Magnetic field morphology in nearby molecular clouds as revealed by starlight and submillimetre polarization

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Table 3

Quantities derived from the angular structure function S₂(ℓ).

Region	ΔS₂(1.5′) ^a^b	ΔS₂(10.2′) ^a^c	⟨ ΔS₂(ℓ) ⟩ _{ℓ> 10′}
	[deg]	[deg]	[deg]

Taurus ..........	7.6	14.5	− ^d
Pipe ..........	7.3	9.3	7.8±2.5
Lupus I ..........	12.5	20.7	14.7±4.4
Musca ..........	6.0	8.4	7.7±0.4

Notes.

^(a)

ΔS₂(ℓ) as defined in Eq. (12).

^(b)

1.5′ corresponds to the center of the first ℓ-bin in the range 0′ <ℓ< 2.9′.

^(c)

10.2′ corresponds to the center of the ℓ-bin in the range 8.8′ <ℓ< 11.7′.

^(d)

Towards Taurus, we found < for a wide range of ℓ. This effect, produced by an insufficient amount of starlight polarization observations to cover those scales, makes the corresponding values of ⟨ ΔS₂(ℓ) ⟩ _{ℓ> 10′} imaginary and not meaningful.

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