TRACE sensitivity

Estimated exposure rates (electrons/pixel/second).

Filter name	1216A	1550A	1600A	1700A	WL
Filter pos.	13	21	16	18	15
Active region	45	7	100	20	22000
Active region at limb	100	20	270	40	22000
Quiet region	30	4	80	20	22000
Quiet region at limb	30	7	90	20	22000

Sample exposures in seconds (for 1/2 well or 2048DN)

Filter name	1216A	1550A	1600A	1700A	WL
Filter pos.	13	21	16	18	15
Active region	45	290	20	100	0.093
Active region at limb	20	100	8	50	0.093
Quiet region	70	500	25	100	0.093
Quiet region at limb	70	300	25	100	0.093

Sample exposures in seconds (for 1/10 well of 410DN) >

Filter name	1216A	1550A	1600A	1700A	WL
Filter pos.	13	21	16	18	15
Active region	9	60	4	20	0.019
Active region at limb	4	20	1.5	10	0.019
Quiet region	14	100	5	20	0.019
Quiet region at limb	14	60	5	20	0.019

Note: The estimates for Lyman alpha are as yet very uncertain.

Estimates by Brian Handy, 24 April 1997.

Sample exposures in seconds (Leon Golub; 15 Aug. 1997)

Filter name	171A	195A	284A
Filter pos.	2	6	10
Quiet	25	40	20
Medium	18	28	12
Active	4	8	9