本文選題：吸積 + 恒星��； 參考：《天文學(xué)報》2016年06期

【摘要】：為解釋毫秒脈沖星自轉(zhuǎn)周期的觀測數(shù)據(jù)和理論結(jié)果之間的差異,采用數(shù)值分析的方法研究了小質(zhì)量X射線雙星中中子星的自轉(zhuǎn)演化.在計(jì)算中,分別考慮了輻射壓和中子星輻照引起的物質(zhì)交流的不穩(wěn)定性對系統(tǒng)的影響.結(jié)果如下:(1)吸積盤內(nèi)的輻射壓會使自轉(zhuǎn)周期有小幅增加,中子星輻照導(dǎo)致的物質(zhì)傳輸率的變化會縮短演化路徑中自轉(zhuǎn)減慢的階段;(2)同時考慮輻射壓和中子星輻照時在物質(zhì)傳輸?shù)母邞B(tài)階段吸積會被輻射壓抑制;(3)吸積的質(zhì)量和快參數(shù)影響達(dá)到自轉(zhuǎn)平衡的系統(tǒng)數(shù)目.
[Abstract]:In order to explain the difference between the observed data and theoretical results of the rotation period of millisecond pulsars, the rotation evolution of neutron stars in small mass X-ray binary stars is studied by numerical analysis.In the calculation, the effects of radiation pressure and the instability of mass exchange caused by neutron star irradiation on the system are considered respectively.The result is as follows: 1) the radiation pressure in the accretion disk increases the rotation period slightly.The variation of mass transmission rate induced by neutron star irradiation will shorten the phase of slow rotation in the evolution path) and take into account the radiation pressure and the accretion at the high state of the neutron star irradiation will be suppressed by the radiation pressure.Quantities and fast parameters affect the number of systems that achieve rotation balance.
【作者單位】： 南京大學(xué)天文與空間科學(xué)學(xué)院;
【基金】：國家級大學(xué)生創(chuàng)新創(chuàng)業(yè)訓(xùn)練計(jì)劃項(xiàng)目(G1410284092)資助
【分類號】：P145.6;P172.2

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本文編號：1740406