QUIESCENT THERMAL EMISSION OF NEUTRON STARS IN LMXBs

被引：0
作者：
Turlione, Anabela R. [1 ]
Pons, Jose A. [2 ]
Aguilera, Deborah N. [3 ,4 ]
机构：
[1] Comis Nacl Energia Atom, Tandar Lab, RA-1650 San Martin, Buenos Aires, Argentina
[2] Univ Alicante, Dept Appl Phys, E-03080 Alicante, Spain
[3] Ohio Univ, Dept Phys & Astron, Athens, OH 45701 USA
[4] Comis Nacl Energia Atom, Tandar Lab, RA-1650 San Martin, Buenos Aires, Argentina
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2010年 / 19卷 / 06期
关键词：
Neutron stars; X-rays; nuclear heating; PSR J2021+3651; RAY;
D O I：
10.1142/S0218271810016786
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Recent monitoring of the quiescent thermal emission from NSs in low mass X-ray binaries (LMXBs) after active periods (bursts) opened a new view to the physics of dense matter. Theoretical modeling of the thermal relaxation of the crust may be used to establish constraints on the thermal conductivity of matter, depending on the accretion rate. We present here cooling curves obtained from numerical simulations that fit the light curves for two sources (KS 1731-260, MXB 1659-29). We estimate the model parameters (accretion rate, thermal conductivity) that match the data and compare our results with previous constraints of neutron star crust properties in LMXBs.
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收藏
页码：805 / 817
页数：13
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