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astro-ph2003★ 19 cited
Quasar Mesolensing - Direct Probe to Substructures around Galaxies -
Atsunori Yonehara, Masayuki Umemura, Hajime Susa
Recently, ``CDM crisis'' is under discussion. The main point of this crisis is that number of substructures presented by cosmological N-body simulations based on CDM scenario for s…
astro-ph2003★ 7 cited
A New Method to Map Flares in Quasars
Atsunori Yonehara, Shin Mineshige, Yoh Takei +2
Recently, Chartas et al. (2001) detected a rapid X-ray flare in the gravitationally lensed, multiple image quasar RX J0911.4+0551. Dramatic events, such as rapid X-ray flares, are…