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Correlation between the spatial distribution of circumstellar disks and massive stars in the young open cluster NGC 6611

2009

Context: the observations of the proplyds in the Orion Nebula Cluster, showing clear evidence of ongoing photoevaporation, have provided a clear proof about the role of the externally induced photoevaporation in the evolution of circumstellar disks. NGC 6611 is an open cluster suitable to study disk photoevaporation, thanks to its large population of massive members and of stars with disk. In a previous work, we obtained evidence of the influence of the strong UV field generated by the massive cluster members on the evolution of disks around low-mass Pre-Main Sequence members. That work was based on a multi-band BVIJHK and X-ray catalog purposely compiled to select the cluster members with …

PhysicsAstrophysics (astro-ph)Large populationFOS: Physical sciencesAstronomy and AstrophysicsAstrophysics::Cosmology and Extragalactic AstrophysicsAstrophysicsClass iiiAstrophysicsSpatial distributionPhotoevaporationCircumstellar diskStarsSettore FIS/05 - Astronomia E AstrofisicaSpace and Planetary ScienceOrion NebulaOpen clusters Circumstellar disks massive stars Spitzer satellite star formation NGC 6611Astrophysics::Solar and Stellar AstrophysicsAstrophysics::Earth and Planetary AstrophysicsAstrophysics::Galaxy AstrophysicsOpen clusterAstronomy & Astrophysics
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