Astronomy and Astrophysics – Astrophysics
Scientific paper
2007-10-10
Astronomy and Astrophysics
Astrophysics
22 pages, 7 figures, accepted for publication in The Astrophysical Journal; v.2 has changes in both figures and content; prepr
Scientific paper
10.1086/589228
IC 4406 is a large (about 100'' x 30'') southern bipolar planetary nebula, composed of two elongated lobes extending from a bright central region, where there is evidence for the presence of a large torus of gas and dust. We show new observations of this source performed with IRAC (Spitzer Space Telescope) and the Australia Telescope Compact Array. The radio maps show that the flux from the ionized gas is concentrated in the bright central region and originates in a clumpy structure previously observed in H_alpha, while in the infrared images filaments and clumps can be seen in the extended nebular envelope, the central region showing toroidal emission. Modeling of the infrared emission leads to the conclusion that several dust components are present in the nebula.
Cerrigone Luciano
Hora Joseph L.
Trigilio Corrado
Umana Grazia
No associations
LandOfFree
IC 4406: a radio-infrared view does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with IC 4406: a radio-infrared view, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and IC 4406: a radio-infrared view will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-541242