D-111 Be/X 線連星における Be 星ガス円盤と中性子星の相互作用 : 軌道傾斜角の影響

スポンサーリンク

概要

• 論文の詳細を見る

• We report the results from three dimensional SPH simulations of the interaction between the Be-star disk and the neutron star in mislaigned Be/X-ray binaries. To model the gas ejection process from the Be star, we inject particles with the Keplerian rotation velocity at a radius just outside the star. Both Be star and neutron star are treated as sink particles. We find that, as in coplanar systems, the Be-star disk is effectively truncated if the Shakura-Sunyaev's viscosity parameter αss ≪ 1. Therefore, in general there is no passage of the neutron star through the disk. We also find that, in misaligned systems, there are two peaks per orbit in the mass capture rate. The secondary peak becomes more remarkable for larger angle of misalignment. These features explain observed X-ray light curves of some Be/X-ray binaries.

• 2003-07-28

著者

• 岡崎 敦男

  北海学園大学工学部

関連論文

• D-112 Be/X 線連星における中性子星周囲に形成される降着円盤の進化と構造
• D-111 Be/X 線連星における Be 星ガス円盤と中性子星の相互作用 : 軌道傾斜角の影響
• 北海学園 : レスズリッジ大学教員交換プログラムの現状と課題

スポンサーリンク