Transition Region and Coronal Explorer

Figure 3.3: TRACE spacecraft. The three triangular windows are the EUV filters. The fourth circular window is the UV entrance filter.

Table 3.2: Summary of TRACE filter passbands (Handy et al. 1999a)

Central Wavelength (Å)	Emission	Bandwidth	Temperature
		(Å)	log10 (K)
171	Fe IX/X	6.4	5.2-6.3
195	Fe XII/XXIV	6.5	5.7-6.4, 7.0-7.4
284	Fe XV	10.7	6.1-6.6
1216	Ly	84	4.0-4.5
1550	C IV	30	4.8-5.4
1600	UV cont.	275	3.6-4.0
1700	UV cont.	200	3.6-4.0
5000	White light	broad	3.6-3.8