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Large Scale Structure in the Local Universe: The 2MASS Galaxy Catalog

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arxiv astro-ph/0405069 v1 pith:IHLFV6Q4 submitted 2004-05-04 astro-ph

classification astro-ph
keywords galaxiesmasscataloggalaxylargelocalmillionphotometric
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Using twin ground-based telescopes, the Two Micron All Sky Survey (2MASS) scanned both equatorial hemi- spheres, detecting more than 500 million stars and resolving more than 1.5 million galaxies in the near-infrared (1 - 2.2 microns) bands. The Extended Source "Galaxy" Catalog (XSC) embodies both photometric and astrometric whole sky uniformity, revealing large scale structures in the local Universe and extending our view into the Milky Way's dust-obscured "Zone of Avoidance." The XSC represents a uniquely unbiased sample of "normal" galaxies, particularly sensitive to the underlying, dominant, stellar mass component of galaxies. The basic properties of the XSC, including photometric sensitivity, source counts, and spatial distribution are presented here. We illustrate the spatial clustering properties, ranging from interacting galaxies to groups and clusters, and finally to the largest "cosmic web" of superclusters spanning the sky.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

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    astro-ph.GA 2024-11 conditional novelty 6.0 of 10

    The gravitational wave bias of mock binary black holes increases with the pivot mass of the assumed host galaxy mass selection, and can exceed the galaxy bias by up to about 30 percent only for steep host probability slopes.

  2. Cosmic Structure Formation in the Non-linear Regime: Beyond Gaussian Statistics and Standard Cosmologies

    astro-ph.CO 2024-11 conditional novelty 4.0 of 10

    The matter density PDF can be predicted in extended cosmologies with large deviations theory, and wave-based forward models capture phase-space dynamics beyond the fluid approximation.

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