Acoustic oscillations in the SDSS DR4 luminous red galaxy sample power spectrum

By G. Huetsi. 2005

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We calculate the redshift-space power spectrum of the Sloan Digital Sky Survey (SDSS) Data Release 4 (DR4) Luminous Red Galaxy (LRG) sample, finding evidence for a full series of acoustic features down to the scales of ~$0.2\,h\,{\rm Mpc}^{-1}$. This corresponds to the 7th peak in the CMB angular power spectrum. The acoustic scale derived, $(105.4 \pm 2.3)\,h^{-1}\,{\rm Mpc}$, agrees very well with the “concordance” model prediction and also with the one determined via the analysis of the spatial two-point correlation function by Eisenstein et al. (2005, ApJ, 633, 560). The models with baryonic features are favored by $3.3 \sigma$ over their “smoothed” counterparts without any oscillatory behavior. This is not only an independent confirmation of results by Eisenstein et al. (2005), made with different methods and software but also, to our knowledge, is the first determination of the power spectrum of the SDSS LRG sample.

Subfields: Astronomy and Astrophysics, Instrumentation, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/4bc19fe6dbd4349583e2e45623aecfc4c2d90401

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Citations in the corpus

The clustering of galaxies in the sdss-iii baryon oscillation spectroscopic survey: Baryon acoustic oscillations in the data release 9 spectroscopic galaxy sample (2012, background): “…to analyse the evolved density field (Percival et al. 2001, 2007c, 2010; Miller, Nichol & Batuski 2001; Eisenstein et al. 2005; Cole et al. 2005; Hütsi 2006; Blake et al. 2007, 2011a; Padmanabhan et al. 2007, 2012a; Okumura et al. 2008; Gaztanaga, Cabre & Hui 2009; Sanchez et al. 2009; Kazin…”
Observational probes of cosmic acceleration (2012, methodology): “Hütsi (2006) analyzed the monopole of the power spectrum of the LRG data set with the Feldman et al. (1994) (FKP) method.”
The clustering of galaxies in the SDSS‐III Baryon Oscillation Spectroscopic Survey: cosmological implications of the large‐scale two‐point correlation function (2012, methodology): “…survey (2dFGRS, Colless et al. 2001, 2003) by Cole et al. (2005) and has been subsequently observed using a variety of datasets and techniques (Hütsi 2006; Padmanabhan et al. 2007; Percival et al. 2007, 2010; Cabré & Gaztañaga 2009; Gaztañaga et al. 2009; Kazin et al. 2010; Beutler et al.…”
The WiggleZ Dark Energy Survey: survey design and first data release (2009, methodology): “The 2dFGRS detection was reported by Cole et al. (2005) and Percival et al. (2007); the SDSS result was reported by Eisenstein et al. (2005), Hütsi (2006) and Percival et al. (2007).”
The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: measurements of the growth of structure and expansion rate at z = 0.57 from anisotropic clustering (2012, background): “…Larson et al. 2011), the local expansion rate (Riess et al. 2011) and baryon acoustic oscillations (BAO; Cole et al. 2005; Eisenstein et al. 2005; Hütsi 2006; Blake et al. 2007; Padmanabhan et al. 2007; Percival et al. 2007, 2010; Okumura et al. 2008; Gaztanaga, Cabre & Hui 2009; Kazin et al.…”
Cosmological constraints from a combination of galaxy clustering and lensing – I. Theoretical framework (2012, background): “…(baryon acoustic oscillations in) the galaxy power spectrum (Percival et al. 2001; Cole et al. 2005; Eisenstein et al. 2005; Tegmark et al. 2006; Hütsi 2006; Percival et al. 2007a,b,c; Padmanabhan et al. 2007; Gaztanaga, Cabré & Hui 2009; Percival et al. 2010; Blake et al. 2011; Anderson et…”
The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: measuring DA and H at z = 0.57 from the baryon acoustic peak in the data release 9 spectroscopic galaxy sample (2013, background): “The strongest signals have been in galaxy redshift surveys, including the Sloan Digital Sky Survey (SDSS Eisenstein et al. 2005; Hütsi 2006; Tegmark et al. 2006; Percival et al. 2007, 2010; Kazin et al. 2010; Chuang et al. 2012; Chuang & Wang 2012; Padmanabhan et al. 2012; Xu et al. 2012), 2dF…”
MEASURING BARYON ACOUSTIC OSCILLATIONS ALONG THE LINE OF SIGHT WITH PHOTOMETRIC REDSHIFTS: THE PAU SURVEY (2008, background): “First detections of this excess were recently reported, at a significance of about three standard deviations, both in spectroscopic (Eisenstein et al. 2005; Percival et al. 2007b; Hütsi 2006a) and photometric (Padmanabhan et al. 2007; Blake et al. 2007) galaxy redshift surveys.”