Abstract
OH/IR stars are probably superior to all other objects as probes of the gravitational potential in the central parts of the Galaxy. More than 500 OH/IR stars have been found within the sky area |l| < 30°, |b| < 30° in various surveys. By combining all the data sets it is shown that the slope of the l-υ diagrams decreases with increasing maximum distance from the centre. This can be interpreted as the consequence of an axisymmetric logarithmic potential from about 10 pc to about 1 kpc with a rotation velocity of 130 ± 30kms-1. The rotation velocity seems to be increasing slowly outside 1 kpc.
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© 1994 Springer Science+Business Media Dordrecht
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Winnberg, A. (1994). What Do OH/IR Stars Tell Us about the Dynamics of the Central Parts of the Galaxy?. In: Genzel, R., Harris, A.I. (eds) The Nuclei of Normal Galaxies. NATO ASI Series, vol 445. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0752-5_10
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DOI: https://doi.org/10.1007/978-94-011-0752-5_10
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-4323-6
Online ISBN: 978-94-011-0752-5
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