Probing the Massive Primordial Disks around Two Low Mass Stars

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

Low mass stars are the dominant stellar constituent in our Galaxy and likely the typical planet-hosting stars. Yet, our understanding of how protoplanetary disks evolve and give rise to planetary systems around such stars is incomplete. We have identified two young, very dusty early- to mid-M type stars. Optical and near-infrared spectroscopy of each source confirms their youthful ages and late spectral types. These low mass stars host massive primordial disks as determined through mid- to far-infrared photometric measurements and preliminary disk modeling for each system. Eventual detailed models of both systems will increase the small sample size of well-characterized protoplanetary disks orbiting low mass stars.

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