Title of article :
On hydrodynamic shear turbulence in stratified Keplerian disks: Transient growth of small-scale 3D vortex mode perturbations
Author/Authors :
Zahn، J.-P. نويسنده , , Tevzadze، A. G. نويسنده , , Chagelishvili، G. D. نويسنده , , Chanishvili، R. G. نويسنده , , Lominadze، J. G. نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2003
Abstract :
We present evidence of X-ray rotational modulation on VXR45, a young fast rotator star, member of IC 2391. It is a dG9 spectral type star whose rotational period and X-ray luminosity make it a supersaturated star. Our X-ray observation, made with EPIC/PN on XMM-Newton, covers about two photometric rotational periods. The detection of X-ray rotational modulation implies the presence of structural inhomogeneities. Possible interpretations are presented and discussed.
Keywords :
accretion , accretion disks , hydrodynamics , turbulence , instabilities
Journal title :
Astronomy and Astrophysics
Journal title :
Astronomy and Astrophysics
