scholarly journals The Three‐Dimensional Power Spectrum of Galaxies from the Sloan Digital Sky Survey

2004 ◽  
Vol 606 (2) ◽  
pp. 702-740 ◽  
Author(s):  
Max Tegmark ◽  
Michael R. Blanton ◽  
Michael A. Strauss ◽  
Fiona Hoyle ◽  
David Schlegel ◽  
...  
2002 ◽  
Vol 572 (1) ◽  
pp. 140-156 ◽  
Author(s):  
Scott Dodelson ◽  
Vijay K. Narayanan ◽  
Max Tegmark ◽  
Ryan Scranton ◽  
Tamas Budavari ◽  
...  

2003 ◽  
Vol 591 (1) ◽  
pp. 1-11 ◽  
Author(s):  
Alexander S. Szalay ◽  
Bhuvnesh Jain ◽  
Takahiko Matsubara ◽  
Ryan Scranton ◽  
Michael S. Vogeley ◽  
...  

2002 ◽  
Vol 571 (1) ◽  
pp. 191-205 ◽  
Author(s):  
Max Tegmark ◽  
Scott Dodelson ◽  
Daniel J. Eisenstein ◽  
Vijay Narayanan ◽  
Roman Scoccimarro ◽  
...  

2019 ◽  
Vol 5 (1) ◽  
pp. 14-18
Author(s):  
J. R. Malla ◽  
B. Aryal ◽  
W. Saurer

We present a study of spin vector orientation of 1198 SDSS (Sloan Digital Sky Survey) galaxies in Super cluster S[195+027+0022] having red shift 0.07 to 0.09. The databases of these galaxies are taken from SDSS (Sloan Digital Sky Survey) 7th and 9th data release. We have converted two dimensional data to three-dimensional by Godlowskian Transformation using position angle-inclination angle method. We intend to find non-random effects in the spatial orientation of galaxies in Super cluster. No preferred alignment of angular momentum vectors (spin vector) is noticed, supporting Hierarchy model of galaxy formation.


2019 ◽  
Vol 629 ◽  
pp. A86 ◽  
Author(s):  
Michael Blomqvist ◽  
Hélion du Mas des Bourboux ◽  
Nicolás G. Busca ◽  
Victoria de Sainte Agathe ◽  
James Rich ◽  
...  

We present a measurement of the baryon acoustic oscillation (BAO) scale at redshift z = 2.35 from the three-dimensional correlation of Lyman-α (Lyα) forest absorption and quasars. The study uses 266 590 quasars in the redshift range 1.77 <  z <  3.5 from the Sloan Digital Sky Survey (SDSS) Data Release 14 (DR14). The sample includes the first two years of observations by the SDSS-IV extended Baryon Oscillation Spectroscopic Survey (eBOSS), providing new quasars and re-observations of BOSS quasars for improved statistical precision. Statistics are further improved by including Lyα absorption occurring in the Lyβ wavelength band of the spectra. From the measured BAO peak position along and across the line of sight, we determined the Hubble distance DH and the comoving angular diameter distance DM relative to the sound horizon at the drag epoch rd: DH(z = 2.35)/rd = 9.20 ± 0.36 and DM(z = 2.35)/rd = 36.3 ± 1.8. These results are consistent at 1.5σ with the prediction of the best-fit spatially-flat cosmological model with the cosmological constant reported for the Planck (2016) analysis of cosmic microwave background anisotropies. Combined with the Lyα auto-correlation measurement presented in a companion paper, the BAO measurements at z = 2.34 are within 1.7σ of the predictions of this model.


2013 ◽  
Vol 766 (2) ◽  
pp. 79 ◽  
Author(s):  
Sergey E. Koposov ◽  
Vasily Belokurov ◽  
N. Wyn Evans

2007 ◽  
Vol 657 (2) ◽  
pp. 645-663 ◽  
Author(s):  
Will J. Percival ◽  
Robert C. Nichol ◽  
Daniel J. Eisenstein ◽  
Joshua A. Frieman ◽  
Masataka Fukugita ◽  
...  

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