i-band Tully-Fisher relation.
|Authors||α ± σα||β ± σβ||Fitting method||Number of galaxies|
|This work||−7.99 ± 0.15||−20.63 ± 0.19||OSL bisector||123|
|Giovanelli et al. (1997a); Giovanelli et al. (1997b)||−7.67 ± 0.33||−20.83 ± 0.32||bi-variate||782|
|Masters et al. (2006)||−7.85 ± 0.10||−20.68 ± 0.05||bi-variate||807|
|Masters et al. (2006)||−8.14 ± 0.28||−20.73 ± 0.05||OSL bisector||807|
|Masters et al. (2006)/HRS subsamples||−7.91 ± 0.18||−20.71 ± 0.08||OSL bisector||123|
Notes. Coefficients obtained for the i-band TF relation Mi = (β ± σβ)+(α ± σα) (log2Vmax − 2.5) in the literature and this work. The last line has been computed by averaging 100 subsamples randomly extracted from Masters et al. (2006) and matching exactly our luminosity galaxy distribution.
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