100 likes | 279 Views
The Ps - Porb Relation for Wind-fed X-Ray Pulsars. Hai-Lang Dai, Xiang-dong Li and Xi-Wei Liu. Our Model. Spin evolution. Case a: the pulsar phase. or. Davies & Pringle 1981, MNRAS, 151,351. Our Model. Spin evolution. Case b: the propeller phase. Our Model.
E N D
The Ps-Porb Relation for Wind-fed X-Ray Pulsars Hai-Lang Dai, Xiang-dong Li and Xi-Wei Liu
Our Model Spin evolution • Case a: the pulsar phase or Davies & Pringle 1981, MNRAS, 151,351
Our Model Spin evolution • Case b: the propeller phase
Our Model Evolution of the inclination angle is the critical value of the meridional angle measured from the north magnetic pole Wang & Robnik 1982, A&A, 151,222
Our Model Evolution of the mass capture rate Nieuwenhuijzen & de Jager 1990, A&A, 231, 134 Bondi & Hoyle 1944, MNRAS, 104, 273