H alpha Fabry-Perot Study in the Orion Nebula (M 42): Protoplanetary Disks

Astronomy and Astrophysics – Astrophysics

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H Ii Regions, Ism: Individual (Orion Nebula), Stars: Mass Loss, Stars: Pre-Main Sequence

Scientific paper

We summarize the kinematical results obtained from an H alpha Fabry-Perot study of some proplyds in the Orion nebula. These results are presented in detail in de la Fuente et al. (2003 a,b). We obtained heliocentric systemic velocities, mass loss rates, disks life-times and radial velocity profiles, finding that Fabry-Perot interferometry constitutes an effective technique for the detection of proplyds. We also present a brief summary of some astrobiological aspects presented by Throop et al. (2001, 2002). We illustrate our results using the proplyds 168-326, 167-317, 163-317, 158-323, 158-327 and 161-314.

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