AAS Meeting #194 - Chicago, Illinois, May/June 1999
Session 99. The ISM: Structure, Composition and Star Formation
Oral, Thursday, June 3, 1999, 2:00-3:30pm, International Ballroom South

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[99.01] A search for the atomic hydrogen shell around the extended\\ filamentary nebula outside the galactic plane

N.V. Bystrova (St.Petersburg Branch of the SAO)

With the RATAN-600 radiotelescope the neutral hydrogen distribution and motion were studied in details in a very extended galactic region. This region situated in Scorpius - Ophiuchus include the Scorpius OB-2 association,several nebulae and the HII filamentary structures around them.The local bubble displays in the same direction. The model of the HI behaviour there is by no means a simple expanding shell.The HII filaments of different size determine the neutral hydrogen distribution and motion there.The details of this combined study will be given in the communication.

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