Average interstellar extinction curves for Galaxy and Large Magellanic Cloud
(LMC) over the range of wavelengths (1100 A0 – 3200 A0) were obtained from
observations via IUE satellite.
The two extinctions of our galaxy and LMC are normalized to Av=0 and E (B-V)=1,
to meat standard criteria. It is found that the differences between the two extinction
curves appeared obviously at the middle and far ultraviolet regions due to the
presence of different populations of small grains, which have very little contribution
at longer wavelengths. Using new IUE-Reduction techniques lead to more accurate
result.
تاريخ النشر
26/03/2009
الناشر
Proceeding of 3rd scientific conference of the College of Science, University of Baghdad.
حسنين حسن علي | Hasanain Hassan Ali | 3822