The signature of primordial black holes in the dark matter halos of galaxies

Aims. The aim of this paper is to investigate the claim that stars in the lensing galaxy of a gravitationally lensed quasar system can always account for the observed microlensing of the individual quasar images. Methods. A small sample of gravitationally lensed quasar systems was chosen where the q...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2020-01, Vol.633, p.A107
1. Verfasser:	Hawkins, M. R. S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomical models Black holes Dark matter Density Galactic halos Galaxy distribution Hubble Space Telescope Microlenses Optical thickness Quasars Space telescopes Stars Stars & galaxies Stellar surfaces Surface brightness
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