The galaxy major merger fraction to ~ 1 | Astronomy & Astrophysics (A&A)

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Table 5:

Major merger rates $\Re _{\rm m}^{\rm mph}$ in GOODS-S.
Sample selection	z = 0.4^a	z = 0.725^a	z = 0.975^a	$\Re_{\rm m}(0)^{{a,b}}$	n^b
$M_B \leq -20$	$\rm 1.2^{+1.3}_{-0.6}$	$\rm 2.3^{+1.4}_{-0.9}$	$\rm 3.9^{+1.9}_{-1.3}$	$0.40 \pm 0.14^{{c}}$	$3.3 \pm 0.8^{{c}}$
$M_{\star } \geq 10^{10}\ M_{\odot }$	$\rm0.9^{+2.6}_{-0.7}$	$\rm 2.2^{+1.5}_{-0.9}$	$\rm 2.9^{+1.6}_{-1.0}$	$0.29 \pm 0.06$	$3.5 \pm 0.4$

^a In units of $10^{-4}\ {\rm Mpc^{-3}\ Gyr^{-1}}$ . ^b Best $\Re _{\rm m}^{\rm mph}(z) = \Re _{\rm m}^{\rm mph}(0) (1+z)^n$ fit to the data.
^c This fit includes the De Propris et al. (2007) local value.

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