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Chromosphere

Structure Size (Mm) $\tau_{\rm {life}}; \tau_{\rm {var}}$ $T$(K) $n_e(\rm {cm}^-3)$ $B$ (G) Misc. Refs
Canopy AR(QS) $z =$ .75(1.6) Mm [Pr82], p. 24
Spicule $L=15;W=.5-1.2$ 5-10 min. 1-2 x $10^4$ .3-3x$10^{11}$ $v$=25 km/s; $z<11$ Mm; $v_{\rm {rot}} \gg 0; \langle \theta \rangle
= 20^{\circ}$ [Pr82], p. 26
Fibrils/Mottles $L=10;W=1$ dark in H$\alpha$; 50 % area cov. [Pr82], p.27
Macrospicules $W=4-11$ 8-45 min $10^{10}$ $z_{\rm {max}}=4-40$ Mm; $v=10-150$ km/s [Pr82], p.29
Network sup'gran. bounds, in Ca II K [Pr82], p. 26


next up previous
Next: Corona Up: Morphology Previous: Photosphere
Brian Welsch 2001-03-01