On the buildup of massive early-type galaxies at z 1 - I. Reconciling their hierarchical assembly with mass downsizing

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Table 2:

SFRs, metallicities, and internal dust extinction per galaxy type.
Galaxy type	SFR	$\tau_*^{\rm a}$	$Z^{\rm b}$	$\tau_{\rm dust,star}(B,{\rm @}R_{25}/2)^{\rm c}$
(1)	(2)	(3)	(4)	(5)
E-S0a	SSP	...	0.02	0.10
Sa-Sab	exponential	4	0.02	0.55
Sb-Sbc	exponential	7	0.008	0.70
Sc-Scd	exponential	9	0.004	0.37
Sd-Irr	constant	...	0.004	0.09

Notes. ^(a) e-folding timescale in Gyr; ^(b) metallicity; ^(c) optical depth in B due to internal dust extinction (M09). See the text for more details.

Source LaTeX | All tables | In the text

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