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Statistical Properties of the Lyman α Forest

Published online by Cambridge University Press:  07 August 2017

Jill Bechtold  and
Stephen A. Shectman
Jill Bechtold
Affiliation:
The Mount Wilson-Las Campanas Observatories, The Carnegie Institute of Washington, Pasadena, California 91101
Stephen A. Shectman
Affiliation:
The Mount Wilson-Las Campanas Observatories, The Carnegie Institute of Washington, Pasadena, California 91101

Abstract

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We have observed two high-redshift quasars with the echelle spectrograph and 2D-Frutti Photon Counter at Las Campanas, in order to investigate the statistical properties of the Lyman-α forest. The two-point correlation function for the Lyman-α forest lines at z ≈ 3 is consistent with zero, for all velocity splittings Δv > 50 km/sec. When Lyman-α lines and other metal lines from known metal-line systems are included, the correlation function shows a weak non-zero signal at small Δv. We suggest that the weak clustering of the Lyman-α forest detected by other workers may be the result of contamination by a small number of metal-line systems and their associated Lyman-α lines.

Type
Part 11: Miscellaneous
Information
Symposium - International Astronomical Union , Volume 134: Active Galactic Nuclei , 1989 , pp. 549 - 554
Copyright
Copyright © Kluwer 1989 

References

Crotts, A.P.S. 1988, preprint.Google Scholar
Dekel, A. 1982, Ap.J.(Letters), 261, L13.Google Scholar
Duncan, R.C., Ostriker, J.P., and Bajtlik, S. 1988, preprint.Google Scholar
Ikeuchi, S. and Ostriker, J.P. 1986, Ap.J., 301, 522.Google Scholar
Gould, S.J. 1988, “The Streak of Streaks”, The New York Review of Books, XXXV, No. 13, p.8.Google Scholar
Peebles, P.J.E. 1980. The Large Scale Structure of the Universe, Princeton University Press, Princeton.Google Scholar
Salmon, J. and Hogan, C. 1986, M.N.R.A.S., 221, 93.Google Scholar
Sargent, W.L.W., Young, P.J., Boksenberg, A., and Tytler, D. 1980, Ap.J. Suppl., 42, 41.Google Scholar
Sargent, W.L.W., Boksenberg, A., and Steidel, C. 1988, preprint.Google Scholar
Vishniac, E.T. and Bust, G.S. 1987, Ap.J., 319, 14.Google Scholar
Webb, J.K. 1987, in Proc. IAU Symp. 124, “Observational Cosmology” eds. Hewitt, A., Burbidge, G., and Fang, L. (Dordrecht:Reidel), p.803.Google Scholar
Young, P.J., Sargent, W.L.W., and Boksenberg, A. 1982, Ap.J. Suppl., 48, 455.CrossRefGoogle Scholar