Peculiar velocities of 2MFGC spirals (Karachentsev+, 2006)

Details Peculiar velocities of 2MFGC spirals (Karachentsev+, 2006) Peculiar velocities of 2MFGC spirals (Karachentsev+, 2006)

Mar 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ycatp016004901k&link_type=abstract

VizieR On-line Data Catalog: J/other/Ap/49.450. Originally published in: 2006Ap.....49..450K

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Galaxy Catalogs, Galaxies: Ir, Photometry: Infrared, Radial Velocities, Space Velocities

Scientific paper

The 2MFGC catalog we have used contains 18020 galaxies selected from among the extended objects in the 2MASS infrared sky survey as having apparent ratios of the axes b/a<0.3. Most of them are spiral galaxies of later morphological types whose disks are seen almost edge-on. The individual distances to the 2724 2MFGC galaxies with known rotation velocities and radial velocities are determined using a multiparameter infrared Tully-Fisher relation. A list of the distances and peculiar velocities of these galaxies is presented. The collective motion of the 2MFGC galaxies relative to the cosmic microwave background is characterized by a velocity V=199+/-37km/s in the direction l=304+/-11, b=-8+/-8 . Our list is currently the most representative and uniform sample for analyzing non-Hubble motions of galaxies on a scale of ~100Mpc.
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