K. M. Maaskant
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View article: Spatially resolving polycyclic aromatic hydrocarbons in Herbig Ae disks with VISIR-NEAR at the VLT
Spatially resolving polycyclic aromatic hydrocarbons in Herbig Ae disks with VISIR-NEAR at the VLT Open
We use the long-slit spectroscopy mode of the VISIR-NEAR experiment to perform diffraction-limited observations of eight nearby Herbig Ae protoplanetary disks. We extract spectra for various locations along the slit with a spectral resolut…
View article: Possible single-armed spiral in the protoplanetary disk around HD 34282
Possible single-armed spiral in the protoplanetary disk around HD 34282 Open
Context. During the evolution of protoplanetary disks into planetary systems we expect to detect signatures that trace mechanisms such as planet–disk interaction. Protoplanetary disks display a large variety of structures in recently publi…
View article: Large dust gaps in the transitional disks of HD 100453 and HD 34282. Connecting the gap size to the spectral energy distribution and mid-infrared imaging
Large dust gaps in the transitional disks of HD 100453 and HD 34282. Connecting the gap size to the spectral energy distribution and mid-infrared imaging Open
Context. The formation of dust gaps in protoplanetary disks is one of the most important signs of disk evolution and might indicate the formation of planets.Aims. We aim to characterize the flaring disk structure around the Herbig Ae/Be …
View article: Cavity and other radial substructures in the disk around HD\n 97048
Cavity and other radial substructures in the disk around HD\n 97048 Open
\n Context. Gaps, cavities, and rings in circumstellar disks are signposts\n of disk evolution and planet-disk interactions. We follow the recent suggestion that\n Herbig Ae/Be disks with a flared disk harbor a cavity, and investigate the …
View article: Large dust gaps in the transitional disks of HD 100453 and HD 34282
Large dust gaps in the transitional disks of HD 100453 and HD 34282 Open
\n Context. The formation of dust gaps in protoplanetary disks is one of the most important signs of disk evolution and might indicate the formation of planets.\n Aims. We aim to characterize the flaring disk structure around the Herbig Ae…
View article: Micron-sized forsterite grains in the pre-planetary nebula of IRAS 17150−3224
Micron-sized forsterite grains in the pre-planetary nebula of IRAS 17150−3224 Open
\n Aims. We study the grain properties and location of the forsterite crystals in the circumstellar environment of the pre-planetary nebula (PPN) IRAS 17150−3224 in order to learn more about the as yet poorly understood evolutionary phase …
View article: Micron-sized forsterite grains in the pre-planetary nebula of IRAS 17150-3224 - Searching for clues on the mysterious evolution of massive AGB stars
Micron-sized forsterite grains in the pre-planetary nebula of IRAS 17150-3224 - Searching for clues on the mysterious evolution of massive AGB stars Open
We study the grain properties and location of the forsterite crystals in the circumstellar environment of the pre-planetary nebula (PPN) IRAS 17150-3224 in order to learn more about the as yet poorly understood evolutionary phase prior to …