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Corona

Structure Size (Mm) $\tau_{\rm {life}}; \tau_{\rm {var}}$ $T$(MK) $n_e(\rm {cm}^-3)$ $B$ Misc. Refs
Cor. Hole 450 mos 1 - 1.5 2 x $10^8$ polar holes: $\sim$ 800 Mm [Ph92,Ph92,Ph92,Ph92]
Helmet Streamer $\sim R_{\odot}$ weeks 1.4 - 2 $v_A(c_s) \simeq$700(150)km/s [Go97,Go97,Go97,Go97]
Prominence - QS $L=200;W=6$ mos 7x$10^{-3}$ $10^{10}-10^{11}$ 5-10 G $z_{\rm {max}}<$ 50 Mm [Pr82,Pr82,Pr82,Pr82,Pr82]
- AR $L=60;W=2$ days " $> 10^{11}$ 100 G $z_{\rm {max}}<$ 20 Mm "
Active Region 100 [sic] mos 1-7 x $10^9$ [Ph92,Ph92,Ph92]
X-ray Bright Pt dia(cores) = 22(6) 8 h; mins 2-2.5 5 x $10^9$ 2x$10^{19}$ Mx Eph. Reg. in mag'gram [Go97, all]
Loops - QS 20-700 1.8 .2-1x$10^9$ outside holes [Pr82,Pr82,Pr82]
- AR 10-100 $10^{-2}$-2.5 .5-5x$10^9$ " "
- Interconn. 20-700 sing(syst):day(mos) 2-3 .7x$10^9$ " ; join A.R.'s "
- Post Flare 10-100 $10^{-2}$-4 $10^{11}$ " "
- Compact Flare 5-50 $<$ 40 $< 10^{12}$ " "
Polar Plumes $W=7$ $> 70^{o}$lat, only if no hel.strmrs. [Go97,Go97]


next up previous
Next: Selected Spectral Lines Up: Morphology Previous: Chromosphere
Brian Welsch 2001-03-01