SDSS NGC Spectro Baseline

SDSS 5-Year Baseline Survey
Baseline Performance Metrics for Spectroscopy - Northern Survey Region
Revised 06-Feb-2001
Period		Available dark hrs.		Spectro fraction	Weather	System uptime	Spectro efficiency	Spectro ops.	End game	Available spectro hours	Num of spectro plates
2000	Q1	-		-	-	-	-	-	-	0	0
	Q2	277		0	0.6	0.7	0.65	0	1	0	0
	Q3	40		0	0.5	0.8	0.65	0	1	0	0
	Q4	196		0	0.6	0.9	0.65	0	1	0	0
2001	Q1	464		0.7	0.6	0.9	0.65	0.75	1	85.5	114
	Q2	277		0.7	0.6	0.9	0.65	0.9	1	61.3	82
	Q3	40		0.7	0.5	0.9	0.65	0.9	1	7.4	10
	Q4	196		0.7	0.6	0.9	0.65	0.9	1	43.3	58
2002	Q1	464		0.7	0.6	0.9	0.65	0.9	1	102.6	137
	Q2	277		0.7	0.6	0.9	0.65	0.9	1	61.3	82
	Q3	40		0.7	0.5	0.9	0.65	0.9	1	7.4	10
	Q4	196		0.8	0.6	0.9	0.65	0.9	1	49.5	66
2003	Q1	464		0.8	0.6	0.9	0.65	0.9	1	117.3	156
	Q2	277		0.8	0.6	0.9	0.65	0.9	1	70.0	93
	Q3	40		0.8	0.5	0.9	0.65	0.9	1	8.4	11
	Q4	196		0.8	0.6	0.9	0.65	0.9	1	49.5	66
2004	Q1	464		0.8	0.6	0.9	0.65	0.9	1	117.3	156
	Q2	277		0.8	0.6	0.9	0.65	0.9	1	70.0	93
	Q3	40		0.8	0.5	0.9	0.65	0.9	1	8.4	11
	Q4	196		1	0.6	0.9	0.65	0.9	1	61.9	83
2005	Q1	464		1	0.6	0.9	0.65	0.9	1	146.6	195
	Q2	277		1	0.6	0.9	0.65	0.9	1	87.5	117
TOTAL		5162								1155.1	1540