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The 2dF survey also yields a unique view on our local cosmic environment. In the figure a 3-D reconstruction of the inner parts of the survey is shown, revealing a view on the cosmic structures in the nearby universe. Several
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between 1997 and 11 April 2002. The data from this survey were made public on 30 June 2003. The survey determined the large-scale structure in two large slices of the
Universe to a depth of around 2.5 billion light years
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of the North Polar band was about 7.5 degrees while the declination of the South Polar band was about 15 degrees. Hundreds of isolated two degree fields near the South Polar band were also surveyed (see
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Limits on the contribution of massive neutrinos to dark matter, putting a limit on the sum of the masses of the three families of neutrinos at 1.8 eV.
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installed at the primary focus permitting the observation of a field of 2 degrees per pointing. The instrument possesses a
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equipped with two banks each of 200 optical fibres, permitting the simultaneous measurement of 400 spectra.
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All these results are in agreement with the measurements of other experiments, notably those of
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of 0.11. The volume of the
Universe covered by the survey is approximately 10
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The limiting apparent magnitude of the survey is 19.5, covering objects with a
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The areas selected for observation were previously surveyed by the massive
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reconstruction of the inner parts of the 2dF Galaxy
Redshift Survey.
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observed by the survey corresponds to a distance of 600
16:"2DF" redirects here. For the German broadcaster, see
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The 2dF Galaxy
Redshift Survey: spectra and redshifts
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739:and John Peacock were awarded a share of the 2014
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873:The principal results obtained for the field of
857:is approximately 70 km/s/Mpc. The largest
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1282:Calar Alto Legacy Integral Field Area Survey
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751:The 2dF survey covered an area of about 1500
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805:The survey was carried out with the 4 metre
735:were in charge of the project. Team members
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824:mostly within less than z=0.3 and a median
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1146:The INT Photometric H-Alpha Survey
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1005:2dFGRS − An Introduction
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174:Gravitational wave (GWB)
69:Related media on Commons
1447:Observational astronomy
942:stand out, such as the
887:non-relativistic matter
881:The measurement of the
877:by the 2dF survey are:
241:Inhomogeneous cosmology
1201:SCUBA-2 All Sky Survey
989:March 4, 2007, at the
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38:Alternative names
1322:VIMOS-VLT Deep Survey
1299:DEEP2 Redshift Survey
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800:quasi-stellar objects
727:). Matthew Colless,
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332:Large-scale structure
310:Shape of the universe
1452:Astronomical surveys
1140:Digitized Sky Survey
1126:Astronomical surveys
919:. They confirm the
714:(AAO) with the 3.9m
644:Astronomy portal
602:background radiation
579:List of cosmologists
1288:CfA Redshift Survey
731:, Steve Maddox and
344:Structure formation
236:Friedmann equations
126:Age of the universe
90:Part of a series on
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1293:Dark Energy Survey
1087:2014-04-20 at the
1028:2007-03-04 at the
1010:2007-03-04 at the
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850:, divided by 100.
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383:Dark Energy Survey
327:Large quasar group
96:Physical cosmology
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883:density parameter
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1407:Spaceflight
965:Dark matter
895:dark matter
809:, with the
772:declination
747:Description
361:Experiments
294:Dark matter
287:Dark energy
229:FLRW metric
166:Backgrounds
1441:Categories
971:References
784:photometry
741:Shaw Prize
737:Shaun Cole
441:Copernicus
419:Scientists
274:Components
1383:Astronomy
1172:Infra-red
899:neutrinos
875:cosmology
692:astronomy
571:Zeldovich
471:Friedmann
446:de Sitter
373:BOOMERanG
302:Structure
267:Structure
151:Inflation
1346:Category
1284:(CALIFA)
1272:(2dFGRS)
1197:(UKIDSS)
1152:NGS-POSS
1085:Archived
1047:Fox News
1026:Archived
1008:Archived
987:Archived
954:See also
948:Huge-LQG
859:redshift
835:, where
826:redshift
822:redshift
792:galaxies
721:redshift
632:Category
551:Suntzeff
511:Lemaître
461:Einstein
426:Aaronson
219:Redshift
121:Universe
114:Big Bang
1369:Portals
1356:Commons
1328:WiggleZ
1301:(DEEP2)
1278:(6dFGS)
1159:(PDSSS)
1148:(IPHAS)
1074:− 2001
788:spectra
556:Sunyaev
541:Schmidt
531:Penzias
526:Penrose
501:Huygens
491:Hawking
476:Galileo
53:.2dfgrs
46:Website
1324:(VVDS)
1318:(SDSS)
1311:LAMOST
1307:(GAMA)
1239:HIPASS
1235:(GASS)
1228:C-BASS
1213:(WISE)
1191:(IRAS)
1163:SLUGGS
704:2dFGRS
694:, the
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566:Wilson
561:Tolman
521:Newton
516:Mather
506:Kepler
496:Hubble
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1395:Stars
1295:(DES)
1221:Radio
1206:VISTA
1179:2MASS
1142:(DSS)
893:plus
865:Mpc.
796:stars
706:is a
546:Smoot
536:Rubin
481:Gamow
466:Ellis
451:Dicke
76:[
1244:NVSS
931:DTFE
917:WMAP
486:Guth
55:.net
950:).
885:of
833:Mpc
702:or
700:2dF
690:In
51:www
41:2dF
18:ZDF
1443::
1045:.
997:^
923:.
843:,
1371::
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