03.11.2015 Views

Struttura e dinamica della Galassia

Struttura e dinamica della nostra galassia - Dipartimento di Fisica e ...

Struttura e dinamica della nostra galassia - Dipartimento di Fisica e ...

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Formule di Oort<br />

¤<br />

l<br />

l<br />

Θ 0<br />

v r = Θ cos α – Θ 0 sin l ≈ A d sin 2l<br />

d<br />

v t = Θ sin α – Θ 0 cos l ≈ (B+A cos 2l) d<br />

★<br />

R 0<br />

R<br />

α<br />

Θ<br />

1 Θ 0 dΘ<br />

A = - -<br />

2 R 0 dR R 0<br />

α<br />

1 Θ 0 dΘ<br />

B = - - +<br />

2 R 0 dR R 0<br />

CG<br />

20

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!