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Optical Studies of a Local Filament Toward the Magellanic Clouds and a Local IVC Region

Published online by Cambridge University Press:  12 April 2016

B.E. Penprase ,
Q.D. Wang  and
U. Herbstmeier
B.E. Penprase
Affiliation:
Pomona College, 610 N. College Ave, Claremont, CA 91711, USA
Q.D. Wang
Affiliation:
Department of Astronomy, NWU, 2145 Sheridan Road, Evanston, IL 60208, USA
U. Herbstmeier
Affiliation:
MPI för Astronomie, Köonigstuhl 17, D-69117 Heidelberg, Germany

Abstract

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We present new spectroscopic results which constrain the distance of a large IR emitting filament near the LMC, as well as some new results for a local region with widely distributed detections of Intermediate Velocity Clouds (IVCs). We present spectroscopic observations of stars toward both regions which constrain the distances and kinematics of the interstellar features. New optical high resolution (λ/δ λ ⋍ 106) spectra have been obtained for the star HD 22252, and are used to estimate approximate distances, temperatures, and pressures within the cloud. An unusual local region of the interstellar medium with several IVCs is also reported, with multiple components of absorption from -80 < υ LSR < 70 km s−1 seen toward several stars in the region.

Type
Part VII Gas in Superbubbles and in the Galactic Halo
Information
International Astronomical Union Colloquium , Volume 166: The Local Bubble and Beyond , 1997 , pp. 447 - 450
Copyright
Copyright © Springer-Verlag 1998

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