2MTF V. Cosmography, Beta, and the residual bulk flow

Christopher M Springob,Tao Hong,Lister Staveleysmith,Karen L Masters,Lucas M Macri,Baerbel Koribalski,D Heath Jones,Thomas Harold Jarrett,Christina Magoulas,Pirin Erdogdu

Monthly Notices of the Royal Astronomical Society（2016）

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摘要

Using the Tully–Fisher relation, we derive peculiar velocities for the 2MASS Tully–Fisher survey and describe the velocity field of the nearby Universe. We use adaptive kernel smoothing to map the velocity field, and compare it to reconstructions based on the redshift space galaxy distributions of the 2MASS Redshift Survey (2MRS) and the IRAS Point Source Catalog Redshift Survey (PSCz). With a sta...

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关键词

galaxies: distances and redshifts,galaxies: fundamental parameters,galaxies: spiral,distance scale,large-scale structure of Universe

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