Fil:2MASS LSS chart-NEW Nasa.jpg

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Beskrivelse

Beskrivelse
English: Panoramic view of the entire near-infrared sky reveals the distribution of galaxies beyond the Milky Way. The image is derived from the 2MASS Extended Source Catalog (XSC)—more than 1.5 million galaxies, and the Point Source Catalog (PSC)--nearly 0.5 billion Milky Way stars. The galaxies are color coded by redshift (numbers in parentheses) obtained from the UGC, CfA, Tully NBGC, LCRS, 2dF, 6dFGS, and SDSS surveys (and from various observations compiled by the NASA Extragalactic Database), or photo-metrically deduced from the K band (2.2 μm). Blue/purple are the nearest sources (z < 0.01); green are at moderate distances (0.01 < z < 0.04) and red are the most distant sources that 2MASS resolves (0.04 < z < 0.1). The map is projected with an equal area Aitoff in the Galactic system (Milky Way at center).
Dato
Kilde "Large Scale Structure in the Local Universe: The 2MASS Galaxy Catalog", Jarrett, T.H. 2004, PASA, 21, 396
Forfatter IPAC/Caltech, by Thomas Jarrett
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Information cropped from image

Title: "Large Scale Structure in the Local Universe"

Legend: "image shows 2MASS galaxies color coded by redshift (Jarrett 2004); familiar galaxy clusters/superclusters are labelled (numbers in parenthesis represent redshift). Graphic created by T. Jarett (IPAC/Caltech)"

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Public domain Denne fil er i offentligt domæne i USA fordi den udelukkende er skabt af NASA. NASAs ophavsretspolitik erklærer at materiale udgivet af NASA ikke er omfattet af ophavsret medmindre andet er nævnt. (Se også Template:PD-USGov, NASAs ophavsretspolitik eller JPLs politik for brug af billeder.)
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Captions

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2MASS Near-Infrared view of the sky

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1.419.106 Byte

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Dato/tidMiniaturebilledeDimensionerBrugerKommentar
nuværende22. jan. 2008, 19:27Miniature af versionen fra 22. jan. 2008, 19:271.239 × 627 (1,35 MB)Papa NovemberCropped to remove border using GIMP. No copyright claimed for non-creative derivative work
3. jul. 2007, 18:23Miniature af versionen fra 3. jul. 2007, 18:231.253 × 756 (1,35 MB)QWerkGraphic by Thomas Jarrett (IPAC/Caltech)

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