Refinement of the parameters of the binary pulsar B0655+64 based on 111 MHz observations

被引：0
|
作者：
B. Ya. Losovskii
D. V. Dumskii
S. V. Logvinenko
机构：
[1] Russian Academy of Sciences,Pushchino Radio Astronomy Observatory, Astro Space Center, Lebedev Physical Institute
[2] National Research University Higher School of Economics,undefined
来源：
Astronomy Reports | 2016年 / 60卷
关键词：
Orbital Period; Binary System; Astronomy Report; Radio Telescope; Orbit Inclination;
D O I：
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摘要：
An analysis of monitoring observations for the pulsar PSR B0655+64, which is located in a binary system, at 111 MHz during 2002–2015 are presented. The Keplerian parameters of the pulsar have been refived: the longitude of periastron ω = 276.°5785 ± 0.°0005 and the orbital semi-major axis is ap sin i = 4.124976± 0.000003 s. The parameters of the perturbed motion have been determined: the motion of periastron ω = 0.°315 ± 0.°005/ year, and the derivative of the period of the binary system Ṗ = (-1.66 ± 0.11) × 10-14 s/s = (-0.524 ± 0.038) µs/year. The estimated time scale for the decay of the PSR 0655+64 system is (1.7 ± 0.1) × 1011 yrs.
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页码：204 / 210
页数：6
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