Search Results - "Sickafoose, A A"
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Characterization of material around the centaur (2060) Chiron from a visible and near-infrared stellar occultation in 2011
Published in Monthly notices of the Royal Astronomical Society (01-01-2020)“…ABSTRACT The centaur (2060) Chiron exhibits outgassing behaviour and possibly hosts a ring system. On 2011 November 29, Chiron occulted a fairly bright star…”
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Experimental investigations on photoelectric and triboelectric charging of dust
Published in Journal of Geophysical Research (01-05-2001)“…Experiments are performed pertaining to the charging of single dust particles in space due to three effects: (1) photoemission, (2) the collection of electrons…”
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Experimental levitation of dust grains in a plasma sheath
Published in Journal of Geophysical Research - Space Physics (01-11-2002)“…Dust grains have been observed to levitate above the surface of the Moon and as spokes in Saturn's rings. In order to gain a better understanding of these…”
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The OmegaWhite survey for short-period variable stars – III: follow-up photometric and spectroscopic observations
Published in Monthly notices of the Royal Astronomical Society (11-02-2017)“…We present photometric and spectroscopic follow-up observations of short-period variables discovered in the OmegaWhite survey, a wide-field high-cadence g-band…”
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Photoelectric charging of dust particles in vacuum
Published in Physical review letters (26-06-2000)“…Photoelectric charging measurements are presented of dust grains in vacuum for isolated grains and for grains near a photoemissive surface. Isolated grains…”
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Numerical Simulations of (10199) Chariklo’s Rings with a Resonant Perturber
Published in The planetary science journal (01-02-2024)“…Abstract The discovery of two thin rings around the ∼ 250 km sized Centaur Chariklo was the first of its kind, and their formation and evolutionary mechanisms…”
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Astronomy: Ring detected around a dwarf planet
Published in Nature (London) (12-10-2017)Get full text
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Ring detected around a dwarf planet
Published in Nature (London) (12-10-2017)“…Observations of the distant dwarf planet Haumea constrain its size, shape and density, and reveal an encircling planetary ring. The discovery suggests that…”
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Stellar Occultations in the Era of Data Mining and Modern Regression Models: Using Gaussian Processes to Analyze Light Curves and Improve Predictions
Published in The planetary science journal (01-04-2024)“…Abstract Gaussian process (GP) regression is a nonparametric Bayesian approach that has been used successfully in various astronomical domains, especially in…”
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Doomed Worlds. I. No New Evidence for Orbital Decay in a Long-term Survey of 43 Ultrahot Jupiters
Published in The planetary science journal (01-07-2024)“…Abstract Ultrahot Jupiters (UHJs) are likely doomed by tidal forces to undergo orbital decay and eventual disruption by their stars, but the timescale over…”
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The Search for Topographic Correlations within the Reiner Gamma Swirl
Published in The planetary science journal (01-11-2023)“…Abstract Lunar swirls have been traditionally considered to be unaffected by topographic changes. Yet, correlations between areas of high albedo and lower…”
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Material around the Centaur (2060) Chiron from the 2018 November 28 UT Stellar Occultation
Published in The planetary science journal (01-11-2023)“…A stellar occultation of Gaia DR3 2646598228351156352 by the Centaur (2060) Chiron was observed from the South African Astronomical Observatory on 2018…”
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A Taxonomic Study of Asteroid Families from KMTNet-SAAO Multi-band Photometry
Published 19-03-2019“…We present here multi-band photometry for over 2000 Main-belt asteroids. For each target we report the probabilistic taxonomy using the measured V-R and V-I…”
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Investigating Taxonomic Diversity within Asteroid Families through ATLAS Dual-Band Photometry
Published 19-02-2020“…We present here the c-o colors for identified Flora, Vesta, Nysa-Polana, Themis, and Koronis family members within the historic data set (2015-2018) of the…”
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Measurements of electrical discharges in Martian regolith simulant
Published in IEEE transactions on plasma science (01-04-2001)“…Due to the prevalence of Martian dust devils and dust storms, an understanding of the underlying physics of electrical discharges in Martian dust is critical…”
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Taxonomy and Light-Curve Data of 1000 Serendipitously Observed Main-Belt Asteroids
Published 10-05-2018“…We present VRI spectrophotometry of 1003 Main-Belt Asteroids (MBAs) observed with the Sutherland, South Africa, node of the Korea Microlensing Telescope…”
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Characterization of material around the centaur (2060) Chiron from a visible and near-infrared stellar occultation in 2011
Published 18-11-2019“…The centaur (2060) Chiron has exhibited outgassing behaviour and possibly hosts a ring system. On 2011 November 29, Chiron occulted a fairly bright star (R…”
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A stellar occultation by Vanth, a satellite of (90482) Orcus
Published in Icarus (New York, N.Y. 1962) (01-02-2019)“…•This is the first recorded multi-chord stellar occultation by Orcus’ satellite Vanth.•For a spherical Vanth, the diameter is constrained to 443 ± 10 km.•A 3-σ…”
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A stellar occultation by Vanth, a satellite of (90482) Orcus
Published 30-10-2018“…A stellar occultation by the large trans-Neptunian object (90482) Orcus was predicted to occur on 2017 March 07. Observations were made at five sites in North…”
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Characterization of Near-Earth Asteroids using KMTNet-SAAO
Published 11-09-2017“…We present here VRI spectrophotometry of 39 near-Earth asteroids (NEAs) observed with the Sutherland, South Africa, node of the Korea Microlensing Telescope…”
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