First search for gravitational waves from the youngest known neutron star

Details First search for gravitational waves from the youngest known neutron star First search for gravitational waves from the youngest known neutron star

2010-06-13

arxiv.org/abs/1006.2535v2

Astrophys.J. 722:1504,2010

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

26 pages, 5 figures

Scientific paper

10.1088/0004-637X/722/2/1504

We present a search for periodic gravitational waves from the neutron star in the supernova remnant Cassiopeia A. The search coherently analyzes data in a 12-day interval taken from the fifth science run of the Laser Interferometer Gravitational-Wave Observatory. It searches gravitational wave frequencies from 100 to 300 Hz, and covers a wide range of first and second frequency derivatives appropriate for the age of the remnant and for different spin-down mechanisms. No gravitational wave signal was detected. Within the range of search frequencies, we set 95% confidence upper limits of 0.7--1.2e-24 on the intrinsic gravitational wave strain, 0.4--4e-4 on the equatorial ellipticity of the neutron star, and 0.005--0.14 on the amplitude of r-mode oscillations of the neutron star. These direct upper limits beat indirect limits derived from energy conservation and enter the range of theoretical predictions involving crystalline exotic matter or runaway r-modes. This is the first gravitational wave search to present upper limits on r-modes.

Affiliated with

Also associated with

No associations

Rating

First search for gravitational waves from the youngest known 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 First search for gravitational waves from the youngest known neutron star, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and First search for gravitational waves from the youngest known neutron star will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-626043