Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...252..664b&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 252, no. 2, Dec. 1991, p. 664-668.
Astronomy and Astrophysics
Astrophysics
6
Neutron Stars, Stellar Models, Stochastic Processes, White Noise, X Ray Binaries, Computerized Simulation, Moments Of Inertia, Monte Carlo Method, Stellar Cores
Scientific paper
The two-component neutron-star model and the response of the neutron star under the influence of external white torque noise are reviewed. A simulation technique is developed for estimating the crust-core coupling time and the moment of inertia of the superfluid in the neutron star from the irregularly sampled data. The model is applied to Vela X-1, since this source has a long period P = 283 s, and theoretical estimates of crust-core coupling time which are proportional to P lie in the observable region, tau = 1 - 30 d for Vela X-1. In the analysis, it is found that moment of inertia of the superfluid cannot exceed 85 percent of the total moment inertia of the star if the crust-core coupling time is longer than 1 d (tau of greater than 1 d). This is in agreement with the analysis of Boynton et al. (1984) on earlier data. This result indicates that either the core-superfluid mixture is less than 85 percent of the total moment of inertia of the star or the crust-core coupling time should be less than 1 d.
Alpar Alan
Baykal Ahmet
Kiziloglu Ue.
No associations
LandOfFree
A shot noise model for a two-component neutron star does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with A shot noise model for a two-component neutron star, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A shot noise model for a two-component neutron star will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1536111