Search Results - "DE GRAAUW, T"
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Simulations of M87 and Sgr A imaging with the Millimetron Space Observatory on near-Earth orbits
Published in Monthly notices of the Royal Astronomical Society (01-02-2021)“…ABSTRACT High-resolution imaging of supermassive black hole shadows is a direct way to verify the theory of general relativity under extreme gravity…”
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2
External supply of oxygen to the atmospheres of the giant planets
Published in Nature (London) (11-09-1997)“…The atmospheres of the giant planets are reducing, being mainly composed of hydrogen, helium and methane. But the rings and icy satellites that surround these…”
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3
Low-temperature crystallization of silicate dust in circumstellar disks
Published in Nature (London) (07-10-1999)“…Silicate dust in the interstellar medium is observed to be amorphous, yet silicate dust in comets and interplanetary dust particles is sometimes partially…”
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4
Water in Star-forming Regions with the Herschel Space Observatory (WISH). I. Overview of Key Program and First Results
Published in Publications of the Astronomical Society of the Pacific (2011)“…Water In Star-forming regions with Herschel (WISH) is a key program on the Herschel Space Observatory designed to probe the physical and chemical structures of…”
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5
Evaluation of integrated tuning elements with SIS devices
Published in IEEE transactions on microwave theory and techniques (01-04-1993)“…The resonances of integrated tuning stubs in combination with SIS (superconductor-insulator-superconductor) detectors are measured and calculated. The…”
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6
An integrated 500 GHz receiver with superconducting local oscillator
Published in IEEE transactions on applied superconductivity (01-06-1997)“…An integrated quasioptical receiver consisting of a planar double-dipole antenna, SIS mixer and superconducting Flux-Flow Oscillator (FFO) with matching…”
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7
An oxygen-rich dust disk surrounding an evolved star in the Red Rectangle
Published in Nature (London) (01-02-1998)Get full text
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8
Integrated sub-MM wave receivers
Published in IEEE transactions on applied superconductivity (01-06-1995)“…The concept of a fully integrated superconducting receiver looks very attractive for sub-mm space astronomy where low weight, power consumption and volume are…”
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9
Water and related chemistry in the solar system. A guaranteed time key programme for Herschel
Published in Planetary and space science (01-11-2009)“…“Water and related chemistry in the Solar System” is a Herschel Space Observatory Guaranteed-Time Key Programme. This project, approved by the European Space…”
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Performance of a two-junction array SIS-mixer operating around 345 GHz
Published in IEEE transactions on microwave theory and techniques (1993)“…The authors have made a detailed study of the gain and noise of a SIS (superconductor-insulator-superconductor) heterodyne receiver at 345 GHz. An array of two…”
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11
An oxygen-rich dust disk surrounding an evolved star in the Red Rectangle
Published in Nature (London) (26-02-1998)“…The Red Rectangle is the prototype of a class of carbon-rich reflection nebulae surrounding low-mass stars in the final stages of evolution. The central star…”
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12
Detection of Abundant CO2 Ice in the Quiescent Dark Cloud Medium toward Elias 16
Published in The Astrophysical journal (10-05-1998)Get full text
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13
Variations in Line Profiles from Photosphere to Chromosphere
Published in Nature (London) (20-06-1970)Get full text
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14
The Herschel-Heterodyne Instrument for the Far-Infrared (HIFI)
Published in Infrared and Millimeter Waves, Conference Digest of the 2004 Joint 29th International Conference on 2004 and 12th International Conference on Terahertz Electronics, 2004 (2004)“…The Heterodyne Instrument for the Far-Infrared (HIFI) is a single sky-pixel, high-resolution (>300.000), spectrometer for ESA's Herschel Space Observatory. The…”
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Conference Proceeding -
15
Discovery of a massive equatorial torus in the η Carinae stellar system
Published in Nature (London) (02-12-1999)“…The enigmatic object η Carinae is believed to represent an important, but short-lived, unstable phase in the life of the most massive stars, occurring shortly…”
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16
The ISO-SWS 2.4-45.2 Micron Spectrum toward Orion IRc2
Published in The Astrophysical journal (01-08-1998)Get full text
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17
Space infrared/submm telescopes: Past and future
Published in Advances in space research (01-01-2000)“…This paper gives an overview of the main past and future space experiments for infrared and sub-millimetre astronomy. The scientific objectives for these…”
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18
Simulations of M87 and Sgr A Imaging with the Millimetron Space Observatory on near-Earth orbits
Published 17-06-2020“…High resolution imaging of supermassive black holes shadows is a direct way to verify the theory of general relativity at extreme gravity conditions. Very Long…”
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19
Remote sounding of the Martian dust from ISO spectroscopy in the 2.7 mu m CO sub(2) bands
Published in Planetary and space science (01-01-2002)“…This paper presents a study of Martian aerosols based on the spectral observations near 2.7 mu m. Simulations by Titov et al. showed that the depth and the…”
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20
Remote sounding of the Martian dust from ISO spectroscopy in the [formula omitted] bands
Published in Planetary and space science (2002)“…This paper presents a study of Martian aerosols based on the spectral observations near 2.7 μm . Simulations by Titov et al. [Planet. Space Sci. 48 (2000) 67]…”
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