuclei (AGN), known for their fast variability, high polarization, and intense emission across the electromagnetic spectrum, from radio waves to gamma rays. Gamma-ray blazar candi…
View article: Continuation of an Optical Spectroscopic Campaign of Fermi Blazar Candidates with TNG: Discovery of a New Changing-Look Blazar
Continuation of an Optical Spectroscopic Campaign of Fermi Blazar Candidates with TNG: Discovery of a New Changing-Look Blazar Open
Context. Blazars are a distinct subclass of active galactic nuclei (AGN), known for their fast variability, high polarization, and intense emission across the electromagnetic spectrum, from radio waves to gamma rays. Gamma-ray blazar candi…
View article: The puzzle of isolated and quenched dwarf galaxies in cosmic voids
The puzzle of isolated and quenched dwarf galaxies in cosmic voids Open
We report, for the first time, the detection of a sample of quenched and isolated dwarf galaxies (with 8.9 $<$ log(M$_{\rm \star}$/M$_{\rm \odot}$) $<$ 9.5) in the least dense regions of the cosmic web, including voids, filaments, and wall…
View article: The puzzle of isolated and quenched dwarf galaxies in cosmic voids
The puzzle of isolated and quenched dwarf galaxies in cosmic voids Open
We report, for the first time, the detection of a sample of quenched and isolated dwarf galaxies (with 8.9 < log(M ⋆ /M ⊙ ) < 9.5) in the least dense regions of the cosmic web, including voids, filaments, and walls. These dwarfs have no ne…
View article: Effect of the local and large-scale environment on the star formation histories of galaxies
Effect of the local and large-scale environment on the star formation histories of galaxies Open
Context. The specific environment of galaxies may play a key role in their evolution. Large extragalactic surveys make it possible to study galaxies not only within their local environment, but also within the large-scale structure of the …
View article: Dynamical resonances in PHANGS galaxies
Dynamical resonances in PHANGS galaxies Open
Bars are remarkable stellar structures that can transport gas toward centers and drive the secular evolution of galaxies. In this context, it is important to locate dynamical resonances associated with bars. For this study, we used ${Spitz…
View article: Dynamical resonances in PHANGS galaxies
Dynamical resonances in PHANGS galaxies Open
Bars are remarkable stellar structures that can transport gas toward centers and drive the secular evolution of galaxies. In this context, it is important to locate dynamical resonances associated with bars. For this study, we used Spitzer…
View article: CAVITY: Calar Alto Void Integral-field Treasury surveY
CAVITY: Calar Alto Void Integral-field Treasury surveY Open
The Calar Alto Void Integral-field Treasury surveY (CAVITY) is a legacy project aimed at characterising the population of galaxies inhabiting voids, which are the most under-dense regions of the cosmic web, located in the Local Universe. T…
View article: The effect of local and large scale environment on the star formation histories of galaxies
The effect of local and large scale environment on the star formation histories of galaxies Open
We aim to investigate how the local environment influences the star formation history (SFH) of galaxies residing in various large-scale environments. We categorise a sample of 9384 galaxies into the three primary large scale structures (vo…
View article: The effect of mass and morphology on the mass assembly of galaxies
The effect of mass and morphology on the mass assembly of galaxies Open
The pace at which galaxies grew into their current stellar masses and how this growth is regulated is still not fully understood, nor is the role that morphology plays in this process. We applied full spectral fitting techniques with pyPip…
View article: Neutral atomic and molecular gas dynamics in the nearby spiral galaxies NGC 1512, NGC 4535, and NGC 7496
Neutral atomic and molecular gas dynamics in the nearby spiral galaxies NGC 1512, NGC 4535, and NGC 7496 Open
Neutral atomic gas (H I ) effectively traces galactic dynamics across mid to large galactocentric radii. However, its limitations in observing small-scale changes within the central few kiloparsecs, coupled with the often observed H I defi…
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: CAVITY, Calar Alto Void Integral-field Treasury surveY and project extension
CAVITY, Calar Alto Void Integral-field Treasury surveY and project extension Open
We have learnt in the last decades that the majority of galaxies belong to high density regions interconnected in a sponge-like fashion. This large-scale structure is characterised by clusters, filaments, and walls, where most galaxies con…
View article: Impacts of Bar-driven Shear and Shocks on Star Formation
Impacts of Bar-driven Shear and Shocks on Star Formation Open
Bars drive gas inflow. As the gas flows inward, shocks and shear occur along the bar dust lanes. Such shocks and shear can affect the star formation (SF) and change the gas properties. For four barred galaxies, we present H α velocity grad…
View article: Measuring the gas reservoirs in 10<sup>8</sup> < <i>M</i><sub>⋆</sub> < 10<sup>11</sup> <i>M</i><sub>⊙</sub> galaxies at 1 ≤ <i>z</i> ≤ 3
Measuring the gas reservoirs in 10<sup>8</sup> < <i>M</i><sub>⋆</sub> < 10<sup>11</sup> <i>M</i><sub>⊙</sub> galaxies at 1 ≤ <i>z</i> ≤ 3 Open
Context. Understanding the gas content in galaxies, along with its consumption and replenishment, is vital to our grasp of the evolution of the Universe. Numerous studies have addressed this notion, utilizing various observational tools an…
View article: Do spiral arms enhance star formation efficiency?
Do spiral arms enhance star formation efficiency? Open
Spiral arms, as those of our own Milky Way, are some of the most spectacular features in disc galaxies. It has been argued that star formation should proceed more efficiently in spiral arms as a result of gas compression. Yet, observationa…
View article: Do spiral arms enhance star formation efficiency?
Do spiral arms enhance star formation efficiency? Open
Spiral arms are some of the most spectacular features in disc galaxies, and also present in our own Milky Way. It has been argued that star formation should proceed more efficiently in spiral arms as a result of gas compression. Yet, obser…
View article: CAVITY, Calar Alto Void Integral-field Treasury surveY and project extension
CAVITY, Calar Alto Void Integral-field Treasury surveY and project extension Open
We have learnt in the last decades that the majority of galaxies belong to high density regions interconnected in a sponge-like fashion. This large-scale structure is characterised by clusters, filaments, walls, where most galaxies concent…