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Brightness and Fluctuation of the Mid-Infrared Sky from AKARI Observations towards the North Ecliptic Pole
Brightness Fluctuation Mid-Infrared Sky AKARI Observations the North Ecliptic Pole
2012/2/21
We present the smoothness of the mid-infrared sky from observations by the Japanese infrared astronomical satellite AKARI. AKARI monitored the north ecliptic pole (NEP) during its cold phase with nine...
How peculiar was the recent extended minimum - A hint towards double minima
methods data analysis — Sun helioseismology — Sun
2011/8/24
In this paper, we address the controversy regarding the recent extended solar minimum as seen in helioseismic low- and intermediate-degree mode frequencies: studies from different instruments identify...
Towards Precision LSST Weak-Lensing Measurement - I: Impacts of Atmospheric Turbulence and Optical Aberration
Astronomical Instrumentation gravitational lensing dark matter cosmology
2010/11/12
The weak-lensing science of the Large Synoptic Survey Telescope (LSST)project drives the need to carefully model and separate the instrumental arti-facts from the intrinsic shear signal caused by grav...
GMRT observation towards detecting the Post-reionization 21-cm signal
GMRT the Post-reionization 21-cm signal
2011/1/10
We have analyzed 610 MHz GMRT observations towards detecting the redshifted 21-cm signal from z=1.32. The multi-frequency angular power spectrum C_l(Delta nu) is used to characterize the statistical p...
Towards a complete treatment of the cosmological recombination problem
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2011/1/7
A new approach to the cosmological recombination problem is presented, which completes our previous analysis on the effects of two-photon processes during the epoch of cosmological hydrogen recombinat...
Evolution of massive Be and Oe stars at low metallicity towards the Long Gamma Ray bursts\footnote{Based on ESO runs 069.D-0275(A), 072.D-0245(A) and (C).}
Solar and Stellar Astrophysics (astro-ph.SR)
2011/1/6
Several studies have shown recently that at low metallicity B-type stars rotate faster than in environments of high metallicity. This is a typical case in the SMC. As a consequence, it is expected tha...
Towards the Rosetta Stone of planet formation
Earth and Planetary Astrophysics (astro-ph.EP)
2011/1/5
Transiting exoplanets (TEPs) observed just about 10 Myrs after formation of their host systems may serve as the Rosetta Stone for planet formation theories. They would give strong constraints on sever...
Towards a fully consistent Milky Way disc model - II. The local disc model and SDSS data of the NGP region
Galaxy Astrophysics (astro-ph.GA)
2010/12/31
We have used the self-consistent vertical disc models of the solar neighbourhood presented in Just & Jahreiss (2010), which are based on different star formation histories (SFR) and fit the local kine...
Towards a new full-sky list of radial velocity standard stars
Galaxy Astrophysics (astro-ph.GA) Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/23
The calibration of the Radial Velocity Spectrometer (RVS) onboard the ESA Gaia satellite (to be launched in 2012) requires a list of standard stars with a radial velocity (RV) known with an accuracy o...
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...
Towards self-consistent spectral models for outbursting Discs in am cvn binaries
self-consistent spectral models Discs am cvn binaries
2009/6/17
Towards self-consistent spectral models for outbursting Discs in am cvn binaries。
Detection of a Collimated Jet towards a High-Mass Protostar
Collimated Jet High-Mass Protostar
2009/6/15
Detection of a Collimated Jet towards a High-Mass Protostar。
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。