1.8k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of Colorado BoulderUS825 papers
- Goddard Space Flight CenterUS282 papers
- Centre National de la Recherche ScientifiqueFR225 papers
- University of California, BerkeleyUS167 papers
- University of ArizonaUS129 papers
- Joint Institute for Laboratory AstrophysicsUS121 papers
- Center for Astrophysics Harvard & SmithsonianUS119 papers
- University of MichiganUS106 papers
- Space Telescope Science InstituteUS105 papers
- KTH Royal Institute of TechnologySE103 papers
- Stockholm UniversitySE103 papers
- Southwest Research InstituteUS99 papers
87 papers · 1 filter
Magnetospheric Multiscale Dayside Reconnection Electron Diffusion Region Events
J. M. Webster, J. L. Burch, P. H. Reiff +21
We have used the high-resolution data of the Magnetospheric Multiscale (MMS) mission dayside phase to identify twenty-one previously unreported encounters with the electron diffusi…
Localized Oscillatory Dissipation in Magnetopause Reconnection
J. L. Burch, R. E. Ergun, P. A. Cassak +26
Data from the NASA Magnetospheric Multiscale (MMS) mission are used to investigate asymmetric magnetic reconnection at the dayside boundary between the Earth's magnetosphere and th…
Transport of internetwork magnetic flux elements in the solar photosphere
Piyush Agrawal, Mark P. Rast, Milan Gosic +2
The motions of small-scale magnetic flux elements in the solar photosphere can provide some measure of the Lagrangian properties of the convective flow. Measurements of these motio…
A disrupted molecular torus around Eta Carinae as seen in 12CO with ALMA
Nathan Smith, Adam Ginsburg, John Bally
We present Atacama Large Millimeter Array (ALMA) observations of CO21 emission from circumstellar material around the massive star ~Carinae. These observations reveal…
The close circumstellar environment of Betelgeuse - V. Rotation velocity and molecular envelope properties from ALMA
Pierre Kervella, Leen Decin, Anita M. S. Richards +6
We observed Betelgeuse using ALMA's extended configuration in band 7 (f~340 GHz, λ~0.88 mm), resulting in a very high angular resolution of 18 mas. Using a solid body rotation mode…
Parameterizations of Chromospheric Condensations in dG and dMe Model Flare Atmospheres
Adam F. Kowalski, Joel C. Allred
The origin of the near-ultraviolet and optical continuum radiation in flares is critical for understanding particle acceleration and impulsive heating in stellar atmospheres. Radia…
Diffusion-plus-drift models for the mass leakage from centrifugal magnetospheres of magnetic hot-stars
Stanley P. Owocki, Steven R. Cranmer
In the subset of luminous, early-type stars with strong, large-scale magnetic fields and moderate to rapid rotation, material from the star's radiatively driven stellar wind outflo…
Evolution of hydromagnetic turbulence from the electroweak phase transition
Axel Brandenburg, Tina Kahniashvili, Sayan Mandal +3
We present new simulations of decaying hydromagnetic turbulence for a relativistic equation of state relevant to the early universe. We compare helical and nonhelical cases either…
Effect of turbulence on collisional growth of cloud droplets
Xiang-Yu Li, A. Brandenburg, G. Svensson +3
We investigate the effect of turbulence on the collisional growth of um-sized droplets through high- resolution numerical simulations with well resolved Kolmogorov scales, assuming…
Laminar and turbulent dynamos in chiral magnetohydrodynamics. II. Simulations
Jennifer Schober, Igor Rogachevskii, Axel Brandenburg +4
Using direct numerical simulations (DNS), we study laminar and turbulent dynamos in chiral magnetohydrodynamics (MHD) with an extended set of equations that accounts for an additio…
MMS observation of asymmetric reconnection supported by 3-D electron pressure divergence
Kevin J. Genestreti, Ali Varsani, Jim L. Burch +20
We identify a dayside electron diffusion region (EDR) encountered by the Magnetospheric Multiscale (MMS) mission and estimate the terms in generalized Ohm's law that controlled ene…
