Fragmentation and heating of streamers in Orion

Details Fragmentation and heating of streamers in Orion Fragmentation and heating of streamers in Orion

Jun 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.216..139w&link_type=abstract

Astrophysics and Space Science, vol. 216, no. 1-2, p. 139-142

Astronomy and Astrophysics

Astronomy

1

Gas Flow, Interstellar Gas, Magnetohydrodynamic Flow, Molecular Clouds, Orion Nebula, Plasma Heating, Plasma Interactions, Star Formation, Stellar Composition, Stellar Structure, Stellar Temperature, Stellar Winds, Ammonia, Filaments, Fragmentation, Kinematics, Magnetohydrodynamic Stability, Protostars, Radio Astronomy, Shock Heating, Very Large Array (Vla)

Scientific paper

Long filamentary structures composed of chains of denser clumps fan out from the high mass star-forming Kleinmann-Low (KL) core region in Orion Molecular Cloud-1 (OMC-1). We present a high resolution Very Large Array (VLA) NH3 study of the structure, kinematics, and temperature of the region over a large, multi-field scale. The region appears to contain multiple superimposed cloud components. Clumps along the filaments may be the result of instabilities and fragmentation; some show fast velocity gradients. Sheaths around the clumps along the filaments are heated. This is possibly the result of external radiation or of interaction with high velocity outflows from young stellar objects in OMC-1.

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