The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Galaxy And Mass Assembly (GAMA): improved cosmic growth measurements using multiple tracers of large-scale structure
Open accessAbstract
We present the first application of a ‘multiple-tracer’ redshift-space distortion (RSD) analysis to an observational galaxy sample, using data from the Galaxy and Mass Assembly (GAMA) survey. Our data set is an r < 19.8 magnitude-limited sample of 178 579 galaxies covering the redshift interval z < 0.5 and area 180 deg2. We obtain improvements of 10–20 per cent in measurements of the gravitational growth rate compared to a single-tracer analysis, deriving from the correlated sample variance imprinted in the distributions of the overlapping galaxy populations. We present new expressions for the covariances between the auto-power and cross-power spectra of galaxy samples that are valid for a general survey selection function and weighting scheme. We find no evidence for a systematic dependence of the measured growth rate on the galaxy tracer used, justifying the RSD modelling assumptions, and validate our results using mock catalogues from N-body simulations. For multiple tracers selected by galaxy colour, we measure normalized growth rates in two independent redshift bins fσ8(z = 0.18) = 0.36 ± 0.09 and fσ8(z = 0.38) = 0.44 ± 0.06, in agreement with standard GR gravity and other galaxy surveys at similar redshifts.
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Cites
THE SEVENTH DATA RELEASE OF THE SLOAN DIGITAL SKY SURVEY
Abazajian, K. N., Adelman-McCarthy, J. K., Agüeros, M. A., Allam, S. S., Prieto, C. A., An, D., Anderson, K. S. J., Anderson, S. F., Annis, J., Bahcall, N. A., et al. (2009) · The Astrophysical Journal Supplement Series · doi:10.1088/0067-0049/182/2/543 · Cited by 5,341
Self-citationLewis, A., Challinor, A., & Lasenby, A. (2000) · The Astrophysical Journal · doi:10.1086/309179 · Cited by 4,920
Extracting Primordial Non-Gaussianity without Cosmic Variance
Seljak, U. (2009) · Physical Review Letters · doi:10.1103/physrevlett.102.021302 · Cited by 354
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Alam, S., Ata, M., Bailey, S., Beutler, F., Bizyaev, D., Blazek, J. A., Bolton, A. S., Brownstein, J. R., Burden, A., Chuang, C.-H., et al. (2017) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/stx721 · Cited by 3,056
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The DESI Bright Galaxy Survey: Final Target Selection, Design, and Validation
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Metadata
- Authors
- Blake, C., Baldry, I. K., Bland-Hawthorn, J., Christodoulou, L., Colless, M., Conselice, C., Driver, S. P., Hopkins, A. M., Liske, J., Loveday, J., Norberg, P., Peacock, J. A., Poole, G. B., & Robotham, A. S. G.
- Venue
- Monthly Notices of the Royal Astronomical Society
- Publisher
- Oxford University Press (OUP)
- Published
- 2013-10-22
- Volume
- 436
- Issue
- 4
- Pages
- 3089-3105
- ISSN
- 0035-8711 (ISSN-L)
- 1365-2966
- OpenAlex
- W2028903204
- Cited by
- 239
- References
- 3
- FWCI
- 3.46
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Blake, C., Baldry, I. K., Bland-Hawthorn, J., Christodoulou, L., Colless, M., Conselice, C., Driver, S. P., Hopkins, A. M., Liske, J., Loveday, J., Norberg, P., Peacock, J. A., Poole, G. B., & Robotham, A. S. G. (2013). Galaxy And Mass Assembly (GAMA): improved cosmic growth measurements using multiple tracers of large-scale structure. Monthly Notices of the Royal Astronomical Society. https://doi.org/10.1093/mnras/stt1791
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
