TY  - JOUR 
AU  - Esteban Gutiérrez, Ana
AU  - Mediavilla, Evencio
AU  - Jiménez Vicente, Jorge
AU  - Muñoz Lozano, José Antonio
PY  - 2023
UR  - https://hdl.handle.net/10481/84953
AB  - We use X-ray observations of quasar microlensing (sensitive to smaller compact objects than in the optical) to study the possible presence of a population of low mass black holes (BHs; from ∼10−3 M ⊙ to 10−1 M ⊙) in lens galaxies. We compare these...
LA  - eng
PB  - Institute of Physics
KW  - Gravitational lensing
KW  - Gravitational microlensing
KW  - Quasar microlensing
KW  - X-ray quasars
KW  - Primordial black holes
KW  - Dark matter
TI  - Constraints on the Abundance of Primordial Black Holes from X-Ray Quasar Microlensing Observations: Substellar to Planetary Mass Range
DO  - 10.3847/1538-4357/ace62f
ER  -