Cosmological black holes as voids progenitors: simulations
Abstract
Cosmological black holes (CBH), i.e. black holes with masses of the order of 10^{13}div 10^{14} M_{odot} , have been proposed as possible progenitors of galaxy voids. The presence of a CBH in the central region of a void should induce significant gravitational lensing effects and in this paper we discuss such gravitational signatures using simulated data. These signatures may be summarized as follows: (1) a blind spot in the projected position of the CBH where no objects can be detected; (2) an excess of faint secondary images; (3) an excess of double images having a characteristic angular separation. All these signatures are shown to be detectable in future deep surveys.
- Publication:
-
General Relativity and Gravitation
- Pub Date:
- October 2007
- DOI:
- 10.1007/s10714-007-0485-4
- arXiv:
- arXiv:astro-ph/0507437
- Bibcode:
- 2007GReGr..39.1551S
- Keywords:
-
- Astrophysics
- E-Print:
- 5 pages, 5 figures, submitted to MNRAS