Protoplanetary Disks in the Orion Nebula: An H$α$ Fabry-Perot study and Astrobiological Aspects

Details Protoplanetary Disks in the Orion Nebula: An H$α$ Fabry-Perot study and Astrobiological Aspects Protoplanetary Disks in the Orion Nebula: An H$α$ Fabry-Perot study and Astrobiological Aspects

2002-11-29

arxiv.org/abs/astro-ph/0211639v1

Astronomy and Astrophysics

Astrophysics

to appear in proceedings of the STScI Symposium ``Astrophysics of Life'' 6-9 May, 2002

Scientific paper

In this paper, we present a briefly overview of the protoplanetary disks in the Orion Nebula, incluiding some astrobiological aspects and an H$\alpha$ Fabry-Perot study of 16 of them. We found that Fabry-Perot interferometry constitutes an effective technique for the detection of proplyds. We also report heliocentric systemic velocities for the proplyds 82-336, 158-323, 158-326, 159-350, 161-314, 161-324, 163-317, 166-316, 167-317, 168-326, 170-337, 176-325, 177-341, 180-331, 197-427 and 244-440. The velocities were measured between 22-38 km s$^{-1}$.

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