2019MNRAS.486L..52S

Query : 2019MNRAS.486L..52S

2019MNRAS.486L..52S - Mon. Not. R. Astron. Soc., 486, L52-L57 (2019/June-2)

Cumulative shift of periastron time of binary pulsar with Kozai-Lidov oscillation.

SUZUKI H., GUPTA P., OKAWA H. and MAEDA K.-I.

Abstract (from CDS):

We study a hierarchical triple system with the Kozai-Lidov mechanism, and analyse the cumulative shift of periastron time of a binary pulsar by the emission of gravitational waves. Time evolution of the osculating orbital elements of the triple system is calculated by directly integrating the first-order post-Newtonian equations of motion. The Kozai-Lidov mechanism will bend the evolution curve of the cumulative shift when the eccentricity becomes large. We also investigate the parameter range of mass and semimajor axis of the third companion with which the bending of the cumulative-shift curve could occur within 100 yr.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): gravitational waves - binaries (including multiple): close - stars: black holes - stars: kinematics and dynamics - pulsars: general

Simbad objects: 4

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Number of rows : 4
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 PSR J0337+1715 Psr 03 37 43.8210968640 +17 15 14.886499572           ~ 113 0
2 PSR B1620-26 Psr 16 23 38.2218 -26 31 53.769     21.30     ~ 318 2
3 PSR J1840-0643 Psr 18 40 09.44 -06 43 47.0           ~ 15 0
4 PSR J1915+1606 Psr 19 15 27.99999 +16 06 27.4034     22.5     ~ 1032 1

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