Injection and Ignition System of the M 104 and M 119 Engines

Strauss, W.V.; Behnke, Horst

doi:10.4271/892007

Cited by 1 publication

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“…Two decades before 2MASS, the first flux-limited allsky galaxy catalog was created from observations by the IRAS satellite at 60µm (Strauss et al 1990). Since galaxies were unresolved by IRAS, the point source catalog formed the basis of a redshift survey (PSCz Fisher et al 1995a;Saunders et al 2000a).…”

Section: The Two Micron All-sky Surveymentioning

confidence: 99%

The 2mass Redshift Survey—description and Data Release

Huchra

Macri

Masters

et al. 2012

ApJS

680

675

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We present the results of the 2MASS Redshift Survey (2MRS), a ten-year project to map the full three-dimensional distribution of galaxies in the nearby Universe. The 2 Micron All-Sky Survey (2MASS) was completed in 2003 and its final data products, including an extended source catalog (XSC), are available on-line. The 2MASS XSC contains nearly a million galaxies with K s ≤ 13.5 mag and is essentially complete and mostly unaffected by interstellar extinction and stellar confusion down to a galactic latitude of |b| = 5 • for bright galaxies. Near-infrared wavelengths are sensitive to the old stellar populations that dominate galaxy masses, making 2MASS an excellent starting point to study the distribution of matter in the nearby Universe.We selected a sample of 44,599 2MASS galaxies with K s ≤ 11.75 mag and |b| ≥ 5 • (≥ 8 • towards the Galactic bulge) as the input catalog for our survey. We obtained spectroscopic observations for 11,000 galaxies and used previously-obtained velocities for the remainder of the sample to generate a redshift catalog that is 97.6% complete to well-defined limits and covers 91% of the sky. This provides an unprecedented census of galaxy (baryonic mass) concentrations within 300 Mpc.Earlier versions of our survey have been used in a number of publications that have studied the bulk motion of the Local Group, mapped the density and peculiar velocity fields out to 50 h −1 Mpc, detected galaxy groups, and estimated the values of several cosmological parameters.Additionally, we present morphological types for a nearly-complete sub-sample of 20,860 galaxies with K s ≤ 11.25 mag and |b| ≥ 10 • .

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Section: The Two Micron All-sky Surveymentioning

confidence: 99%