Alternative diagnostic diagrams and the 'forgotten'population of weak line galaxies in the SDSS

RC Fernandes, G Stasińska… - Monthly Notices of …, 2010 - academic.oup.com
A numerous population of weak line galaxies (WLGs) is often left out of statistical studies on
emission-line galaxies (ELGs) due to the absence of an adequate classification scheme …

Mass-metallicity relation explored with CALIFA-I. Is there a dependence on the star-formation rate?

SF Sánchez, FF Rosales-Ortega, B Jungwiert… - Astronomy & …, 2013 - aanda.org
We studied the global and local ℳ-Z relation based on the first data available from the
CALIFA survey (150 galaxies). This survey provides integral field spectroscopy of the …

The star formation history of CALIFA galaxies: Radial structures

RMG Delgado, E Pérez, RC Fernandes… - Astronomy & …, 2014 - aanda.org
We have studied the radial structure of the stellar mass surface density (μ∗) and stellar
population age as a function of the total stellar mass and morphology for a sample of 107 …

Galaxies hosting an active galactic nucleus: a view from the CALIFA survey

EAD Lacerda, SF Sánchez… - Monthly Notices of …, 2020 - academic.oup.com
We study the presence of optically-selected active galactic nuclei (AGNs) within a sample of
867 galaxies extracted from the extended Calar-Alto Legacy Integral Field spectroscopy …

DEVILS: cosmic evolution of SED-derived metallicities and their connection to star formation histories

JE Thorne, ASG Robotham, S Bellstedt… - Monthly Notices of …, 2022 - academic.oup.com
Gas-phase metallicities of galaxies are typically measured through auroral or nebular
emission lines, but metallicity also leaves an imprint on the overall spectral energy …

The SAMI galaxy survey: exploring the gas-phase mass–metallicity relation

SF Sánchez, JK Barrera-Ballesteros… - Monthly Notices of …, 2019 - academic.oup.com
We present a detailed exploration of the stellar mass versus gas-phase metallicity relation
(MZR) using integral field spectroscopy data obtained from∼ 1000 galaxies observed by the …

SDSS-IV MaNGA–an archaeological view of the cosmic star formation history

SF Sánchez, V Avila-Reese… - Monthly Notices of …, 2019 - academic.oup.com
We present the results of the archaeological analysis of the stellar populations of a sample
of∼ 4000 galaxies observed by the SDSS-IV MaNGA survey using pipe3d. Based on this …

Do galaxy global relationships emerge from local ones? The SDSS IV MaNGA surface mass density–metallicity relation

JK Barrera-Ballesteros, TM Heckman… - Monthly Notices of …, 2016 - academic.oup.com
We present the stellar surface mass density versus gas metallicity (Σ*-Z) relation for more
than 500 000 spatially resolved star-forming resolution elements (spaxels) from a sample of …

Spatially Resolved Spectroscopic Properties of Low-Redshift Star-Forming Galaxies

SF Sánchez - Annual Review of Astronomy and Astrophysics, 2020 - annualreviews.org
I review the spatially resolved spectroscopic properties of low-redshift star-forming galaxies
(and their retired counterparts) using results from the most recent optical integral field …

A NEW SCALING RELATION FOR H ii REGIONS IN SPIRAL GALAXIES: UNVEILING THE TRUE NATURE OF THE MASS–METALLICITY RELATION

FF Rosales-Ortega, SF Sánchez… - The Astrophysical …, 2012 - iopscience.iop.org
We demonstrate the existence of a local mass, metallicity, star formation relation using
spatially resolved optical spectroscopy of H ii regions in the local universe. One of the …