The Hubble sequence: just a vestige of merger events?

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Table 1:

Morpho-kinematical classification of 52 $z_{\rm median}$ = 0.65 galaxies.
Redshift	$z_{\rm median}$ = 0.65	$z_{\rm median}$ = 0.65	$z_{\rm median}$ = 0.65	z=0
	Starburst (60%)	Quiescent (40%)	All	local
	$W_0({\rm OII})\ge$ 15 Å	$W_0({\rm OII})<$ 15 Å	All	All
references	N08	Z06	N08	N04
				H05
type
E/S0	0%	57%	23%	27%
Rotating spiral disks	23%	43%	31%	70%
Non-relaxed &	77%	0%	46%	$\sim$ 3%
intermediate systems
Galaxies with
anomalous	68%	0%	41%
kinematics

From Neichel et al. (2008) (see their Table 4); for comparison, the last column shows the fractions derived from the SDSS (Nakamura et al. 2004) for galaxies in the same mass range (e.g. Hammer et al. 2005). CFRS (Hammer et al. 1997) found that 60% of $z_{\rm median}$ = 0.65 galaxies have spectra with $W_0({\rm OII})$ $\ge$ 15 Å and are classified as starbursts. References are Neichel et al. (2008): N08, Zheng et al. (2004): Z06, Nakamura et al. (2004): N04 and Hammer et al. (2005): H05.

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