Present and future limits on compact dark matter from gravitational lensing

Details Present and future limits on compact dark matter from gravitational lensing Present and future limits on compact dark matter from gravitational lensing

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991aipc..222..451n&link_type=abstract

In: After the first three minutes; Proceedings of the 1st Astrophysics Workshop, Univ. of Maryland, College Park, Oct. 15-17, 19

Astronomy and Astrophysics

Astronomy

Black Holes (Astronomy), Dark Matter, Gravitational Lenses, Gamma Ray Bursts, Quasars, Stellar Mass

Scientific paper

If the dark matter is composed of black holes, stars, or any compact objects (COs) then certain gravitational lens effects are to be expected (Press and Gunn, 1973). Nondetection places a limit on their mass and abundance. Current observational frontiers of candidate lensed sources are expanding in three ways: increased spatial resolution, increased sensitivity limits, and increased time coverage. Present limits exclude closure densities of compact objects (Omega(CO) less than 1) of masses greater than 10 exp 10 solar masses.

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