Can extragalactic foregrounds explain the large-angle CMB anomalies?
| dc.creator | Rakic, Aleksandar | |
| dc.creator | Rasanen, Syksy | |
| dc.creator | Schwarz, Dominik J. | |
| dc.date | 2006-09-07 | |
| dc.date | 2006-12-19 | |
| dc.date.accessioned | 2026-07-07T07:40:14Z | |
| dc.date.available | 2026-07-07T07:40:14Z | |
| dc.description | We address the effect of an extended local foreground on the low-l anomalies found in the CMB. Recent X-ray catalogues point us to the existence of very massive superstructures at the 100 h^(-1) Mpc scale that contribute significantly to the dipole velocity profile. Being highly non-linear, these structures provide us a natural candidate to leave an imprint on the CMB sky via a local Rees-Sciama effect. We show that the Rees-Sciama effect of local foregrounds can induce CMB anisotropy of DeltaT/T ~ 10^(-5) and we analyse its impact on multipole power as well as the induced phase pattern on largest angular scales. | |
| dc.description | 6 pages, 2 figures; Talk given at 11th Marcel Grossmann meeting, Berlin 2006; includes WMAP(3yr) update of astro-ph/0601445; minor corrections | |
| dc.identifier | https://arxiv.org/abs/astro-ph/0609188 | |
| dc.identifier | http://arxiv.org/abs/astro-ph/0609188 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/121717 | |
| dc.subject | Astrophysics | |
| dc.title | Can extragalactic foregrounds explain the large-angle CMB anomalies? | |
| dc.type | text |