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Night to night variability of the emission lines in the nuclear spectrum of the Seyfert Galaxy NGC 3227
emission lines Galaxy nuclear spectrum
2009/7/9
Night to night variability of the emission lines in the nuclear spectrum of the Seyfert Galaxy NGC 3227。
Large Scale Magnetic Fields：Density Power Spectrum in Redshift Space
Cosmology magnetic fields MHD
2009/5/19
We compute the density redshift-space power spectrum in
the presence of tangled magnetic fields and compare it with existing observations.
Our analysis shows that if these magnetic fields originated...
Full-spectrum study of small patch of sky yields portrait of maturing universe（图）
galaxies
2007/3/12
6 March 2007，BERKELEY – A massive project to generate an all-color map of the galaxies in a small area of sky, utilizing four satellite telescopes and four ground-based telescopes, is yielding new inf...