Cold gas and dust: Hunting spiral-like structures in early-type galaxies

Open Access

Table 4.

Comparison of the average dust masses for gas-rich (GR) and gas-poor (GP) galaxies.

M_dust, GR	M_dust, GP	GR/GP	M_⋆ range	Ref.
[M_⊙]	[M_⊙]	–	[M_⊙]
5.2	4.4	6.3	∼10.0−11.5	1
6.5	6.4 (5.8) ^(a)	5.0	∼10.0−11.5	2 ^(b)
6.5	5.9	4.0	∼9.0−11.5	3 ^(c)
6.5	5.9	4.0	∼8.5−11.0	4 ^(d)

Notes.

^(a)

When we removed the two outlier ETGs from the statistics (see text).

^(b)

Calculated by using SED fitting including 140 μm data. We calculated the average value for the same sample galaxies studied in this work.

^(c)

Calculated by using Herschel/SPIRE observations for Virgo ETGs.

^(d)

Calculated by using Herschel/SPIRE observations for 62 ETGs (39 S0+S0a, and 23 E).

References. (1) This work. (2) Kokusho et al. (2019); (3) di Serego Alighieri et al. (2013); (4) Smith et al. (2012).

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