Showing astro-phShow all
3 papers · 1 filter
astro-ph2005
High mass star formation in the infrared dark cloud G11.11-0.12
Thushara Pillai, Friedrich Wyrowski, Karl M. Menten +1
We report detection of moderate to high-mass star formation in an infrared dark cloud (G11.11-0.12) where we discovered class II methanol and water maser emissions at 6.7 GHz and 2…
astro-ph2005
Discovery of 10 micron silicate emission in quasars. Evidence of the AGN unification scheme
R. Siebenmorgen, M. Haas, E. Kr"ugel +1
According to the unified scheme, AGN are surrounded by a dust-torus, and the observed diversity of AGN properties results from the different orientations relative to our line of si…
astro-ph2004
PAHs in Circumstellar Disks around Herbig Ae/Be stars
Emilie Habart, Antonella Natta, Endrik Krügel
We investigate the presence and properties of PAHs on the surface of circumstellar disks around Herbig Ae/Be stars by comparing the predictions of disk models with observations. We…