Isolated elliptical galaxies in the local Universe

I. Lacerna; H. M. Hernández-Toledo; V. Avila-Reese; J. Abonza-Sane; A. del Olmo

doi:10.1051/0004-6361/201527844

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Volume 588 (April 2016)

A&A, 588 (2016) A79

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Table 1

Physical properties of isolated ellipticals and E galaxies in the Coma supercluster.

	Isolated						Coma

Property		Mean	σ	Median	16th	84th		Mean	σ	Median	16th	84th

log(M_s)^a		10.55	0.46	10.62	10.17	10.95		10.55	0.29	10.51	10.24	10.84
g−i		1.18	0.10	1.19	1.09	1.28		1.20	0.05	1.20	1.14	1.24
log(sSFR)^b		–11.88	0.52	–12.00	–12.27	–11.61		–12.11	0.30	–12.17	–12.36	–11.87
		–21.87	1.06	–22.02	–22.77	–20.95		–21.78	0.69	–21.71	–22.51	–21.05
B−R		1.62	0.10	1.63	1.53	1.72		1.64	0.05	1.64	1.58	1.68
log(R_deV)^c		0.53	0.25	0.55	0.29	0.76		0.50	0.20	0.50	0.33	0.69
log(age)^d		9.63	0.30	9.67	9.42	9.86		9.72	0.20	9.74	9.59	9.88

Notes. For each property, the columns correspond to the mean, its standard deviation, the median, the 16th, and 84th percentiles.

^(a)

log₁₀ of the stellar mass in units of h^-2 M_⊙.

^(b)

log₁₀ of the specific star formation rate in units of yr^-1.

^(c)

log₁₀ of the radius of a de Vaucouleurs fit in the r-band in units of kpc (h = 0.7).

^(d)

log₁₀ of the light-weighted stellar age in units of yr.

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