activity
20102026
most citedThe O3N2 and N2 abundance indicators revisited: improved calibrations based on CALIFA and Te-based literature data

589 citations · 1.3k across the 35 of their papers we have counts for

collaborators

36 papers

astro-ph.GA2026

Beyond the [OIII]4363 auroral line: [NeIII]3868 as a direct tracer of electron temperature

Borja Pérez-Díaz, José M. Vílchez, Marco Castellano +9

Auroral lines enable accurate measurements of chemical abundances in ionized gaseous nebulae thanks to their sensitivity to electron temperature. However, metal-enriched systems re…

astro-ph.GA2026

Not So Isolated: Green Pea Galaxies in Overdense Environments revealed by VLT/MUSE

A. Arroyo-Polonio, J. M. Vílchez, J. Iglesias-Páramo +9

Context. Green Pea galaxies (GPs) are local starburst galaxies serving as analogues for high-redshift star-forming galaxies, particularly Lyman continuum leakers. It remains debate…

astro-ph.GA2026

The k-MENDEL sample of local analogs to reionization galaxies. Spectral identification of EELGs and properties of green peas in DESI

L. Bonatto, R. Amorín, A. Giménez-Alcázar +7

Low-mass galaxies with intense starbursts exhibit spectra dominated by extreme nebular emission and faint stellar continua. These extreme emission-line galaxies (EELGs) are key lab…

astro-ph.GA2026

Wild is the wind from low-luminosity AGN: A jet-driven gas bubble blowing out a massive CO-dark outflow in ESO 420-G13

J. A. Fernández-Ontiveros, L. Spinoglio, M. Pereira-Santaella +8

We present JWST/MIRI mid-infrared integral field spectroscopy combined with ALMA CO(2-1) observations of the post-starburst galaxy ESO 420-G13, hosting a low-luminosity AGN. The un…

astro-ph.IM2025

Why the Northern Hemisphere Needs a 30-40 m Telescope and the Science at Stake: Northern Local Star-forming Dwarf Galaxies. Analogues of the First Galaxies and Probes of the Cosmic Metallicity Scale

C. Esteban, J. M. Vilchez, J. García-Rojas +15

Star-forming dwarf galaxies in the local Universe, especially extremely metal-poor ones, can be considered analogous to early galaxies of the Epoch of Reionization (z >= 6). Curren…

astro-ph.GA2025

J-PAS: A value-added catalogue of optical line intensities for nebular emission galaxies (JOLINES)

J. A. Fernández-Ontiveros, C. López-Sanjuan, A. Hernán-Caballero +38

We present the value-added catalogue JOLINES (J-PAS optical line intensities for nebular emission galaxies), which provides emission-line fluxes in galaxies at from the spectrophot…

astro-ph.GA2025

Sulphur abundances in star-forming regions from optical emission lines: A new approach based on photoionization models consistent with the direct method

Enrique Pérez-Montero, Borja Pérez-Díaz, José M. Vílchez +5

The derivation of sulphur chemical abundances in the gas-phase of star-forming galaxies is explored in this work, using the emission lines produced in these regions in the optical…

astro-ph.GA2025★ 4 cited

Exploring the hardness of the ionizing radiation with the infrared softness diagram. II. Bimodal distributions in both the ionizing continuum slope and the excitation in active galactic nuclei

E. Pérez-Montero, J. A. Fernández-Ontiveros, B. Pérez-Díaz +2

After exploring the infrared softness diagram to characterize the hardness of the incident ionizing radiation in star-forming regions, we exploit the availability of high-excitatio…

astro-ph.GA2024★ 1 cited

Chemical enrichment in LINERs from MaNGA. I. Tracing Oxygen and Nitrogen Nuclear Abundances in LINERs with Varied Ionizing Sources

Borja Pérez-Díaz, Enrique Pérez-Montero, Igor A. Zinchenko +1

The chemical enrichment in low-ionization nuclear emission-line regions (LINERs) is still an issue with spatial resolution spectroscopic data due to the lack of studies and the unc…

astro-ph.GA2024★ 19 cited

CAVITY, Calar Alto Void Integral-field Treasury surveY and project extension

I. Pérez, S. Verley, L. Sánchez-Menguiano +58

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…

astro-ph.GA2024★ 8 cited

Chemical abundances and deviations from the solar S/O ratio in the gas-phase ISM of galaxies based on infrared emission lines

Borja Pérez-Díaz, Enrique Pérez-Montero, Juan A. Fernández-Ontiveros +3

The infrared (IR) range is extremely useful in the context of chemical abundance studies of the gas-phase interstellar medium (ISM) due to the large variety of ionic species traced…

astro-ph.GA2024

Exploring the hardness of the ionising radiation with the infrared softness diagram. I. Similar effective temperature scales for starbursts and (ultra)luminous infrared galaxies

