Search Results - "Samland, M"
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Investigation of the inner structures around HD 169142 with VLT/SPHERE
Published in Monthly notices of the Royal Astronomical Society (01-01-2018)“…Abstract We present observations of the Herbig Ae star HD 169142 with the VLT/SPHERE instruments InfraRed Dual-band Imager and Spectrograph (IRDIS) (K1K2 and…”
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Modeling the Evolution of Disk Galaxies. II. Yields of Massive Stars
Published in The Astrophysical journal (20-03-1998)Get full text
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Abundant hydrocarbons in the disk around a very-low-mass star
Published in Science (American Association for the Advancement of Science) (07-06-2024)“…Very-low-mass stars (those less than 0.3 solar masses) host orbiting terrestrial planets more frequently than other types of stars. The compositions of those…”
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Limits on the presence of planets in systems with debris discs: HD 92945 and HD 107146
Published in Monthly notices of the Royal Astronomical Society (18-03-2021)“…ABSTRACT Recent observations of resolved cold debris discs at tens of au have revealed that gaps could be a common feature in these Kuiper-belt analogues. Such…”
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Modeling the Evolution of Disk Galaxies. I. The Chemodynamical Method and the Galaxy Model
Published in The Astrophysical journal (20-02-1997)Get full text
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Exoplanet Imaging Data Challenge, phase II: Characterization of exoplanet signals in high-contrast images
Published 16-09-2022“…Today, there exists a wide variety of algorithms dedicated to high-contrast imaging, especially for the detection and characterisation of exoplanet signals…”
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Water in the terrestrial planet-forming zone of the PDS 70 disk
Published in Nature (London) (17-08-2023)“…Terrestrial and sub-Neptune planets are expected to form in the inner (less than 10 au ) regions of protoplanetary disks 1 . Water plays a key role in their…”
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Subgalactic Clumps at High Redshift: A Fragmentation Origin?
Published in The Astrophysical journal (10-08-2004)“…We investigate the origin of the clumpy structures observed at high redshift, such as chain galaxies. We use a three-dimensional chemodynamical simulation…”
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A rich hydrocarbon chemistry and high C to O ratio in the inner disk around a very low-mass star
Published in Nature astronomy (01-07-2023)“…Carbon is an essential element for life but how much can be delivered to young planets is still an open question. The chemical characterization of…”
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10
Limits on the presence of planets in systems with debris discs: HD92945 and HD107146
Published in Monthly notices of the Royal Astronomical Society (01-05-2021)“…Recent observations of resolved cold debris discs at tens of au have revealed that gaps could be a common feature in these Kuiper-belt analogues. Such gaps…”
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Element Abundance Patterns of Metal-Poor Halo Stars
Published in Astrophysics and space science (01-05-2001)Get full text
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Investigation of the inner structures around HD169142 with VLT/SPHERE
Published in Monthly notices of the Royal Astronomical Society (2018)“…We present observations of the Herbig Ae star HD169142 with VLT/SPHERE instruments InfraRed Dual-band Imager and Spectrograph (IRDIS) (K1K2 and H2H3 bands) and…”
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The epochs of bulge and disk formation
Published in Open astronomy (01-03-1994)Get full text
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A Model for the Formation of the Milky Way
Published in Publications of the Astronomical Society of Australia (2004)“…A new chemodynamical model for the formation and evolution of a Milky Way type galaxy is introduced. In this scenario, the galaxy forms inside a slowly growing…”
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The Interplay between ISM, Star Formation and Galaxy Evolution
Published in Astrophysics and space science (01-01-2004)“…Issue Title: From Observations to Self-Consistent Modelling of the ISM in Galaxies I present a model for the formation and evolution of a massive disk galaxy,…”
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The chemo-dynamical evolution of a disk galaxy
Published in Astrophysics and space science (01-01-2003)“…I present a model for the formation and evolution of a massive disk galaxy, within a growing dark halo whose mass evolves according to cosmological simulations…”
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The formation of a disk galaxy within a slowly growing dark halo
Published in Astrophysics and space science (01-01-2002)“…The formation of a disk galaxy within a slowly growing dark halo is simulated with a new chemo-dynamical model. The model describes the evolution of the…”
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TRAP: A temporal systematics model for improved direct detection of exoplanets at small angular separations
Published 14-03-2021“…A&A 646, A24 (2021) High-contrast imaging surveys for exoplanet detection have shown giant planets at large separations to be rare. It is important to push…”
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Giant planets population around B stars from the first part of the BEAST survey
Published 27-09-2024“…Exoplanets form from circumstellar protoplanetary discs whose fundamental properties (notably their extent, composition, mass, temperature and lifetime) depend…”
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An imaged 15Mjup companion within a hierarchical quadruple system
Published 03-07-2023“…A&A 676, L10 (2023) Since 2019, the direct imaging B-star Exoplanet Abundance Study (BEAST) at SPHERE@VLT has been scanning the surroundings of young B-type…”
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