Searching for gravitational waves from known pulsars at once and twice the spin frequency

被引：10
|
作者：
Bejger, Michal [1 ]
Krolak, Andrzej [2 ]
机构：
[1] Nicholas Copernicus Astron Ctr, PL-00716 Warsaw, Poland
[2] Polish Acad Sci, Inst Math, PL-00956 Warsaw, Poland
来源：
CLASSICAL AND QUANTUM GRAVITY | 2014年 / 31卷 / 10期
关键词：
gravitational waves; neutron stars; data analysis; gravitational waves' sources; NEUTRON-STARS; WIND TORI; EMISSION;
D O I：
10.1088/0264-9381/31/10/105011
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The existence of a superfluid core in the interior of a rotating neutron star may have an influence on its gravitational wave emission. In addition to the usually-assumed pure quadrupole radiation with the gravitational wave frequency at twice the spin frequency, a frequency of rotation itself may also be present in the gravitational wave spectrum. We study the parameters of a general model for such emission, compare it with previously proposed, simpler models, discuss the feasibility of the recovery of the stellar parameters and carry out the Monte Carlo simulations to test the performance of our estimation method.
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页数：19
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