Enrique Pérez-Montero, Juan A. Fernández-Ontiveros, Borja Pérez-Díaz +3

{We explored the {softness parameter} in the infrared, whose main purpose is the characterisation of the hardness of the incident ionising radiation in emission-line nebulae. This…

astro-ph.GA2023★ 1 cited

Merger-driven infall of metal-poor gas in luminous infrared galaxies: a deep dive beneath the mass-metallicity relation

Borja Pérez-Díaz, Enrique Pérez-Montero, Juan A. Fernández-Ontiveros +2

The build up of heavy elements and the stellar mass assembly are fundamental processes in the formation and evolution of galaxies. Although they have been extensively studied throu…

astro-ph.GA2023★ 37 cited

Ionized gas kinematics and chemical abundances of low-mass star-forming galaxies at

M. Llerena, R. Amorín, L. Pentericci +6

We selected 35 low-mass SFGs (7.9<log(M/M)<10.3) from deep spectroscopic surveys based on their CIII]1908 emission. We used follow-up NIR observations to examine thei…

astro-ph.GA2023★ 5 cited

Assessing model-based carbon and oxygen abundance derivation from ultraviolet emission lines in AGNs

Enrique Pérez-Montero, Ricardo Amorín, Borja Pérez-Díaz +2

We present an adapted version of the code HII-CHI-Mistry-UV (Pérez-Montero & Amorín 2017) to derive chemical abundances from emission lines in the ultraviolet, for use in narrow li…

astro-ph.IM2022★ 1 cited

A tactile model of the night summer northern sky for the teaching of astronomy to the BVI

E. Pérez-Montero, M. Lanzara, A. Ortiz-Gil +4

Astroaccesible is an outreach project hosted by the Instituto de Astrof\'ısica de Andaluc\'ıa - CSIC aimed at the teaching and popularisation of the astronomy among all publics ind…

astro-ph.GA2022★ 17 cited

Measuring chemical abundances in AGN from infrared nebular lines: HII-CHI-Mistry-IR for AGN

Borja Pérez-Díaz, Enrique Pérez-Montero, Juan A. Fernández-Ontiveros +1

Future and on-going infrared and radio observatories such as JWST, METIS or ALMA will increase the amount of rest-frame IR spectroscopic data for galaxies by several orders of magn…

astro-ph.IM2022★ 7 cited

Painting graphs with sounds: CosMonic sonification project

Rubén García-Benito, Enrique Pérez-Montero

CosMOnic (COSmos harMONIC) is a sonification project with a triple purpose: analysis (by means of sounds) of any type of data, source of inspiration for artistic creations, and ped…

astro-ph.GA2022★ 41 cited

Mass-Metallicity and Star Formation Rate in Galaxies: a complex relation tuned to stellar age

S. Duarte Puertas, J. M. Vilchez, J. Iglesias-Páramo +5

In this work we study the stellar mass -- metallicity relation (MZR) of an extended sample of star-forming galaxies in the local Universe and its possible dependence with the star…

astro-ph.GA2022★ 11 cited

New calibrations for estimating the N/O ratio in HII regions

Estrella Florido, Almudena Zurita, Enrique Pérez-Montero

We use a sample of 536 \hii\ regions located in nearby spirals, with an homogeneous determination of their -based abundances, to obtain new empirical calibrations of the N2O2,…

astro-ph.GA2021★ 21 cited

New insights on the nebular emission, ionizing radiation and low metallicity of Green Peas from advanced modelling

Vital Fernández, R. Amorín, E. Pérez-Montero +3

Low-metallicity, compact starburst galaxies referred to as Green Peas (GPs) provide a unique window to study galactic evolution across cosmic epochs. In this work, we present new d…

astro-ph.GA2021

The VANDELS survey: global properties of CIII]1908Å emitting star-forming galaxies at z3

M. Llerena, R. Amorín, F. Cullen +17

We study the mean properties of a large representative sample of 217 galaxies showing CIII] emission at , selected from a parent sample of 750 main-sequence star-formi…

astro-ph.GA2021★ 23 cited

Measuring Chemical Abundances with Infrared Nebular Lines: HII-Chi-mistry-IR

J. A. Fernández-Ontiveros, E. Pérez-Montero, J. M. Vílchez +2

We provide a new method to derive heavy element abundances based on the unique suite of nebular lines in the mid- to far-infrared (IR) range. Using grids of photo-ionisation models…

astro-ph.GA2019★ 27 cited

Integral Field Spectroscopy of Green Peas (I): Disentangling disk-like, turbulence and strong outflow kinematics in SDSSJ083843.63+385350.5

G. Bosch, G. F. Hägele, R. Amorín +8

Integral Field Spectroscopy (IFS) is well known for providing detailed insight of extended sources thanks to the possibility of handling space resolved spectroscopic information. S…