Astronomy and Astrophysics – Astrophysics
Scientific paper
2000-11-30
Astronomy and Astrophysics
Astrophysics
5 pages, laa.sty required. Accepted for pubblication on Astronomy and Astrophysics on November, 7 2000
Scientific paper
10.1051/0004-6361:20000304
Astrophysical implications of gravitational microlensing of gravitational waves emitted by rotating neutron stars (NSs) are investigated. In particular, attention is focused on the following situations: i) NSs in the galactic bulge lensed by a central black hole of $2.6\times 10^6 M_{\odot}$ or by stars and MACHOs distributed in the galactic bulge, disk and halo between Earth and the sources; ii) NSs in globular clusters lensed by a central black hole of $\sim 10^3 M_{\odot}$ or by stars and MACHOs distributed throughout the Galaxy. The detection of such kind of microlensing events will give a unique opportunity for the unambiguous mapping of the central region of the Galaxy and of globular clusters. In addition, the detection of such events will provide a new test of the General Theory of Relativity. Gravitational microlensing will, moreover, increase the challenge of detecting gravitational waves from NSs.
de Paolis Francesco
Ingrosso Gabriele
Nucita Achille A.
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