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- Title
- Correlation of low z Lyman-alpha absorbers with HI-selected galaxies
- Author(s)
- Ryan-Weber, Emma
- Abstract
- In this work, observational evidence for the connection between low column density Lyman-alpha absorbers and large-scale structure traced by gas-rich galaxies is investigated. The H I Parkes All Sky Survey (HIPASS) galaxy catalogue is cross-correlated with known low redshift, low column density (N HI<1015 cm-2) Lyman-alpha absorbers from the literature. The absorber-galaxy cross-correlation function shows that on scales from 1 -10 h-1 Mpc, absorbers are embedded in halos with masses similar to that of galaxy groups.
- Publication Type
- Conference paper
- Source
- Proceedings of the International Astronomical Union Colloquium C199: Probing Galaxies through Quasar Absorption Lines, Shanghai, China, 14-18 March 2005 / Peter R. Williams, Cheng-Gang Shu and Brice Menard (eds.), Vol. 1, pp. 472-474
- Publication Year
- 2005
- FOR Code(s)
- 0201 Astronomical and Space Sciences
- Keyword(s)
- HI Parkes All Sky Survey; HIPASS; Redshift
- Publisher
- Cambridge University Press
- Publisher URL
- http://dx.doi.org/10.1017/S1743921305003121
- Publisher URL
- http://books.google.com.au/books?id=3B1YVgKFoP4C
- Copyright
- Copyright © 2005 International Astronomical Union.
- ISBN
- 9780521852050
- ISSN
- 1743-9213 (series ISSN)
- Peer Reviewed
