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A Counts‐in‐Cells Analysis of Lyman‐Break Galaxies at Redshift z∼ 3
Open accessAbstract
We have measured the counts-in-cells fluctuations of 268 Lyman-break galaxies with spectroscopic redshifts in six 9' × 9' fields at z ~ 3. The variance of galaxy counts in cubes of comoving side length 7.7, 11.9, 11.4 h 100 −1 Mpc is σ gal 2 ~1.3±0.4 for Ω M = 1, 0.2 open, 0.3 flat, implying on these scales a bias of σ gal /σ mass = 6.0 ± 1.1, 1.9 ± 0.4, and 4.0 ± 0.7. The bias and abundance of Lyman-break galaxies are surprisingly consistent with a simple model of structure formation that assumes only that galaxies form within dark matter halos, that Lyman-break galaxies' rest-UV luminosities are tightly correlated with their dark masses, and that matter fluctuations are Gaussian and have a linear power-spectrum shape at z ~ 3 similar to that determined locally (Γ ~ 0.2). This conclusion is largely independent of cosmology or spectral normalization σ 8 . A measurement of the masses of Lyman-break galaxies would in principle distinguish between different cosmological scenarios.
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Cites
Core condensation in heavy halos: a two-stage theory for galaxy formation and clustering
White, S. D. M., & Rees, M. J. (1978) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/183.3.341 · Cited by 3,919
The statistics of peaks of Gaussian random fields
Bardeen, J. M., Bond, J. R., Kaiser, N., & Szalay, A. S. (1986) · The Astrophysical Journal · doi:10.1086/164143 · Cited by 3,270
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The large-scale structure of the Universe
Springel, V., Frenk, C. S., & White, S. D. M. (2006) · Nature · doi:10.1038/nature04805 · Cited by 780
Clustering of High-Redshift (z≥ 2.9) Quasars from the Sloan Digital Sky Survey
Shen, Y., Strauss, M. A., Oguri, M., Hennawi, J. F., Fan, X., Richards, G. T., Hall, P. B., Gunn, J. E., Schneider, D. P., Szalay, A. S., et al. (2007) · The Astronomical Journal · doi:10.1086/513517 · Cited by 384
Metadata
- Authors
- Adelberger, K. L., Steidel, C. C., Giavalisco, M., Dickinson, M., Pettini, M., & Kellogg, M.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1998-09-20
- Volume
- 505
- Issue
- 1
- Pages
- 18-24
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W2094432469
- Cited by
- 238
- References
- 2
- FWCI
- 20.60
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Adelberger, K. L., Steidel, C. C., Giavalisco, M., Dickinson, M., Pettini, M., & Kellogg, M. (1998). A Counts‐in‐Cells Analysis of Lyman‐Break Galaxies at Redshift z∼ 3. The Astrophysical Journal. https://doi.org/10.1086/306162
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