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20012009
most citedThe saturation of SASI by parasitic instabilities

47 citations · 184 across the 9 of their papers we have counts for

collaborators

9 papers

astro-ph.SR2009★ 47 cited

The saturation of SASI by parasitic instabilities

Jerome Guilet, Jun'ichi Sato, Thierry Foglizzo

The Standing Accretion Shock Instability (SASI) is commonly believed to be responsible for large amplitude dipolar oscillations of the stalled shock during core collapse, potential…

astro-ph2008★ 28 cited

A simple toy model of the advective-acoustic instability. II. Numerical simulations

Jun'ichi Sato, Thierry Foglizzo, Sebastien Fromang

The physical processes involved in the advective-acoustic instability are investigated with 2D numerical simulations. Simple toy models, developped in a companion paper, are used t…

astro-ph2008

The Impact of a Supernova Explosion in a Very Massive Binary

Jun'ichi Sato, Masayuki Umemura, Keisuke Sawada

We consider the effect of a supernova (SN) explosion in a very massive binary that is expected to form in a portion of Population III stars with the mass higher than 100.…

astro-ph2006★ 15 cited

Imprint of Gravitational Lensing by Population III Stars in Gamma Ray Burst Light Curves

Y. Hirose, M. Umemura, A. Yonehara +1

We propose a novel method to extract the imprint of gravitational lensing by Pop III stars in the light curves of Gamma Ray Bursts (GRBs). Significant portions of GRBs can originat…

astro-ph2004★ 6 cited

Gas stripping by radiation drag from an interstellar cloud

Jun'ichi Sato, Masayuki Umemura, Keisuke Sawada +1

We perform two-dimensional hydrodynamic simulation on the gas stripping by radiation drag from an interstellar cloud moving in uniform radiation fields. To properly include relativ…

astro-ph2003★ 36 cited

On the Photometric Accuracy of RHESSI Imaging and Spectrosocopy

Markus J. Aschwanden, Thomas R. Metcalf, Sam Krucker +4

We compare the photometric accuracy of spectra and images in flares observed with the Ramaty High Energy Solar Spectroscopic Imager (RHESSI)}spacecraft. We test the accuracy of the…