Results 111 to 120 of about 282,229 (301)

On Topological Analysis of fs-LIMS Data. Implications for in Situ Planetary Mass Spectrometry. [PDF]

Front Artif Intell, 2021
Lukmanov RA, Riedo A, Wacey D, Ligterink NFW, Grimaudo V, Tulej M, de Koning C, Neubeck A, Wurz P.   +8 more
europepmc   +1 more source

Metallicities and Refined Stellar Parameters for 52 Cool Dwarfs with Transiting Planets and Planet Candidates

The Astrophysical Journal Supplement Series
We collected near-infrared spectra of 65 cool stars with the NASA Infrared Telescope Facility and analyzed them to calculate accurate metallicities and stellar parameters.
Rebecca Gore, Steven Giacalone, Courtney D. Dressing, Emma V. Turtelboom, Ashley Schroeder, Charles D. Fortenbach, Kevin K. Hardegree-Ullman, Jon K. Zink, Andrew W. Mayo, Joshua E. Schlieder, Jessie L. Christiansen   +10 more
doaj   +1 more source

Metallicity of the Massive Protoplanets Around HR 8799 If Formed by Gravitational Instability

, 2009
The final composition of giant planets formed as a result of gravitational instability in the disk gas depends on their ability to capture solid material (planetesimals) during their 'pre-collapse' stage, when they are extended and cold, and contracting ...
Alexander, Bodenheimer, Boley, Boss, Boss, Cameron, Cuzzi, Decampli, Dodson-Robinson, Durisen, Greenzweig, Guillot, Haghighipour, Helled, Helled, Helled, Henyey, Hubickyj, Ida, Johansen, Kalas, Klahr, Mamatsashvili, Marley, Marois, Mayer, Mayer, Mayer, Morbidelli, P. Bodenheimer, Pollack, Pollack, R. Helled, Rafikov, Rice, Saumon   +35 more
core   +1 more source

Wet Ball Milling Synthesis of Iron Oxide Nanoparticles for High‐Efficiency, Controllable Magnetic Hyperthermia in Ovarian Cancer

Advanced Materials Technologies, EarlyView.
A wet ball‐milling method is presented to synthesize iron magnetic nanoparticles and evaluate their magnetic hyperthermia performance. Optimized particles (∼270 nm, Ms ∼114 emu/g) achieve ∼50°C heating under clinically safe alternating magnetic fields, while pulsed‐field operation enables controlled temperature regulation (∼30°C).
Shahriar Mostufa, Bahareh Rezaei, Md Shahriar, Karla Mercedes Paz González, Anil Kumar, Changxue Xu, Yun Suk Eo, Ioannis H. Karampelas, Jenifer Gómez‐Pastora, Rui He, Kai Wu   +10 more
wiley   +1 more source

Dilution of accreted planetary matter in hot DA white dwarfs according to their mass

Astronomy & Astrophysics
Context. A large proportion of observed white dwarfs show evidence of debris disks, remnants of the former planetary systems, and/or signatures of heavy elements in their atmospheres, induced by the accretion of planetary matter onto their surfaces.
Deal M., Vauclair S., Charpinet S., Vauclair G.   +3 more
doaj   +1 more source

Star-planet magnetic interaction and evaporation of planetary atmospheres

, 2013
Stars interact with their close-in planets through radiation, gravitation, and magnetic fields. We investigate the energy input to a planetary atmosphere by reconnection between stellar and planetary magnetic fields and compare it to the energy input of ...
Lanza, A. F.
core   +1 more source

Elimination of Necking and Aspect Ratio Dependence in Uniaxial Actuators by Continuous Fiber Reinforcement

Advanced Robotics Research, EarlyView.
A novel carbon fiber reinforcement for dielectric elastomer actuators enhances actuation force while decoupling electromechanical performance from the actuator's aspect ratio. Unlike conventional fiber reinforcements, it enables a uniform planar stretch state along the entire actuator.
Markus Koenigsdorff, Stefania Konstantinidi, Anett Endesfelder, Petr Osipov, Johannes Mersch, E.‐F. Markus Vorrath, Martina Zimmermann, Yves Perriard, Gerald Gerlach   +8 more
wiley   +1 more source

Ancient planetary systems are orbiting a large fraction of white dwarf stars

, 2010
Infrared studies have revealed debris likely related to planet formation in orbit around ~30% of youthful, intermediate mass, main sequence stars.
B. Klein, B. Zuckerman, Bennett, Bergeron, Bowler, C. Melis, Chiang, Currie, D. Koester, Davis, Debes, Desharnais, Dufour, Dufour, Eisenstein, Farihi, Farihi, Gorlova, Jura, Jura, Jura, Jura, Jura, Jura, Jura, Jura, Kilic, Kilic, Kilic, Klein, Koester, Limoges, Lodders, M. Jura, Macintosh, McCook, Melis, Osterbrock, Reach, Rebull, Rhee, Sfeir, Sion, Su, Su, Tremblay, Trilling, Trujillo, von Hippel, Zuckerman, Zuckerman   +50 more
core   +1 more source

On the Dependence of Planetary Spin on Mass [PDF]

American Journal of Astronomy and Astrophysics, 2014
The recent direct spectroscopic observation of the spin of the young gas giant exoplanet ? Pictoris b was a powerful clue as to the general validity of the trend of the planetary spin with the mass even outside the Solar System. Nevertheless, the spin-mass relationship, which looks like to hold irrespective of the planet composition and radius, is ...
openaire   +2 more sources

Soft Robotic Snake with Tunable Undulatory Gait for Efficient Underwater Locomotion

Advanced Robotics Research, EarlyView.
This study designs an underwater soft snake robot using 3D‐printed soft actuators, controlled by specific signals to generate sinusoidal undulation. Results show a positive correlation between speed and swing amplitude, with optimal performance at 2/3π phase offset, PLA tail, 1.2 voltage growth rate, and 6s undulation period achieving a maximum speed ...
Huichen Ma, Junjie Zhou, Raye Yeow
wiley   +1 more source