2MTF - VII. 2MASS Tully-Fisher survey final data release: distances for 2,062 nearby spiral galaxies

Abstract

We present the final distance measurements for the 2MASS Tully-Fisher (2MTF) survey. The final 2MTF catalogue contains 2,062 nearby spiral galaxies in the CMB frame velocity range of 600 km s${}^{-1}$ $<cz<10,000$ km s${}^{-1}$ with a mean velocity of 4,805 km s${}^{-1}$. The main update in this release is the replacement of some archival HI data with newer ALFALFA data. Using the 2MTF template relation, we calculate the distances and peculiar velocities of all 2MTF galaxies. The mean uncertainties of the linear distance measurements are around 22\% in all three infrared bands. 2MTF measurements agree well with the distances from the Cosmicflows-3 compilation, which contains 1,117 common galaxies, including 28 with SNIa distance measurements. Using distances estimated from the `3-bands combined' 2MTF sample and a ${\chi }^2$ minimization method, we find best-fit bulk flow amplitudes of $308\pm 26$ km s${}^{-1}$, $318\pm 29$ km s${}^{-1}$, and $286\pm 25$ km s${}^{-1}$ at depths of $R_I=$ 20, 30 and 40 $h^{-1}\mathrm{Mpc}$, respectively, which is consistent with the $\Lambda$CDM model and with previous 2MTF results with different estimation techniques and a preliminary catalogue.

8 pages, 6 figures, 2 tables, accepted for publication in MNRAS

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Cited by in corpus (18)

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• The Redshift Space Momentum Power Spectrum II: measuring the growth rate from the combined 2MTF and 6dFGSv surveys
• Target Selection for the DESI Peculiar Velocity Survey
• The Redshift-Space Momentum Power Spectrum I: Optimal Estimation From Peculiar Velocity Surveys
• The 2MASS Redshift Survey in the Zone of Avoidance
• Peculiar velocities in the local Universe: comparison of different models and the implications for $H_0$ and dark matter
• Reconstructing the cosmological density and velocity fields from redshifted galaxy distributions using V-net
• WALLABY Pre-Pilot and Pilot Survey: the Tully Fisher Relation in Eridanus, Hydra, Norma and NGC4636 fields
• Reconstructing dark matter distribution with peculiar velocities: Bayesian forward modelling with corrections for inhomogeneous Malmquist bias
• Using peculiar velocity surveys to constrain neutrino masses
• Gaussianization of peculiar velocities and bulk flow measurement
• HI HOD -- I. The Halo Occupation Distribution of HI Galaxies
• The Velocity Field Olympics: Assessing velocity field reconstructions with direct distance tracers
• No evidence for local $H_0$ anisotropy from Tully--Fisher or supernova distances
• Expected redshift drift for tilted observers
• Emulating galaxy and peculiar velocity clustering on non-linear scales
• $S_8$ from peculiar velocities: agreement with Planck for Tully--Fisher and supernovae, tension for the fundamental plane