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Constraining the Cosmological Density of Compact Objects with the Long-Term Variability of Quasars
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Physics, Department of Astronomy and Space Physics.
2003 (English)In: Astronomy & Astrophysics, ISSN 0004-6361, Vol. 399, no 1, 23-32 p.Article in journal (Refereed) Published
Abstract [en]

By comparing the results from numerical microlensing simulations to the observed long-term variability of quasars, strong upper limits on the cosmological density of compact objects in the $10^{-4}\ M_\odot$--$1 \ M_\odot$ range may in principle be impose

Place, publisher, year, edition, pages
EDP SCIENCES , 2003. Vol. 399, no 1, 23-32 p.
Keyword [en]
Dark matter -- gravitational lensing -- quasars: general -- cosmology: miscellaneous
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:uu:diva-44972OAI: oai:DiVA.org:uu-44972DiVA: diva2:72879
Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2011-01-13

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