2. APOD: 2003 October 13 - Pelican Nebula Ionization Front
... Pelican Nebula Ionization Front . Credit : John Bally ( U. Colorado ) Bo Reipurth ( U. Hawaii ), NOAO , AURA , NSF . ... transforming the Pelican 's cold gas to hot gas, with the advancing boundary between the two known as an ionization front ...
3. Vestnik Moskovskogo Universiteta. Seriya 1. Matematika. Mekhanika
... dense envelopes generated by ionization-shock fronts in the interstellar medium / G ... during the propagation of an ionization-shock front in a spherical gas cloud is ... interstellar medium, shock waves, ionization fronts, instabilities, HII region ...
5. ORION BAR (Abstract)
... along a line perpendicular to the ionization front which penetrates into the neutral ... the FUV radiation field incident at the ionization front and find values of 1-3x10^4 ...
8. No Title
... These models show the importance of ionization fronts for the structure of planetary ... the outer shell is formed by the ionization front while the inner shell is swept-up ...
9. http://www.eso.org/~fcomeron/s106.pdf
... and the circle of PDR emission where the ionization fronts hit the (molecular) gas ... Fig. 1) marks the maximum extent of the ionization front created by the sub-clusters ...