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Table 1

Summary of the properties of SMM 3.

Parameter Value
SMM 3
α2000.0a 05h42m
δ2000.0a –01°16′16′′
vLSRb 8.68 ± 0.06 km s-1
Reffc 133 (0.03 pc)
Tkind 11.3 ± 0.8 K
Tduste K
8.0 K
σNTd 0.14 ± 0.003 km s-1
σNT/csd 0.7 ± 0.04
Mf 7.8 ± 1.6 M⊙/2.1 ± 0.8 M⊙
αvirg 0.5 ± 0.1
N(H2)f 8.4 ± 1.1 × 1022/1.0 ± 0.3 × 1023 cm-2
 ⟨ n(H2) ⟩ f 1.1 ± 0.2 × 105/4.0 ± 1.5 × 105 cm-3
Lbol = Lcold + Lwarm (0.3 ± 0.1) + (0.9 ± 0.1) = 1.2 ± 0.1 L⊙
Lsubmm/Lbolh 0.1
fD(CO) 10.8 ± 2.2
 [N2D + ] / [N2H+]  0.338 ± 0.092
SMM 3b
α2000.0a 05h42m
δ2000.0a –01°16′24′′
N(H2)i 0.7 ± 0.2 × 1022 cm-2
SMM 3c
α2000.0a 05h42m
δ2000.0a –01°16′32′′
N(H2)i 0.7 ± 0.2 × 1022 cm-2

Notes. 

(a)

SABOCA 350-μm peak position.

(b)

The LSR velocity derived from optically thin C17O(2 − 1) line.

(c)

Effective radius of the “main” core as determined from the SABOCA 350-μm map.

(d)

Derived from NH3 data. σNT and cs are, respectively, the one dimensional non-thermal velocity dispersion and the isothermal sound speed.

(e)

Computed from the 350-to-870 μm flux density ratio.

(f)

The first value refers to the LABOCA 870-μm core, and the second one to the “main” core detected at 350 μm.

(g)

Virial parameter defined by αvir = Mvir/M.

(h)

Lsubmm is the submm luminosity derived by integrating the SED longward of 350 μm.

(i)

Calculated by making the assumption that Tdust equals the Tkin derived for the “main” core.

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