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Multiple Gaseous Disks in NGC 1052

  • H. Plana (a1) and J. Boulesteix (a1)

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We present detailed velocity field of NGC 1052 in [NII]6583Å line obtained with scanning Perot-Fabry. Extended ionized gas was studied by Davies et al. (1986) showing a clear counter-rotation between ionized gas and stars. It is an E4 galaxy type with ‘Boxy’ isophotes (Nieto et al. 1991). Taking benefit from high spectral resolution and 2D mapping of Scanning PF, we have discovered several components in our profiles (Plana 1995). Their study shows two main gaseous components: a first one with a Major Axis at PA=45° and a second one at PA=30°. The ionized gas extension is approximately 40″ for the first component and 20″ for the second. The main component contains 100 times more gas than the second one.

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References

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Bertola, F. et al. 1991, ApJ, 373, 369.
Davis, R. et al. 1986, ApJ, 302, 234.
Nieto, J.L. et al. 1991, A&AS, 88, 559.
Plana, H. et al. 1995, A&A, in press.
de Zeeuw, T. et al. 1989, ApJ, 343, 617.

Multiple Gaseous Disks in NGC 1052

  • H. Plana (a1) and J. Boulesteix (a1)

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