Search Results - "ASTROPHYSICS"
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Introducing the CTA concept
ISSN: 0927-6505, 1873-2852, 1873-2852Published: Elsevier B.V 2013Published in Astroparticle physics (2013)“…The Cherenkov Telescope Array (CTA) is a new observatory for very high-energy (VHE) gamma rays. CTA has ambitions science goals, for which it is necessary to…”
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Analysis of Early Science observations with the CHaracterising ExOPlanets Satellite (CHEOPS) using pycheops
ISSN: 0035-8711, 1365-2966, 1365-2966Published: United Kingdom Oxford University Press 2022Published in Monthly notices of the Royal Astronomical Society (2022)“…ABSTRACT CHEOPS (CHaracterising ExOPlanet Satellite) is an ESA S-class mission that observes bright stars at high cadence from low-Earth orbit. The main aim of…”
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The surface composition of asteroid 162173 Ryugu from Hayabusa2 near-infrared spectroscopy
ISSN: 1095-9203, 1095-9203Published: United States 19.04.2019Published in Science (American Association for the Advancement of Science) (19.04.2019)“…The near-Earth asteroid 162173 Ryugu, the target of the Hayabusa2 sample-return mission, is thought to be a primitive carbonaceous object. We report…”
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Nine Localized Deviations from Keplerian Rotation in the DSHARP Circumstellar Disks: Kinematic Evidence for Protoplanets Carving the Gaps
ISSN: 2041-8205, 0004-637X, 1538-4357, 2041-8213Published: The American Astronomical Society 10.02.2020Published in Astrophysical journal. Letters (10.02.2020)“…We present evidence for localized deviations from Keplerian rotation, i.e., velocity "kinks," in 8 of the 18 circumstellar disks observed by the DSHARP…”
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The effect of stellar multiplicity on protoplanetary discs: a near-infrared survey of the Lupus star-forming region
ISSN: 0035-8711, 1365-2966, 1365-2966Published: Oxford University Press 01.02.2021Published in Monthly notices of the Royal Astronomical Society (01.02.2021)“…ABSTRACT We present results from a near-infrared (NIR) adaptive optics (AO) survey of pre-main-sequence stars in the Lupus molecular cloud with NACO at the…”
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Design concepts for the Cherenkov Telescope Array CTA: an advanced facility for ground-based high-energy gamma-ray astronomy
ISSN: 0922-6435, 1572-9508, 1572-9508Published: Dordrecht Springer Netherlands 2011Published in Experimental astronomy (2011)“…Ground-based gamma-ray astronomy has had a major breakthrough with the impressive results obtained using systems of imaging atmospheric Cherenkov telescopes…”
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The JWST Early-release Science Program for Direct Observations of Exoplanetary Systems II: A 1 to 20 μm Spectrum of the Planetary-mass Companion VHS 1256–1257 b
ISSN: 2041-8205, 0004-637X, 1538-4357, 2041-8213, 2041-8213Published: Goddard Space Flight Center The American Astronomical Society 01.03.2023Published in Astrophysical journal. Letters (01.03.2023)“…We present the highest fidelity spectrum to date of a planetary-mass object. VHS 1256 b is a <20 MJup widely separated (∼8'', a = 150 au), young,…”
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A Preliminary Study of Magnetosphere‐Ionosphere‐Thermosphere Coupling at Jupiter: Juno Multi‐Instrument Measurements and Modeling Tools
ISSN: 2169-9380, 2169-9402, 2169-9402Published: Washington American Geophysical Union (AGU) 01.09.2021Published in Journal of Geophysical Research: Space Physics (01.09.2021)“…The dynamics of the Jovian magnetosphere are controlled by the interplay of the planet's fast rotation, its main iogenic plasma source and its interaction with…”
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Early Fermi Gamma-ray Space Telescope Observations of the Quasar 3C 454.3
ISSN: 0004-637X, 1538-4357, 1538-4357Published: Bristol IOP Publishing 2009Published in The Astrophysical journal (2009)“…This is the first report of Fermi Gamma-Ray Space Telescope observations of the quasar 3C 454.3, which has been undergoing pronounced long-term outbursts since…”
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The spatial distribution of planetary ion fluxes near Mars observed by MAVEN
ISSN: 0094-8276, 1944-8007Published: Washington Blackwell Publishing Ltd 16.11.2015Published in Geophysical research letters (16.11.2015)“…We present the results of an initial effort to statistically map the fluxes of planetary ions on a closed surface around Mars. Choosing a spherical shell ~1000…”
