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Evidence for the presence of dust in intervening QSO absorbers from the Sloan Digital Sky Survey

Published online by Cambridge University Press:  06 October 2005

P. Khare ,
D. G. York ,
D. Vanden Berk ,
V. P. Kulkarni ,
A. P. S. Crotts ,
D. E. Welty ,
J. T. Lauroesch ,
G. T. Richards ,
Y. Alsayyad  and
A. Kumar
...Show all authors
P. Khare
Affiliation:
Utkal University, India
D. G. York
Affiliation:
University of Chicago, USA
D. Vanden Berk
Affiliation:
Pennsylvania State University, USA
V. P. Kulkarni
Affiliation:
University of South Carolina, USA
A. P. S. Crotts
Affiliation:
University of Columbia, USA
D. E. Welty
Affiliation:
University of Chicago, USA
J. T. Lauroesch
Affiliation:
Northwestern University, USA
G. T. Richards
Affiliation:
Princeton University Observatory, USA
Y. Alsayyad
Affiliation:
University of Chicago, USA
A. Kumar
Affiliation:
New York University, USA
B. Lundgren
Affiliation:
University of Illinois, Urbana Champaign, USA
N. Shanidze
Affiliation:
University of Chicago, USA
J. Vanlandingham
Affiliation:
University of Chicago, USA
B. Baugher
Affiliation:
University of California, Santa Barbara, USA
P. B. Hall
Affiliation:
York University, Canada
E. B. Jenkins
Affiliation:
Princeton University Observatory, USA
B. Menard
Affiliation:
IAS, Princeton, USA
S. Rao
Affiliation:
University of Pittsburgh, USA
D. Turnshek
Affiliation:
University of Pittsburgh, USA
C. W. Yip
Affiliation:
University of Pittsburgh, USA
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Abstract

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We find evidence for dust in the intervening QSO absorbers from the spectra of QSOs in the Sloan Digital Sky Survey Data Release 1. No evidence is found for the 2175 Å feature which is present in the Milky Way dust extinction curve.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 1 , Colloquium C199: Probing Galaxies through Quasar Absorption Lines , March 2005 , pp. 427 - 429
Copyright
© 2005 International Astronomical Union