Astronomy and Astrophysics – Astrophysics
Scientific paper
2005-07-08
Mon.Not.Roy.Astron.Soc.364:593-600,2005
Astronomy and Astrophysics
Astrophysics
10 pages, 8 figures, submitted to MNRAS
Scientific paper
10.1111/j.1365-2966.2005.09571.x
We present an angular power spectrum analysis of the 2MASS full release extended source catalogue. The main sample used includes 518,576 galaxies below an extinction-corrected magnitude of K=13.5 and limited to |b|>20. The power spectrum results provide an estimate of the galaxy density fluctuations at extremely large scales, r<1000 Mpc. We compare this with mock predictions constructed from the LCDM Hubble Volume mock catalogue. We find that over the range 1
Frith William J.
Outram P. J.
Shanks Tom
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