Search Results - "Boquien, Médéric"
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Missing Mass in Collisional Debris from Galaxies
Published in Science (American Association for the Advancement of Science) (25-05-2007)“…Recycled dwarf galaxies can form in the collisional debris of massive galaxies. Theoretical models predict that, contrary to classical galaxies, these recycled…”
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Dust Attenuation Curves in the Local Universe: Demographics and New Laws for Star-forming Galaxies and High-redshift Analogs
Published in The Astrophysical journal (20-05-2018)“…We study the dust attenuation curves of 230,000 individual galaxies in the local universe, ranging from quiescent to intensely star-forming systems, using…”
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Diversity of Galaxy Dust Attenuation Curves Drives the Scatter in the IRX-β Relation
Published in The Astrophysical journal (10-02-2019)“…We study the drivers of the scatter in the IR excess (IRX)-β relation using 23,000 low-redshift galaxies from the GALEX-SDSS-WISE Legacy Catalog 2 (GSWLC-2)…”
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SDSS IV MaNGA – metallicity and nitrogen abundance gradients in local galaxies
Published in Monthly notices of the Royal Astronomical Society (01-07-2017)“…Abstract We study the gas phase metallicity (O/H) and nitrogen abundance gradients traced by star-forming regions in a representative sample of 550 nearby…”
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SDSS IV MaNGA – spatially resolved diagnostic diagrams: a proof that many galaxies are LIERs
Published in Monthly notices of the Royal Astronomical Society (21-09-2016)“…We study the spatially resolved excitation properties of the ionized gas in a sample of 646 galaxies using integral field spectroscopy data from the Sloan…”
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Fitting AGN/Galaxy X-Ray-to-radio SEDs with CIGALE and Improvement of the Code
Published in The Astrophysical journal (01-03-2022)“…Abstract Modern and future surveys effectively provide a panchromatic view for large numbers of extragalactic objects. Consistently modeling these…”
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SDSS-IV MaNGA – the spatially resolved transition from star formation to quiescence
Published in Monthly notices of the Royal Astronomical Society (21-04-2017)“…Abstract Using spatially resolved spectroscopy from SDSS-IV MaNGA we have demonstrated that low ionization emission-line regions (LIERs) in local galaxies…”
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Improved GALEX UV Photometry for 700,000 SDSS Galaxies
Published in The Astrophysical journal. Supplement series (01-09-2023)“…Abstract The Galaxy Evolution Explorer (GALEX) satellite performed the first and only large-area UV survey, which in tandem with the Sloan Digital Sky Survey…”
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SDSS-IV MaNGA: Bayesian analysis of the star formation history of low-mass galaxies in the local Universe
Published in Monthly notices of the Royal Astronomical Society (01-10-2020)“…ABSTRACT We measure the star formation histories (SFHs) of a sample of low-mass galaxies with M* < 109 M⊙ from the SDSS-IV MaNGA survey. The large number of…”
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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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The ALPINE-ALMA [C ii] Survey: Size of Individual Star-forming Galaxies at z = 4-6 and Their Extended Halo Structure
Published in The Astrophysical journal (01-09-2020)“…We present the physical extent of [C ii] 158 m line-emitting gas from 46 star-forming galaxies at z = 4-6 from the ALMA Large Program to INvestigate C ii at…”
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Distances to PHANGS galaxies: New tip of the red giant branch measurements and adopted distances
Published in Monthly notices of the Royal Astronomical Society (01-03-2021)“…ABSTRACT PHANGS-HST is an ultraviolet-optical imaging survey of 38 spiral galaxies within ∼20 Mpc. Combined with the PHANGS-ALMA, PHANGS-MUSE surveys and other…”
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The PHANGS-HST Survey: Physics at High Angular Resolution in Nearby Galaxies with the Hubble Space Telescope
Published in The Astrophysical journal. Supplement series (01-01-2022)“…Abstract The PHANGS program is building the first data set to enable the multiphase, multiscale study of star formation across the nearby spiral galaxy…”
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Spectral Energy Distributions for 258 Local Volume Galaxies
Published in The Astronomical journal (01-06-2023)“…Abstract We present model spectral energy distribution (SED) fits to ultraviolet/optical/infrared observations for the 258 nearby galaxies in the Local Volume…”
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15
Asymmetry Revisited: The Effect of Dust Attenuation and Galaxy Inclination
Published in The Astrophysical journal (01-04-2021)“…Abstract Dust attenuation of an inclined galaxy can cause additional asymmetries in observations, even if the galaxy has a perfectly symmetric structure…”
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The IRX–β relation in kpc-sized star-forming regions in nearby galaxies
Published in Monthly notices of the Royal Astronomical Society (01-11-2023)“…ABSTRACT The effect of dust attenuation on a galaxy’s light depends on a number of physical properties, such as geometry and dust composition, both of which…”
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VLT-MUSE spectroscopy of AGNs misclassified by BPT diagnostic or with weak emission lines
Published in Monthly notices of the Royal Astronomical Society (10-10-2023)“…ABSTRACT Despite powerful X-ray emission, some active galactic nuclei (AGNs) are known to either lack optical emission lines (so-called ‘optically dull’ AGNs)…”
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THE SPATIALLY RESOLVED COOLING LINE DEFICIT IN GALAXIES
Published in The Astrophysical journal (01-01-2017)“…ABSTRACT We present [C ii] 158 m measurements from over 15,000 resolved regions within 54 nearby galaxies of the Kingfish program to investigate the so-called…”
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The IRX–β relation in kpc-sized star-forming regions in nearby galaxies
Published in Monthly notices of the Royal Astronomical Society (21-09-2023)“…ABSTRACT The effect of dust attenuation on a galaxy’s light depends on a number of physical properties, such as geometry and dust composition, both of which…”
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Deep transfer learning for star cluster classification: I. application to the PHANGS–HST survey
Published in Monthly notices of the Royal Astronomical Society (01-04-2020)“…ABSTRACT We present the results of a proof-of-concept experiment that demonstrates that deep learning can successfully be used for production-scale…”
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