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Optical Features Associated with the Extended HI Envelope of M83

Published online by Cambridge University Press:  04 August 2017

W. Wamsteker ,
J. J. Lorre  and
H. E. Schuster
W. Wamsteker
Affiliation:
Astronomy Division, ESA-ESTEC, c/o ESA-VILSPA, P.O. Box 54065, Madrid, Spain
J. J. Lorre
Affiliation:
NASA-JPL, Pasadena, Calif., U.S.A.
H. E. Schuster
Affiliation:
E.S.O. La Silla Observatory, Casilla 16317, Santiago, Chile

Abstract

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Deep red Schmidt plates (127−04 + RG630) of the galaxy M83 show the presence of extensive faint optical structure well beyond the Holmberg radius of the galaxy. Digital processing has been used to bring these features out in detail. They consist of arc-like structures and clumps of H II regions, which seem to follow the H I distribution and thus are likely to participate in the warping of the H I disk.

Type
I. Kinematics of Gas and the Underlying Mass Distribution
Information
Symposium - International Astronomical Union , Volume 100: Internal Kinematics and Dynamics of Galaxies , 1983 , pp. 65 - 66
Copyright
Copyright © Reidel 1983 

References

References:

Huchtmeier, W.K., Bohnenstengel, H.D., 1981, Astron. Astrophys., 100, 72.Google Scholar
Lorre, J.J., JPL Publication 81–8, 2–1.Google Scholar
Rogstad, D.H., Lockhardt, I.A., Wright, M.C.H., 1974, Astrophys. J., 193, 309.Google Scholar