Astrophys. J., 771, 88 (2013/July-2)
WISE TF: a mid-infrared, 3.4 µm extension of the Tully-Fisher relation using WISE photometry.
LAGATTUTA D.J., MOULD J.R., STAVELEY-SMITH L., HONG T., SPRINGOB C.M., MASTERS K.L., KORIBALSKI B.S. and JONES D.H.
Abstract (from CDS):
We present a mid-infrared Tully-Fisher (TF) relation using photometry from the 3.4 µm W1 band of the Wide-field Infrared Survey Explorer (WISE) satellite. The WISE TF relation is formed from 568 galaxies taken from the all-sky 2MASS Tully-Fisher (2MTF) galaxy catalog, spanning a range of environments including field, group, and cluster galaxies. This constitutes the largest mid-infrared TF relation constructed to date. After applying a number of corrections to galaxy magnitudes and line widths, we measure a master TF relation given by Mcorr= -22.24-10.05[log (Wcorr) - 2.5], with an average dispersion of σWISE= 0.686 mag. There is some tension between WISE TF and a preliminary 3.6 µm relation, which has a shallower slope and almost no intrinsic dispersion. However, our results agree well with a more recent relation constructed from a large sample of cluster galaxies. We additionally compare WISE TF to the near-infrared 2MTF template relations, finding a good agreement between the TF parameters and total dispersions of WISE TF and the 2MTF K-band template. This fact, coupled with typical galaxy colors of (K - W1) ∼ 0, suggests that these two bands are tracing similar stellar populations, including the older, centrally-located stars in the galactic bulge which can (for galaxies with a prominent bulge) dominate the light profile.
distance scale - galaxies: fundamental parameters - galaxies: spiral - infrared: galaxies
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<Available at CDS (J/ApJ/771/88): table1.dat>
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