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Gamma Rays from Fast Black-hole Winds
ISSN: 0004-637X, 1538-4357, 1538-4357Published: Philadelphia The American Astronomical Society 01.11.2021Published in The Astrophysical journal (01.11.2021)“…Massive black holes at the centers of galaxies can launch powerful wide-angle winds that, if sustained over time, can unbind the gas from the stellar bulges of…”
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A cocoon of freshly accelerated cosmic rays detected by Fermi in the Cygnus superbubble
ISSN: 1095-9203, 1095-9203Published: United States 25.11.2011Published in Science (American Association for the Advancement of Science) (25.11.2011)“…The origin of Galactic cosmic rays is a century-long puzzle. Indirect evidence points to their acceleration by supernova shockwaves, but we know little of…”
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Early MAVEN Deep Dip campaign reveals thermosphere and ionosphere variability
ISSN: 1095-9203Published: United States 06.11.2015Published in Science (American Association for the Advancement of Science) (06.11.2015)“…The Mars Atmosphere and Volatile Evolution (MAVEN) mission, during the second of its Deep Dip campaigns, made comprehensive measurements of martian…”
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The ALMA REBELS Survey: The Cosmic H i Gas Mass Density in Galaxies at z ≈ 7
ISSN: 2041-8205, 2041-8213Published: Austin The American Astronomical Society 01.08.2022Published in Astrophysical journal. Letters (01.08.2022)“…The neutral atomic gas content of individual galaxies at large cosmological distances has until recently been difficult to measure due to the weakness of the…”
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COSMOS-Web: An Overview of the JWST Cosmic Origins Survey
ISSN: 0004-637X, 1538-4357, 1538-4357Published: Philadelphia The American Astronomical Society 01.09.2023Published in The Astrophysical journal (01.09.2023)“…We present the survey design, implementation, and outlook for COSMOS-Web, a 255 hr treasury program conducted by the James Webb Space Telescope in its first…”
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Flybys in protoplanetary discs – II. Observational signatures
ISSN: 0035-8711, 1365-2966, 1365-2966Published: Oxford University Press (OUP): Policy P - Oxford Open Option A 01.01.2020Published in Monthly notices of the Royal Astronomical Society (01.01.2020)“…Tidal encounters in star clusters perturb discs around young protostars. In Cuello et al., we detailed the dynamical signatures of a stellar flyby in both gas…”
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The Ophiuchus DIsc Survey Employing ALMA (ODISEA) – I: project description and continuum images at 28 au resolution
ISSN: 0035-8711, 1365-2966, 1365-2966Published: Oxford University Press (OUP): Policy P - Oxford Open Option A 01.01.2019Published in Monthly notices of the Royal Astronomical Society (01.01.2019)“…We introduce the Ophiuchus DIsc Survey Employing ALMA (ODISEA), a project aiming to study the entire population of Spitzer-selected protoplanetary discs in the…”
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Time delay lens modelling challenge
ISSN: 0035-8711, 1365-2966, 1365-2966Published: United Kingdom Oxford University Press 01.05.2021Published in Monthly notices of the Royal Astronomical Society (01.05.2021)“…ABSTRACT In recent years, breakthroughs in methods and data have enabled gravitational time delays to emerge as a very powerful tool to measure the Hubble…”
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The ALMA Spectroscopic Survey in the Hubble Ultra Deep Field: The Nature of the Faintest Dusty Star-forming Galaxies
ISSN: 0004-637X, 1538-4357Published: Philadelphia The American Astronomical Society 01.09.2020Published in The Astrophysical journal (01.09.2020)“…We present a characterization of the physical properties of a sample of 35 securely detected, dusty galaxies in the deep ALMA 1.2 mm image obtained as part of…”
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Kinematic detection of a planet carving a gap in a protoplanetary disk
ISSN: 2397-3366Published: London Nature Publishing Group 01.12.2019Published in Nature astronomy (01.12.2019)“…We still do not understand how planets form or why extrasolar planetary systems are so different from our own Solar System. However, the past few years have…”
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