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Table 4

Physical conditions separated by component.

Component Vlsr FWHM Tkin nH2 NCO NH2 X(HCO+)a
(km s-1) (km s-1) (K) (cm-3) (cm-2) (cm-2)

Foreground A  +0.2 0.8 10  ≳3  × 1017  ≳3  × 1021
Foreground B  +13  ≲6  × 1015  ~8 × 1020–6 × 1021
Outflow −7  ~6–10 60–200  ~105–106 1.5 × 1018b 1.5 × 1022  ~10-9–10-8
Envelopec −5.7  ~ 3–4 23–372  ~103–4 × 107  ~1018  ~1022 4 × 10-10–1 × 10-8

Notes. A “–” symbol indicates that the corresponding quantity is unknown for that component.

(a)

Molecular abundance of HCO+ relative to H2.

(b)

Scaled from NC18O = 3 × 1015 cm-2.

(c)

Envelope number density and kinetic temperature ranges are taken from the parameterization of the spherically symmetric model (Sect. 4).

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