Evidence of sub-surface energy storage in comet 67P from the outburst of 2016 July 3
J. Agarwal, V. Della Corte, P. D. Feldman +67
On 3 July 2016, several instruments on board ESA's Rosetta spacecraft detected signs of an outburst event on comet 67P, at a heliocentric distance of 3.32 AU from the sun, outbound…
Evolutionary Constraints on the Long-period Subdwarf B Binary PG 1018-047
J. Deca, J. Vos, P. Németh +4
We have revisited the sdB+K-star long-period binary PG 1018-047 based on 20 new high-resolution VLT/UVES spectra that provided regular coverage over a period of more than 26 months…
LLAMA: Normal star formation efficiencies of molecular gas in the centres of luminous Seyfert galaxies
D. J. Rosario, L. Burtscher, R. I. Davies +23
Using new APEX and JCMT spectroscopy of the CO 2-1 line, we undertake a controlled study of cold molecular gas in moderately luminous Active Galactic Nuclei (AGN) and inactive gala…
LLAMA: Nuclear stellar properties of Swift BAT AGN and matched inactive galaxies
Ming-Yi Lin, R. I. Davies, E. K. S. Hicks +20
In a complete sample of local 14-195 keV selected AGNs and inactive galaxies, matched by their host galaxy properties, we study the spatially resolved stellar kinematics and lumino…
Transition from axi- to nonaxisymmetric dynamo modes in spherical convection models of solar-like stars
Mariangela Viviani, Jörn Warnecke, Maarit J. Käpylä +5
We seek to understand the transition from nearly axisymmetric configurations at solar rotation rates to nonaxisymmetric configurations for rapid rotation using 3D numerical simulat…
Large-scale dynamos in rapidly rotating plane layer convection
P. J. Bushby, P. J. Käpylä, Y. Masada +4
Context: Convectively-driven flows play a crucial role in the dynamo processes that are responsible for producing magnetic activity in stars and planets. It is still not fully unde…
Center-to-Limb Variability of Hot Coronal EUV Emissions During Solar Flares
Edward Thiemann, Phillip Chamberlin, Francis Eparvier +1
It is generally accepted that densities of quiet sun and active region plasma are sufficiently low to justify the optically thin approximation, and it is commonly used in the analy…
The dynamo effect in decaying helical turbulence
Axel Brandenburg, Tina Kahniashvili, Sayan Mandal +3
We show that in decaying hydromagnetic turbulence with initial kinetic helicity, a weak magnetic field eventually becomes fully helical. The sign of magnetic helicity is opposite t…
Quantifying Operational Constraints of Low-Latency Telerobotics for Planetary Surface Operations
Benjamin J. Mellinkoff, Matthew M. Spydell, Wendy Bailey +1
NASA's SLS and Orion crew vehicle will launch humans to cislunar space to begin the new era of space exploration. NASA plans to use the Orion crew vehicle to transport humans betwe…
Demarcating circulation regimes of synchronously rotating terrestrial planets within the habitable zone
Jacob Haqq-Misra, Eric. T. Wolf, Manoj Joshi +2
We investigate the atmospheric dynamics of terrestrial planets in synchronous rotation within the habitable zone of low-mass stars using the Community Atmosphere Model (CAM). The s…
The first 62 AGN observed with SDSS-IV MaNGA - I: their characterization and definition of a control sample
Sandro B. Rembold, Jáderson S. Shimoia, Thaisa Storchi-Bergmann +16
We report the characterization of the first MaNGA Active Galactic Nuclei (AGN) hosts in the Fifth Product Launch (MPL-5) and the definition of a control sample of non-active g…
In search of cool flow accretion onto galaxies where does the disk gas end?
Joss Bland-Hawthorn, Phil Maloney, Alex Stephens +2
The processes taking place in the outermost reaches of spiral disks (the 'proto-disk') are intimately connected to the build-up of mass and angular momentum in galaxies. The thinne…
Target Selection for the SDSS-IV APOGEE-2 Survey
G. Zasowski, R. E. Cohen, S. D. Chojnowski +34
APOGEE-2 is a high-resolution, near-infrared spectroscopic survey observing roughly 300,000 stars across the entire sky. It is the successor to APOGEE and is part of the Sloan Digi…