4 papers · 1 filter
[O I] 6300 A Emission from Disks Around Herbig Ae/Be Stars
M. E. van den Ancker, B. Acke, C. P. Dullemond
We present high spectral-resolution optical spectra of 49 Herbig Ae/Be stars in a search for the [O I] 6300.2 A line. The vast majority of the stars in our sample show narrow (FWHM…
Are passive protostellar disks stable to self-shadowing?
C. P. Dullemond
The uniqueness and stability of irradiated flaring passive protostellar disks is investigated in the context of a simplified set of equations for the vertical height H as a functio…
An efficient algorithm for two-dimensional radiative transfer in axisymmetric circumstellar envelopes and disks
C. P. Dullemond, R. Turolla
We present an algorithm for two-dimensional radiative transfer in axisymmetric, circumstellar media. The formal integration of the transfer equation is performed by a generalizatio…
A semi-analytical model of disk evaporation by thermal conduction
C. P. Dullemond
The conditions for disk evaporation by electron thermal conduction are examined, using a simplified semi--analytical 1-D model. The model is based on the mechanism proposed by Meye…