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Table 2

Dust and free-free parameters for each envelope around sources in Sgr B2(M).

Source Tdust (K) NH,dust (cm−2) βdust γdust (%) Te (K) EM (pc cm−6) γff (%)
Envelope

A01 61 ± 19
A02 77 ± 38
A03 55 ± 10
A04 71 ± 53
A05 71 ± 47
A06 81 ± 30
A07 96 ± 128
A08 88 ± 43
A09 114 ± 84
A10(*) 54 ± 41
A11 51 ± 17
A12 71 ± 37
A13 72 ± 38
A14 72 ± 36
A15 67 ± 17
A16 65 ± 15
A17 55 ± 23
A18(*) 83 ± 6
A19 46 ± 0
A20(*) 64 ± 19
A21 86 ± 10
A22 60 ± 7
A23 70 ± 10
A24 50 ± 87
A25(*) 53 ± 51
A26 162 ± 45
A27(*) 70 ± 14

Notes. Exponents are given in parentheses, e.g., 1.4(16) = 1.4 × 1016. The errors of the continuum parameters are indicated by subscript (left) and superscript (right) values, e.g., is the lower limit of 1.1 × 10+25 − 3.1 × 10+00 and 1.1 × 10+25 + 2.2 × 10+00 is the upper limit of the corresponding hydrogen column density of 1.1 × 10+25. For sources marked with an asterisk (*), we could not derive a self-consistent description of the continuum of the corresponding core spectrum. Here Tdust indicates the dust temperature in K, NH,dust the hydrogen column density in cm−2, and βdust the power-law index of the dust emissivity. We use temperature units for the fitting. Therefore, the spectral indices for flux units α is given by α = β + 2. Additionally, γdust describes the contribution of dust to the total continuum of the corresponding core spectrum in %, Te the electron temperature in K, EM the emission measure in pc cm−6, and γff the free-free contribution to the total continuum in %.

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