next up previous
Next: Physical Parameters Up: Solar Bag Numbers Previous: Corona

Selected Spectral Lines

Ion $\lambda (\AA)$ $\Delta \lambda$ $\log(T_{\rm {max}})$ (K) Layer Excit. Mech. Notes/Instrument(s)
H I, Ly-$\alpha$ 1216 84 4 CH TR;
H I, H$\alpha$ 6563 PH MLSO; Kitt/Sac; BBSO;
He II 304 TR EIT;
He I 10830
C IV 1550 20 [TR www pg] 5.0 [Jo69] TR;
O IV $\sim$ 1400 5.2 $n_e$; 1399.8,1401.2,1404.8,1407.4
Na $\rm {D}_2$ 5890 .8 PH-CH
Na $\rm {D}_1$ 5896 .6 PH-CH Mt.Wilson;
Ca II H 3968 PH-CH
Ca II K 3934 PH-CH MSO; Kitt/Sac; BBSO;
Ca XV 5694 6.6 [Ja80] CO forb [St89] ``yellow'' corona
Fe I 5250 PH Mt.Wilson;
Fe I 6302 PH increasingly used magnetograph doublet
Fe IX/X 173 6.4 [TR www pg] 6/6.1 [Ar85] TR TR; EIT;
Fe X 6374 6.1 [Ar85] CO forb [St89] ``red'' corona
Fe XII 195 6.5 [TR www pg] 6.2 [Ja77] TR forb TR; EIT;
Fe XIV 5303 6.3 [Ja77] CO forb [St89] ``green'' corona
Fe XV 284 10.7 [TR www pg] 6.3 [Ja77] TR TR; EIT;
Ni I 6768 PH SOI/MDI; GONG [SOHO Instrument Page]


next up previous
Next: Physical Parameters Up: Solar Bag Numbers Previous: Corona
Brian Welsch 2001-03-01