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Interstellar lines in the spectra of the globular clusters around NGC 5128

Cohen, Judith G. (1982) Interstellar lines in the spectra of the globular clusters around NGC 5128. Astrophysical Journal, 260 . L45-L47. ISSN 0004-637X. doi:10.1086/183867.

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Three of the brightest globular clusters associated with the peculiar radio galaxy NGC 5128 have been observed spectroscopically. In addition to interstellar Ca II lines from our own Galaxy, two of the three show interstellar Ca II lines arising in NGC 5128. The radial velocities are not consistent with gas which shares the motion of the elliptical galaxy. In one case, the gas is possibly associated with the rotating inclined disk of gas seen close to the nucleus. The interstellar clouds are between 12 and 30 kpc from the nucleus of NGC 5128, depending on whether they are in an extension of the rotating disk and how the disk is warped.

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Cohen, Judith G.0000-0002-8039-4673
Additional Information:© American Astronomical Society • Provided by the NASA Astrophysics Data System. Received 1982 March 22; accepted 1982 May 27. I am grateful to the Director of the Mount Wilson and Las Campanas Observatory for a generous allocation of observing time.
Subject Keywords:clusters: globular — galaxies: individual — interstellar: matter
Record Number:CaltechAUTHORS:20190531-091632235
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:95984
Deposited By: George Porter
Deposited On:03 Jun 2019 15:04
Last Modified:16 Nov 2021 17:17

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