Astr Connecting diffuse and point source fluxes
Astr Connecting diffuse and point source fluxes
Number of Limit on diffuse flux Typical source
observable luminosity
point sources
K diffuse Lsource
Ns ~ 3/ 2
C po int
Assumptions: Flux sensitivity
Isotropically distributed sources for point sources
Fixed luminosity for all sources
dN/dE ~ E-2 for all sources
Euclidian Universe, uniform source
density
No evolution of source density and
Spiering
Gamma-08
luminosity over Hubble time
Astr Connecting diffuse and point source fluxes
Number of Limit on diffuse flux Typical source
observable luminosity
point sources
K diffuse Lsource
Ns ~ 3/ 2
C po int
Flux sensitivity
Amanda present for point sources
Amanda
Spiering
Ns > 1 km²
– by better pointing
– by getting rid of part of atmospheric neutrinos
Not excluded that first a diffuse excess will
be discovered
Spiering
Gamma-08