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- W3010496629 abstract "A substantial fraction the stellar mass attributed to galaxies is invisible: stars close to the hydrogen burning limit, brown dwarfs, white dwarfs, neutron stars and black holes. These constituents do, however, gravitationally micro-lens background quasars, thereby permitting measurement of the total stellar contribution to the mass surface density along the line of sight. We report the results of such a measurement using a sample of ten quadruply lensed quasars. We discuss the prospects for improving upon this measurement with a larger sample and describe efforts to find new quadruple lenses. If we invert our argument and take the stellar mass to be known, we derive a value for the fraction of the dark halo in MaCHOs (including 20 solar mass primordial black holes) of somthing less than 10%, confirming the widely ignored result of Mediavilla et al (2009)." @default.
- W3010496629 created "2020-03-13" @default.
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- W3010496629 date "2018-11-01" @default.
- W3010496629 modified "2023-09-23" @default.
- W3010496629 title "The Contribution of Faint, Failed, and Defunct Stars to the Stellar Masses of Galaxies" @default.
- W3010496629 hasPublicationYear "2018" @default.
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