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NASA selects Penn State to lead next-generation planet finder
NASA Penn State lead next-generation planet finder
2016/4/13
A Penn State-led research group has been selected by NASA's Astrophysics Division to build a $10-million, cutting-edge instrument to detect planets orbiting stars outside our solar system. The team, l...
Second-generation microlensing planet surveys: a realistic simulation
surveys – gravitational lensing: micro – methods: statistical – binaries: general – planetary systems – Galaxy: stellar content
2011/10/20
Microlensing surveys, which have discovered about a dozen extrasolar planets to date, have focused on the small minority of high-magnification lensing events, which have a high sensitivity to planet d...
Large-scale magnetic field generation via the Kelvin-Helmholtz instability
Large-scale magnetic field generation Kelvin-Helmholtz instability
2011/10/18
We present the first self-consistent three-dimensional particle-in-cell simulations of the Kelvin-Helmholtz instability (KHI) in an unmagnetized scenario. We discuss the main features, including densi...
Prospects for Direct Detection of Inflationary Gravitational Waves by Next Generation Interferometric Detectors
Direct Detection Inflationary Gravitational Waves Next Generation Interferometric Detectors
2011/1/11
We study the potential impact of detecting the inflationary gravitational wave background by the future space-based gravitational wave detectors, such as DECIGO and BBO. The signal-to-noise ratio of e...
Photon spectra from quark generation by WIMPs
Dark matter indirect searches WIMPs photon spectra and quark pairs annihilation
2010/11/16
If the present dark matter (DM) in the Universe annihilates into Standard Model (SM)particles, it must contribute to the gamma ray fluxes that are detected on the Earth. The magnitude of such contribu...
The new generation CMB B-mode polarization experiment: POLARBEAR
new generation CMB B-mode polarization experiment
2010/11/10
We describe the Cosmic Microwave Background (CMB) polarization experiment called Po-larbear. This experiment will use the dedicated Huan Tran Telescope equipped with a powerful 1,200-bolometer array r...
Faint dwarf galaxies in the Next Generation Virgo cluster Survey
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2011/1/6
The Next Generation Virgo Cluster Survey (NGVS) is a CFHT Large Program that is using the wide field of view capabilities of the MegaCam camera to map the entire Virgo Cluster from its core to virial ...
The Molecular Outflows in the rho Ophiuchi Main Cloud: Implications For Turbulence Generation
Solar and Stellar Astrophysics (astro-ph.SR) Galaxy Astrophysics (astro-ph.GA)
2010/12/29
We present the results of CO (J=3-2) and CO (J=1-0) mapping observations toward the active cluster forming clump, L1688, in the rho Ophiuchi molecular cloud.
ZEUS-2: a second generation submillimeter grating spectrometer for exploring distant galaxies
Instrumentation and Methods for Astrophysics (astro-ph.IM)
2010/12/27
ZEUS-2, the second generation (z)Redshift and Early Universe Spectrometer, like its predecessor is a moderate resolution (R~1000) long-slit, echelle grating spectrometer optimized for the detection of...
Towards a Holographic Description of Inflation and Generation of Fluctuations from Thermodynamics
Verlinde conjectured entropic force gravity
2010/3/19
Recently, Verlinde conjectured that gravity may be an entropic force, arising from thermodynamics on the holographic screen. We investigate the implications of the entropic force formalism for inflati...
Statistics and multiwavelength synthesis models：towards a new generation of synthesis models
multiwavelength synthesis synthesis models
2009/6/12
Statistics and multiwavelength synthesis models：towards a new generation of synthesis models。
Necessary conditions for the generation of acoustic solitons in magnetospheric and space plasmas with hot ions
acoustic solitons space plasmas magnetospheric
2009/5/27
Necessary conditions are discussed for the possible generation of large solitary acoustic modes in plasmas with one or more ion species which are hotter than some or all of the electron species. The a...