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From Spitzer Galaxy photometry to Tully-Fisher distances

Abstract : This paper involves a data release of the observational campaign: Cosmicflows with Spitzer (CFS). Surface photometry of the 1270 galaxies constituting the survey is presented. An additional ~ 400 galaxies from various other Spitzer surveys are also analyzed. CFS complements the Spitzer Survey of Stellar Structure in Galaxies, that provides photometry for an additional 2352 galaxies, by extending observations to low galactic latitudes (|b|<30 degrees). Among these galaxies are calibrators, selected in K band, of the Tully-Fisher relation. The addition of new calibrators demonstrate the robustness of the previously released calibration. Our estimate of the Hubble constant using supernova host galaxies is unchanged, H0 = 75.2 +/- 3.3 km/s/Mpc. Distance-derived radial peculiar velocities, for the 1935 galaxies with all the available parameters, will be incorporated into a new data release of the Cosmicflows project. The size of the previous catalog will be increased by 20%, including spatial regions close to the Zone of Avoidance.
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http://hal.in2p3.fr/in2p3-01066038
Contributor : Dominique Girod <>
Submitted on : Friday, September 19, 2014 - 10:13:16 AM
Last modification on : Tuesday, November 19, 2019 - 2:37:57 AM

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J.G. Sorce, R. B. Tully, H.M. Courtois, T. H. Jarrett, J. D. Neill, et al.. From Spitzer Galaxy photometry to Tully-Fisher distances. Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P - Oxford Open Option A, 2014, 444, pp.527-541. ⟨10.1093/mnras/stu1450⟩. ⟨in2p3-01066038⟩

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