Results 91 to 100 of about 122,293 (270)

Photometry and Models of Seven Main-Belt Asteroids

Universe
The China Near-Earth Object Survey Telescope (CNEOST) conducted four photometric surveys from 2015 to 2018 using image processing and aperture photometry techniques to obtain extensive light curve data on asteroids. The second-order Fourier series method
Jun Tian, Haibin Zhao, Bin Li, Yongxiong Zhang, Jian Chen, Leonid Elenin, Xiaoping Lu   +6 more
doaj   +1 more source

Limbal Approach Phacovitrectomy to Treat Cataract with Clinically Significant Asteroid Hyalosis—Presentation of the Technique and Preliminary Results [PDF]

, 2021
Agnieszka Rozegnał‐Madej, Aleksandra Właź, Tomasz Żarnowski   +2 more
openalex   +1 more source

Mining the ESO WFI and INT WFC archives for known Near Earth Asteroids. Mega-Precovery software

, 2013
The ESO/MPG WFI and the INT WFC wide field archives comprising 330,000 images were mined to search for serendipitous encounters of known Near Earth Asteroids (NEAs) and Potentially Hazardous Asteroids (PHAs).
Badea, M., Badescu, T., Birlan, M., Char, F., Comsa, I., Constantinescu, M., Lacatus, D., Opriseanu, C., Paraschiv, A., Popescu, M., Sonka, A., Suciu, O., Tudorica, A., Vaduvescu, O., Vidican, D.   +14 more
core   +3 more sources

Expelled by the Antarctic ice: Evolutionary history of the tribe Cunonieae (Cunoniaceae)

Journal of Systematics and Evolution, EarlyView.
Multiple fossil calibration points reveal recent radiations and biogeographical history of the Cunonieae tribe. The most densely sampled phylogeny allowed to infer Antarctica and Patagonia as areas of origin, confirming the reestablishment of Pterophylla and revealing the northward movement of Weinmannia into the tropical Andes. Conflicting plastid and
Francisco Fajardo‐Gutiérrez, Mariasole Calbi, Markus S. Dillenberger, Sebastian Tello, Alfredo Fuentes, Nora H. Oleas, Ricardo A. Segovia, Christine E. Edwards, Yohan Pillon, James E. Richardson, Thomas Borsch   +10 more
wiley   +1 more source

Asteroid Mass Estimation by Mutual Perturbations During Close Encounters After Gaia Focused Product Release

The Astronomical Journal
Mutual perturbations between asteroids during close encounters allow the estimation of their masses using precise astrometric observations. We use all astrometry reported to the Minor Planet Center, high-precision astrometry from ESA’s Gaia Focused ...
Oscar Fuentes-Muñoz, Davide Farnocchia, Jon D. Giorgini, Ryan S. Park   +3 more
doaj   +1 more source

Effect of rotational disruption on the size-frequency distribution of the Main Belt asteroid population

, 2014
The size distribution of small asteroids in the Main Belt is assumed to be determined by an equilibrium between the creation of new bodies out of the impact debris of larger asteroids and the destruction of small asteroids by collisions with smaller ...
Davis, Donald R., Jacobson, Seth A., Marzari, Francesco, Rossi, Alessandro, Scheeres, Daniel J.   +4 more
core   +1 more source

The nature and formation of silica minerals in eucrite meteorites: Insight into the protoplanetary magma crystallization

Meteoritics &Planetary Science, EarlyView.
Abstract Silica polymorphs in meteorites provide critical constraints on crystallization processes associated with thermal activity in the early solar system. A detailed investigation of silica polymorphs in eucrites (the largest group of achondrites) using cathodoluminescence imaging and laser‐Raman spectroscopy revealed significant variations in the ...
Rei Kanemaru, Akira Yamaguchi, Naoya Imae, Ryoga Maeda, Makoto Kimura, Kenji Horie, Takashi Mikouchi, Masaaki Miyahara, Masahiro Yasutake, Atsushi Takenouchi, Haruka Ono, Aiko Nakato, Junko Isa, Tomohiro Usui, Hirotsugu Nishido   +14 more
wiley   +1 more source

MAIN BELT ASTEROIDS WITH WISE/NEOWISE. I. PRELIMINARY ALBEDOS AND DIAMETERS [PDF]

, 2011
We present initial results from the Wide-field Infrared Survey Explorer (WISE), a four-band all-sky thermal infrared survey that produces data well suited for measuring the physical properties of asteroids, and the NEOWISE enhancement to the WISE mission
J. Masiero, A. Mainzer, T. Grav, J. Bauer, R. Cutri, J. Dailey, P. Eisenhardt, R. Mcmillan, T. Spahr, M. Skrutskie, D. Tholen, R. Walker, E. L. Wright, E. DeBaun, E. DeBaun, D. Elsbury, D. Elsbury, T. Gautier, S. Gomillion, S. Gomillion, A. Wilkins, A. Wilkins   +21 more
semanticscholar   +1 more source

A Large Mass on the Thigh

JEADV Clinical Practice, EarlyView.
Claudine Howard‐James, Caoimhe Brennan, Gregg Murray, Amy Gillis, Stephen Crowther, Kevin Molloy   +5 more
wiley   +1 more source

Investigation and reclassification of four mesosiderites—Implications for their formation

Meteoritics &Planetary Science, EarlyView.
Abstract Mesosiderites are rare, differentiated meteorites, so‐called stony‐iron meteorites—they are impact breccias composed of an unusual mix of crustal basalt and pyroxenite, core‐derived metal, but no mantle materials. This odd mixture makes their origin enigmatic and has inspired many different formation theories over the last several decades ...
Gabriel Zachén, Carl Alwmark, Sanna Alwmark, Ludovic Ferrière, Roger H. Hewins   +4 more
wiley   +1 more source