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- University of California, BerkeleyUS44 papers
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- National Institute for AstrophysicsIT32 papers
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20 papers · 1 filter
Neptune on tiptoes: dynamical histories that preserve the cold classical Kuiper belt
Schuyler Wolff, Rebekah I. Dawson, Ruth A. Murray-Clay
The current dynamical structure of the Kuiper belt was shaped by the orbital evolution of the giant planets, especially Neptune, during the era following planet formation, when the…
SN 2009E: a faint clone of SN 1987A
A. Pastorello, M. L. Pumo, H. Navasardyan +26
In this paper we investigate the properties of SN 2009E, which exploded in a relatively nearby spiral galaxy (NGC 4141) and that is probably the faintest 1987A-like supernova disco…
Recent Advances in Understanding Particle Acceleration Processes in Solar Flares
Valentina V. Zharkova, Karpar Arzner, Arnold O. Benz +11
We review basic theoretical concepts in particle acceleration, with particular emphasis on processes likely to occur in regions of magnetic reconnection. Several new developments a…
Deducing Electron Properties From Hard X-Ray Observations
E. P. Kontar, J. C. Brown, A. G. Emslie +11
X-radiation from energetic electrons is the prime diagnostic of flare-accelerated electrons. The observed X-ray flux (and polarization state) is fundamentally a convolution of the…
The 6dF Galaxy Survey: Stellar Population Trends Across and Through the Fundamental Plane
Christopher M. Springob, Christina Magoulas, Rob Proctor +6
We present results from an analysis of stellar population parameters for 7132 galaxies in the 6dFGS Fundamental Plane (FP) sample. We bin the galaxies along the axes, , ,…
Evidence for Type Ia Supernova Diversity from Ultraviolet Observations with the Hubble Space Telescope
Xiaofeng Wang, Lifan Wang, Alexei V. Filippenko +93
We present ultraviolet (UV) spectroscopy and photometry of four Type Ia supernovae (SNe 2004dt, 2004ef, 2005M, and 2005cf) obtained with the UV prism of the Advanced Camera for Sur…