Title: Et fordrag om stjerner og m
1Dust in Young Galaxies
Peter Laursen Supervisor Anja C. Andersen
www.dark-cosmology.dk DARK
Cosmology Centre Niels Bohr Institutet
Københavns Universitet
2The code
Radiative transfer
Monte Carlo
3Results
Surface brightness maps
4Results
Surface brightness maps Surface
brightness profiles
5Results
Surface brightness maps Surface
brightness profiles Spectra
6Dust in Young Galaxies
Star formation Dust formation Dust
destruction Radiative transfer
7Dust in Young Galaxies
Dust Extinction in Starburst Galaxies at z 3
6 Dust Creation in Supernova Explosions Lyman a
Galaxies at z 8.8
8Dust Extinction in Starburst Galaxies at
z 3 - 6
Lyman-Break Galaxies SFR 10 1000 M
yr-1 Correcting for dust with Calzetti ext.
curve SFR increases a factor of 2 5
9Dust Extinction in Starburst Galaxies at
z 3 - 6
Advance Monte Carlo code Predict effect of dust
as function of tsf, Z and z Very young
starbursts No AGBs, intense UV field Analyze and
model SED of LBGs from GOODS z 2 6
X-rays to mid-IR and Ultra-VISTA (COSMOS
field)
10Dust Creation in Supernova
Explosions
No AGB stars ? SNe? Grain formation and growth
in SN remnants
11Lyman a Galaxies at z 8.8
no sky-lines in the near-IR e.g., l 1.2
mm Simulate morphology and SB of statistical
sample Compare with VISTA observations