A structure in the early universe at z ~ 1.3 that exceeds the homogeneity scale of the R-W concordance cosmology - INSPIRE

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A structure in the early universe at z ~ 1.3 that exceeds the homogeneity scale of the R-W concordance cosmology

Nov, 2012

9 pages

Published in:

Mon.Not.Roy.Astron.Soc. 429 (2013) 2910-2916

e-Print:

1211.6256 [astro-ph.CO]

DOI:

10.1093/mnras/sts497

View in:

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Abstract: (arXiv)

A Large Quasar Group (LQG) of particularly large size and high membership has been identified in the DR7QSO catalogue of the Sloan Digital Sky Survey. It has characteristic size (volume^1/3) ~ 500 Mpc (proper size, present epoch), longest dimension ~ 1240 Mpc, membership of 73 quasars, and mean redshift = 1.27. In terms of both size and membership it is the most extreme LQG found in the DR7QSO catalogue for the redshift range 1.0 <= z <= 1.8 of our current investigation. Its location on the sky is ~ 8.8 deg north (~ 615 Mpc projected) of the Clowes & Campusano LQG at the same redshift, = 1.28, which is itself one of the more extreme examples. Their boundaries approach to within ~ 2 deg (~ 140 Mpc projected). This new, huge LQG appears to be the largest structure currently known in the early universe. Its size suggests incompatibility with the Yadav et al. scale of homogeneity for the concordance cosmology, and thus challenges the assumption of the cosmological principle.

Note:

Accepted for publication in Monthly Notices of the Royal Astronomical Society. 9 pages, 3 figures

References(63)

Figures(4)

Two 100 mpc-scale structures in the 3-d distribution of radio galaxies and their implications

et al.

- Mon.Not.Roy.Astron.Soc. 344 (2003) 283
•
e-Print:
- astro-ph/0305077
•
DOI:
- 10.1046/j.1365-8711.2003.06824.x

Toward physical cosmology: focus on inhomogeneous geometry and its non-perturbative effects

Thomas Buchert
(
- Lyon U.
)

- Class.Quant.Grav. 28 (2011) 164007
•
e-Print:
- 1103.2016
•
DOI:
- 10.1088/0264-9381/28/16/164007

1991

Clowes R.G.
,
Campusano L.E.

- Mon.Not.Roy.Astron.Soc. 249 (1991) 218

Söchting

Clowes R.G.
,
Campusano L.E.
,
Graham M.J.

Two close Large Quasar Groups of size ~ 350 Mpc at z ~ 1.2

- Mon.Not.Roy.Astron.Soc. 419 (2012) 556
•
e-Print:
- 1108.6221
•
DOI:
- 10.1111/j.1365-2966.2011.19719.x

2010, Adv. Astr., 2010, 847541

Copi C.J.
,
Huterer D.
,
Schwarz D.J.
,
Starkam G.D.

1987

Crampton D.
,
Cowley A.P.
,
Hartwick F.D.A.

- Astrophys.J. 314 (1987) 129

1989

Crampton D.
,
Cowley A.P.
,
Hartwick F.D.A.

- Astrophys.J. 345 (1989) 59

Towards understanding the structure of voids in the cosmic web

et al.

- Astron.Astrophys. 534 (2011) A128
•
e-Print:
- 1105.2464
•
DOI:
- 10.1051/0004-6361/201117248

SDSS DR7 superclusters. Morphology

et al.

- Astron.Astrophys. 532 (2011) A5
•
e-Print:
- 1105.2124
•
DOI:
- 10.1051/0004-6361/201116564

The Sloan Great Wall. Morphology and galaxy content

et al.

- Astrophys.J. 736 (2011) 51
•
e-Print:
- 1105.1632
•
DOI:
- 10.1088/0004-637X/736/1/51

Cosmic Flows on 100 Mpc/h Scales: Standardized Minimum Variance Bulk Flow, Shear and Octupole Moments

- Mon.Not.Roy.Astron.Soc. 407 (2010) 2328-2338
•
e-Print:
- 0911.5516
•
DOI:
- 10.1111/j.1365-2966.2010.17052.x

Shanks

Frith W.J.
,
Busswell G.S.
,
Fong R.
,
Metcalfe N.

The local hole in the galaxy distribution: Evidence from 2MASS

- Mon.Not.Roy.Astron.Soc. 345 (2003) 1049
•
e-Print:
- astro-ph/0302331
•
DOI:
- 10.1046/j.1365-8711.2003.07027.x

Mapping the universe

- Science 246 (1989) 897-903
•
DOI:
- 10.1126/science.246.4932.897

A map of the universe

J.Richard Gott, III
(
- Princeton U.
)
,
Mario Juric
(
- Princeton U.
)
,
David Schlegel
(
- Princeton U.
)
,
Fiona Hoyle
(
- Drexel U.
)
,
Michael Vogeley
(
- Drexel U.
)

et al.

- Astrophys.J. 624 (2005) 463
•
e-Print:
- astro-ph/0310571
•
DOI:
- 10.1086/428890

Testing homogeneity with galaxy star formation history

Ben Hoyle
(
- Barcelona, IEEC
)
,
Rita Tojeiro
(
- Portsmouth U., ICG
)
,
Raul Jimenez
(
- Barcelona, IEEC and
- ICREA, Barcelona and
- CERN
)
,
Alan Heavens
(
- Imperial Coll., London
)
,
Chris Clarkson
(
- Cape Town U., ACGC
)

et al.

- Astrophys.J.Lett. 762 (2013) L9
•
e-Print:
- 1209.6181
•
DOI:
- 10.1088/2041-8205/762/1/L9

Mapping extreme-scale alignments of quasar polarization vectors

D. Hutsemekers
(
- Liege U.
)
,
R. Cabanac
(
- Canada France Hawaii Telescope
)
,
H. Lamy
(
- Belgian Inst. for Space Aeronomy
)
,
Dominique Sluse
(
- Liege U.
)

- Astron.Astrophys. 441 (2005) 915-930
•
e-Print:
- astro-ph/0507274
•
DOI:
- 10.1051/0004-6361:20053337

Ultra-compact radio sources and the isotropy and homogeneity of the Universe

J.C. Jackson

- Mon.Not.Roy.Astron.Soc. 426 (2012) 779-783
•
e-Print:
- 1207.0697
•
DOI:
- 10.1111/j.1365-2966.2012.21734.x

A new measurement of the bulk flow of X-ray luminous clusters of galaxies

- Astrophys.J.Lett. 712 (2010) L81-L85
•
e-Print:
- 0910.4958
•
DOI:
- 10.1088/2041-8205/712/1/L81

Ebeling

Kashlinsky A.
,
Atrio-Barandela F.
,
Kocevski D.

A measurement of large-scale peculiar velocities of clusters of galaxies: results and cosmological implications

- Astrophys.J.Lett. 686 (2009) L49-L52
•
e-Print:
- 0809.3734
•
DOI:
- 10.1086/592947

The search and investigation of the large groups of quasars

- Mon.Not.Roy.Astron.Soc. 282 (1996) 713
•
e-Print:
- astro-ph/9602090
•
DOI:
- 10.1093/mnras/282.3.713

Lin

Kubo J.M.
,
Stebbins A.
,
Annis J.
,
Dell'Antonio I.P.

The Mass Of The Coma Cluster From Weak Lensing In The Sloan Digital Sky Survey

et al.

- Astrophys.J. 671 (2007) 1466-1470
•
e-Print:
- 0709.0506
•
DOI:
- 10.1086/523101

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