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Large Scale Structure in the LYα Forest

Published online by Cambridge University Press:  25 May 2016

G. Williger ,
A. Smette ,
C. Hazard ,
J. Baldwin  and
R. McMahon
G. Williger
Affiliation:
MPIA, Heidelberg NASA/GSFC
A. Smette
Affiliation:
Kapteyn Institute
C. Hazard
Affiliation:
Phys & Astron, U. Pittsburgh Inst of Astronomy
J. Baldwin
Affiliation:
Inst of Astronomy CTIO
R. McMahon
Affiliation:
Inst of Astronomy

Extract

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We have conducted a survey of the Lyα forest in the redshift domain 2.15 < z < 3.37 in front of nine QSOs within a 1o field to probe spatial structure along planes perpendicular to the line-of-sight. We find evidence for correlations of the Lyα absorption line wavelengths in the whole redshift range, and, at z > 2.8, of their equivalent widths. Such a correlation is consistent with the emerging picture that Lyα lines arise in filaments or large, flattened structures.

Type
Part 6. Large Scale Structure
Information
Symposium - International Astronomical Union , Volume 179: New Horizons from Multi-Wavelength Sky Surveys , 1998 , pp. 329 - 331
Copyright
Copyright © Kluwer 1998 

References

Crotts, A., 1989, Astrophys. J. 336, 550.CrossRefGoogle Scholar
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Williger, G., Hazard, C., Baldwin, J., McMahon, R., 1996, Astrophys. J. Supp. 104, 145.Google Scholar