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astro-ph2002
Line emission from circumstellar disks around A stars
Inga Kamp, Gerd-Jan van Zadelhoff, Ewine van Dishoeck +1
The nature of the tenuous disks around A stars has raised considerable controversy in the literature during the past decade. The debate whether or not the disk around beta Pictoris…
astro-ph2002
Axi-symmetric models of ultraviolet radiative transfer with applications to circumstellar disk chemistry
Gerd-Jan van Zadelhoff, Yuri Aikawa, M. R. Hogerheijde +1
A new two-dimensional axi-symmetric ultraviolet radiative transfer code is presented, which is used to calculate photodissociation and ionization rates for use in chemistry models…