Exploring molecular complexity with ALMA (EMoCA): Detection of three new hot cores in Sagittarius B2(N)

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Table 3

Dust opacity of the five hot cores for a dust temperature of 150 K.

Source	τ_ALMA ^a	τ_SMA(1.6″) ^b	τ_SMA(0.3″) ^c

N1	0.36	0.95	_ ^*
N2	0.05	0.19	0.61
N3	<0.009	<0.02	<0.07
N4	0.008	<0.06	<0.12
N5	0.03	<0.15	<0.25

Notes.

^(a)

Dust opacity calculated based on the ALMA data. has been corrected for the primary beam attenuation and the free-free contamination.

^(b)

Dust opacity calculated based on the SMA map smoothed to the ALMA resolution (~1.6″).

^(c)

Dust opacity calculated based on the SMA map at its original resolution (~0.3″).

^(*)

Optically thick and inconsistent with a temperature of 150 K.

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