Issue |
A&A
Volume 366, Number 3, February II 2001
|
|
---|---|---|
Page(s) | 1065 - 1070 | |
Section | Astronomical instrumentation | |
DOI | https://doi.org/10.1051/0004-6361:20000304 | |
Published online | 15 February 2001 |
Astrophysical implications of gravitational microlensing of gravitational waves
Dipartimento di Fisica, Università di Lecce, and INFN, Sezione di Lecce, Via Arnesano, CP 193, 73100 Lecce, Italy
G. Ingrosso
Received:
12
October
2000
Accepted:
7
November
2000
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 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 ∼10
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.
Key words: gravitation / gravitational waves / gravitational lensing
© ESO, 2001
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