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Table 5

Outflow properties of the red and blue outflow lobes of IRAS 4A and IRAS 4B.

Outflow properties
Source Trans. Lobe V max a R CO a t dyna,b N H2 M outflow c Ṁa,e F COa,f L kina,g
[km s-1] [AU] [yr] [cm-2] [M⊙] [M⊙ yr-1] [M⊙ yr-1 km s-1] [L⊙]
IRAS 4A CO 3–2 Blue 22 2.8  × 104 5.9  × 103 8.6  × 1021 1.3  × 10-2 2.1  × 10-6 5.0  × 10-5 2.9  × 10-4
Red 18 3.9  × 104 1.0  × 104 1.2  × 1022 1.8  × 10-2 1.7  × 10-6 3.9  × 10-5 2.0  × 10-4
CO 6–5 Blue 20 2.5  × 104 5.9  × 103 1.0  × 1022 6.1  × 10-3 1.0  × 10-6 3.1  × 10-5 2.2  × 10-4
Red 18 3.5  × 104 9.2  × 103 1.8  × 1022 1.0  × 10-2 1.1  × 10-6 3.7  × 10-5 2.5  × 10-4
IRAS 4B CO 3–2 Blue 18 3.5  × 103 ... 4.6  × 1020 6.7  × 10-4 ... 1.9  × 10-5 1.1  × 10-4
Red 15 4.7  × 103 ... 7.5  × 1020 1.1  × 10-3 ... 2.0  × 10-5 9.7  × 10-5
CO 6–5 Blue 20 1.9  × 103 ... 1.0  × 1021 6.0  × 10-4 ... 3.4  × 10-5 2.5  × 10-4
Red 12 7.5  × 102 ... 9.1  × 1020 5.3  × 10-4 ... 7.7  × 10-5 4.5  × 10-4

Notes.  , and

(a)

Uncorrected for inclination.

(b)

Dynamical timescale.

(c)

Constant temperature of 75 K assumed for the CO 6–5 calculations, and 50 K assumed for the CO 3–2 calculations. Uncorrected for inclination as explained in Sect. 4.2.3.

(e)

Mass outflow rate,

(f)

outflow force

(g)

kinetic luminosity.

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