Segunda parte. IRAS Vela Shell IRAS 100µ (30° x 30°)  Pup  Vel Feitzinger & Stüwe 1984 Fig. 1 14°x14°

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Presentation transcript:

Segunda parte

IRAS Vela Shell

IRAS 100µ (30° x 30°)  Pup  Vel Feitzinger & Stüwe 1984 Fig. 1 14°x14°

Pereyra & Magalhães 04

Pereyra & Magalhães 06

Chandrasekhar & Fermi 51 Estimating Magnetic Fields ρ : density ν : turbulent velocity Δθ: polarization angle dispersion

Pereyra & Magalhães 06 B = 18 ± 13 μG

Evaluating Mass-to-Magnetic flux ratio (M / Φ) crit : critical value for the mass can be supported by a magnetic flux N (H 2 ) : H 2 column density Crutcher 2004 λ < 1 subcritical regime, magnetic support prevents collapse and star formation

Pereyra & Magalhães 06 Results support subcritical regime

Lupus Dark Cloud Alves & Franco 06

Sigue tercera parte

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