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Starspots on the fastest rotators in the Beta Pic moving group
Stars: rotation Stars: late-typ individual HD 199143, CD− 64◦ 1208 activity starspots
2011/10/20
We carried out high-resolution spectroscopy and BV(I)_C photometric monitoring of the two fastest late-type rotators in the nearby Beta Pictoris moving group, HD199143 (F7V) and CD-641208 (K7V). The m...
The Solar neighbourhood in angle coordinates: the Hyades moving group
solar neighbourhood – Galaxy: kinematics and dynamics – methods: data analysis
2011/9/29
I investigate the suggestion that the Hyades moving group in the Solar neighbourhood is the result of a recent inner Lindblad resonance. I use dynamical "torus" models of the Galaxy to understand the ...
The Moving Hotspots model for kHz QPOs in accreting neutron stars
QPO plasma LMXB accretion
2010/11/9
3D MHD simulation of accretion onto neutron stars have shown in the last few years that
the footprint (hotspot) of the accretion flow changes with time. Two different kinds of accretion,namely the fu...
Bipolar clump ejection from a moving source。
Dynamical 3-d evolution of nearby young moving groups。
Searching for Moving Groups with HIPPARCOS。
AN ANALYSIS OF NINE MOVING-CLUSTERS。