Search Results - "Sánchez, Sebastián F."
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Spatially Resolved Spectroscopic Properties of Low-Redshift Star-Forming Galaxies
Published in Annual review of astronomy and astrophysics (18-08-2020)“…I review the spatially resolved spectroscopic properties of low-redshift star-forming galaxies (and their retired counterparts) using results from the most…”
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The EDGE-CALIFA Survey: Molecular and Ionized Gas Kinematics in Nearby Galaxies
Published in The Astrophysical journal (20-06-2018)“…We present a comparative study of molecular and ionized gas kinematics in nearby galaxies. These results are based on observations from the EDGE survey, which…”
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SDSS-IV MaNGA: Inside-out versus Outside-in Quenching of Galaxies in Different Local Environments
Published in The Astrophysical journal (10-02-2019)“…The large Integral Field Spectroscopy surveys have allowed the classification of ionizing sources of emission lines on sub-kiloparsec scales. In this work, we…”
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SDSS-IV MaNGA: Spatial Evolution of Star Formation Triggered by Galaxy Interactions
Published in The Astrophysical journal (20-08-2019)“…Galaxy interaction is considered a key driver of galaxy evolution and star formation (SF) history. In this paper, we present an empirical picture of the radial…”
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Ageing and quenching through the ageing diagram: predictions from simulations and observational constraints
Published in Monthly notices of the Royal Astronomical Society (28-01-2023)“…ABSTRACT We study recent changes on the star-formation history (SFH) of galaxies by means of the ageing diagram (AD), tracing the fraction of stars formed…”
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Ageing and quenching through the Ageing Diagram – II. Physical characterization of galaxies
Published in Monthly notices of the Royal Astronomical Society (24-07-2023)“…ABSTRACT The connection between quenching mechanisms, which rapidly turn star-forming systems into quiescent, and the properties of the galaxy population…”
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ALMaQUEST. IV. The ALMA-MaNGA QUEnching and STar Formation (ALMaQUEST) Survey
Published in The Astrophysical journal (01-11-2020)“…The ALMaQUEST (ALMA-MaNGA QUEnching and STar formation) survey is a program with spatially resolved 12CO(1−0) measurements obtained with the Atacama Large…”
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Recovering Lost Light: Discovery of Supernova Remnants with Integral Field Spectroscopy
Published in The Astrophysical journal (01-03-2024)“…Abstract We present results from a systematic search for broad (≥ 400 km s −1 ) H α emission in integral field spectroscopy data cubes of ∼1200 nearby galaxies…”
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Disentangling the Galactic Halo with APOGEE. II. Chemical and Star Formation Histories for the Two Distinct Populations
Published in The Astrophysical journal (01-01-2018)“…The formation processes that led to the current Galactic stellar halo are still under debate. Previous studies have provided evidence for different stellar…”
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SDSS-IV MaNGA-resolved Star Formation and Molecular Gas Properties of Green Valley Galaxies: A First Look with ALMA and MaNGA
Published in The Astrophysical journal (10-12-2017)“…We study the role of cold gas in quenching star formation in the green valley by analyzing ALMA 12CO (1-0) observations of three galaxies with resolved optical…”
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The ALMaQUEST Survey. XII. Dense Molecular Gas as Traced by HCN and HCO+ in Green Valley Galaxies
Published in The Astrophysical journal (01-03-2024)“…Abstract We present Atacama Large Millimeter/submillimeter Array (ALMA) observations of two dense gas tracers, HCN (1−0) and HCO + (1-0) for three galaxies in…”
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Direct Evidence of Two-component Ejecta in Supernova 2016gkg from Nebular Spectroscopy
Published in The Astrophysical journal (01-10-2020)“…Abstract Spectral observations of the type-IIb supernova (SN) 2016gkg at 300–800 days are reported. The spectra show nebular characteristics, revealing…”
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The ALMaQUEST Survey. XIII. Understanding Radial Trends in Star Formation Quenching via the Relative Roles of Gas Availability and Star Formation Efficiency
Published in The Astrophysical journal (01-04-2024)“…Abstract Star formation quenching is one of the key processes that shape the evolution of galaxies. In this study, we investigate the changes in molecular gas…”
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The EDGE-CALIFA Survey: Spatially Resolved 13CO(1–0) Observations and Variations in 12CO(1–0)/13CO(1–0) in Nearby Galaxies on Kiloparsec Scales
Published in The Astrophysical journal. Supplement series (01-09-2023)“…We present 13CO(J = 1 → 0) observations for the EDGE-CALIFA survey, which is a mapping survey of 126 nearby galaxies at a typical spatial resolution of 1.5…”
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The EDGE-CALIFA Survey: An Extragalactic Database for Galaxy Evolution Studies
Published in The Astrophysical journal. Supplement series (01-03-2024)“…Abstract The EDGE-CALIFA survey provides spatially resolved optical integral-field unit and CO spectroscopy for 125 galaxies selected from the Calar Alto…”
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SDSS IV MaNGA: Dependence of Global and Spatially Resolved SFR-M∗ Relations on Galaxy Properties
Published in The Astrophysical journal (20-02-2018)“…The galaxy integrated H star formation rate-stellar mass relation, or SFR(global)-M*(global) relation, is crucial for understanding star formation history and…”
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SDSS-IV MaNGA: How the Stellar Populations of Passive Central Galaxies Depend on Stellar and Halo Mass
Published in The Astrophysical journal (01-07-2022)“…Abstract We analyze spatially resolved and co-added SDSS-IV MaNGA spectra with signal-to-noise ratio ∼100 from 2200 passive central galaxies ( z ∼ 0.05) to…”
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SDSS-IV MaNGA: The Nature of an Off-galaxy H α Blob—A Multiwavelength View of Offset Cooling in a Merging Galaxy Group
Published in The Astrophysical journal (01-11-2020)“…Abstract Galaxies in dense environments, such as groups and clusters, experience various processes by which galaxies gain and lose gas. Using data from the…”
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The Evolution of Early-Type Red Galaxies with the GEMS Survey: Luminosity-Size and Stellar Mass-Size Relations Since z = 1
Published in The Astrophysical journal (10-10-2005)“…We combine imaging from the Hubble Space Telescope Advanced Camera for Surveys, as part of the GEMS (Galaxy Evolution from Morphologies and SEDs) survey, with…”
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Star formation is boosted (and quenched) from the inside-out: radial star formation profiles from MaNGA
Published in Monthly notices of the Royal Astronomical Society (21-02-2018)“…Abstract The tight correlation between total galaxy stellar mass and star formation rate (SFR) has become known as the star-forming main sequence. Using ∼487…”
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