activity
20172026
most citedThe miniJPAS survey: star-galaxy classification using machine learning

55 citations · 115 across the 24 of their papers we have counts for

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Showing astro-ph.GAShow all

12 papers · 1 filter

astro-ph.GA2026

J-PAS: unprecedented precision in stellar populations of diffuse tidal features

Sepideh Eskandarlou, Mohammad Akhlaghi, Francisco Arizo-Borillo +38

Galaxies frequently interact with nearby systems, a process that can significantly alter their morphology and star formation activity. However, spectroscopic studies of their faint…

astro-ph.GA2026

The miniJPAS survey: Dissecting galaxy properties across environments with spatially resolved photometry

J. E. Rodríguez-Martín, R. M. González Delgado, L. A. Díaz-García +27

The Javalambre-Physics of the Accelerating Universe Astrophysical Survey (J-PAS) is an ongoing survey mapping thousands of square degrees in the Northern Hemisphere using 56 narrow…

astro-ph.GA2025★ 1 cited

J-PAS: First Identification, Physical Properties and Ionization Efficiency of Extreme Emission Line Galaxies

A. Giménez-Alcázar, R. Amorín, J. M. Vílchez +32

Extreme emission line galaxies (EELGs) are key tracers of intense star formation and potential analogues of the sources that reionized the early Universe. Their low-redshift counte…

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★ 1 cited

J-PAS: A Neural Network Approach to Single Stellar Population Characterization

H. Domínguez Sánchez, P. Coelho, G. Bruzual +28

J-PAS (Javalambre Physics of the Accelerating Universe Astrophysical Survey) will present a groundbreaking photometric survey covering 8500 deg of the visible sky from Javalamb…

astro-ph.GA2025★ 1 cited

J-PAS: Discovery of RaJav, a bright spatially extended Ly Nebula at z=2.25

P. T. Rahna, M. Akhlaghi, J. A. Fernández-Ontiveros +29

We report the discovery of a massive and potentially largest Ly Nebula, RaJav, at z=2.25, associated with a quasar pair: the bright SDSS~J162029.07+433451.1 (hereafter J1620+433…

astro-ph.GA2025★ 2 cited

Exploring the spatially-resolved capabilities of the J-PAS survey with Py2DJPAS

J. E. Rodríguez-Martín, L. A. Díaz-García, R. M. González Delgado +27

We present Py2DJPAS, a Python-based tool to automate the analysis of spatially resolved galaxies in the \textbf{miniJPAS} survey, a 1~deg precursor of the J-PAS survey, using t…

astro-ph.GA2024★ 5 cited

The miniJPAS Survey: The radial distribution of star formation rates in faint X-ray active galactic nuclei

Nischal Acharya, Silvia Bonoli, Mara Salvato +35

We study the impact of black hole nuclear activity on both the global and radial star formation rate (SFR) profiles in X-ray-selected active galactic nuclei (AGN) in the field of m…

astro-ph.GA2023★ 5 cited

The miniJPAS survey. Evolution of the luminosity and stellar mass functions of galaxies up to

L. A. Díaz-García, R. M. González Delgado, R. García-Benito +22

We aim at developing a robust methodology for constraining the luminosity and stellar mass functions (LMFs) of galaxies by solely using data from multi-filter surveys and testing t…

astro-ph.GA2023★ 4 cited

The miniJPAS survey: Maximising the photo-z accuracy from multi-survey datasets with probability conflation

A. Hernán-Caballero, M. Akhlaghi, C. López-Sanjuan +35

We present a new method for obtaining photometric redshifts (photo-z) for sources observed by multiple photometric surveys using a combination (conflation) of the redshift probabil…

astro-ph.GA2022★ 5 cited

The miniJPAS Survey: Detection of double-core Lyα morphology of two high-redshift (z>3) QSOs

P. T. Rahna, Zhen-Ya Zheng, Ana L. Chies-Santos +30

The Ly emission is an important tracer of neutral gas in a circum-galactic medium (CGM) around high-z QSOs. The origin of Lya emission around QSOs is still under debate which ha…

astro-ph.GA2017★ 14 cited

Galaxy properties from J-PAS narrow-band photometry

A. Mejía-Narváez, G. Bruzual, G. Magris C. +14

We study the consistency of the physical properties of galaxies retrieved from SED-fitting as a function of spectral resolution and signal-to-noise ratio (SNR). Using a selection o…