EUROPEAN SOUTHERN OBSERVATORY

La Silla Science Operations: NTT

FF Lamp Voltages: what voltage/time for which set-up

RILD Imaging

Filter	Old CCD (30000 ADU)		New CCD (20000 ADU)				New CCD (30000 ADU)
			bin 2x2.		bin 1x1		bin 2x2		bin 1x1
	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time
Bb (#605)	110	15s	100	14s	128	19.3s	128	7.2s	-	-
V (#606)	55	15s	50	17s	90	9s	65	9s	100	6s
R (#608)	40	15s	35	12s	60	6.5s	45	7.2s	50	19s
I (#610)	30	15s	25	20s	45	8.6s	30	16s	50	8.1s
Z (#611)	30	15s	-	-	35	13.3s	-	-	-	-
Ha (#596)	70	30s	-	-	-	-	-	-	-	-
Ha (#598)	70	30s	-	-	-	-	-	-	-	-
NII (#595)	70	30s	-	-	-	-	-	-	-	-
r (#773)	42	15s	-	-	-	-	-	-	-	-
i (#774)	30	15s	-	-	25	20s	-	-	-	-
z (#775)	42	15s	-	-	-	-	-	-	-	-
OIII (#589)	-	-	-	-	2x128	37.5	-	-	-	-
HeII (#654)	-	-	-	-	2x128	24.7	-	-	-	-

Blue Imaging

Filter	Old Lamps (30000 ADU)		New Lamps (20000 ADU)				New Lamps (30000 ADU)
			bin 2x2.		bin 1x1		bin 2x2		bin 1x1
	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time
U (#602)	180	15s	-	-	-	-	-	-	300	32.3
B (#603)	90	15s	-	-	-	-	-	-	128+70	9s
B (#604)	90	15s	-	-	-	-	-	-	-	-

RILD Spectroscopy

Grism - slit	Old CCD (30000 ADU)		New CCD (20000 ADU)				New CCD (40000 ADU)
			bin 2x2.		bin 1x1		bin 2x2		bin 1x1
	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time
Gr#1 - 1"	110	15s	128	6.1s	-	-	-	-	110	6.0s
Gr#1 - 5"	65	15s	75	5.2s	-	-	-	-	-	-
Gr#2 - 1"	150	15s	-	-	-	-	-	5.9s	-	-
Gr#2 - 5"	90	15s	-	-	-	-	-	-	-	-
Gr#3 - 1"	160	15s	128x2	16.8	-	-	-	8.1s	-	-
Gr#3 - 5"	95	15s	80	23.3s	-	-	-	-	-	-
Gr#4 - 1"	140	15s	128	9s	900	90s	-	9.3s	-	-
Gr#4 - 5"	80	15s	60	13s	600	60s	-	-	-	-
Gr#5 - 1"	190	15s	300	8.9s	-	-	-	15.1s	-	-
Gr#5 - 5"	115	15s	-	-	-	-	125 (30K)	23s	-	-
Gr#6 - 1"	200	15s	-	-	-	-	-	18.1s	-	-
Gr#6 - 5"	110	15s	128	6.9s	-	-	125 (30K)	28s	-	-
Gr#7 - 1"	100	15s	-	-	-	-	-	6.5s	-	-
Gr#7 - 5"	55	15s	-	-	-	-	-	-	-	-

RILD MOS Spectroscopy

Grism - slit	Old CCD (35000 ADU)		New CCD (20000 ADU)				New CCD (40000 ADU)
			bin 2x2.		bin 1x1		bin 2x2		bin 1x1
	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time
Gr#1 - 1"	2x128	19s	-	-	-	-	-	-	-	-
Gr#2 - 1"	-	-	-	-	-	-	-	-	-	-
Gr#5 - 1"	3x150	38.4	-	-	-	-	-	-	-	-

REMD Spectroscopy

Grating - slit	Old CCD (30000 ADU)		New CCD (30000 ADU)				New CCD (45000 ADU)
			bin 2x2.		bin 1x1		bin 2x2		bin 1x1
	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time
Grat#6 - 1"	260	40s	1300-2000[a]	19s-26s[b]	-	-	-	-	-	-
Grat#7 - 1"	200	110s	1300[a]	9.4s[c]	-	-	-	-	-	-
Grat#8 - 1"	150	30s	300[a]	9s-22s[b]	-	-	-	-	-	-
Grat#8 - 5"	-	-	128[a]	15.2[c]	-	-	-	-	-	-
Grat#13 - 1"	120	25s	300[a]	9s	-	-	-	-	-	-

[a]New lamps
[b]depending on central wavelength
[b]at 625nm
[b]at 850nm

REMD Echelle Spectroscopy

Grating - slit	New CCD (30000 ADU)				New CCD (45000 ADU)
	bin 2x2.		bin 1x1		bin 2x2		bin 1x1
	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time
Ech9+Gr#3 - 5"x3"	600	16.8s	-	-	-	-	-	-
Ech9+Gr#4 - 5"x5"	300	16.8s	-	-	-	-	-	-
Ech10+Gr#3 - 1"	60	10.7s	-	-	-	-	-	-
Ech10+Gr#3 - 5"	35	18.9s	-	-	-	-	-	-
Ech10+Gr#3 - 5"x3"	2000	15.4s	-	-	-	-	-	-
Ech10+Gr#4 - 5"x5"	2000	6.2s	-	-	-	-	-	-
Ech10+Gr#5 - 1"	80	11.3s	-	-	-	-	-	-
Ech10+Gr#5 - 5"	35	68.5s	-	-	-	-	-	-
Ech10+Gr#5 - 5"x5"	2000	25.7s	-	-	-	-	-	-
Ech10+Gr#6 - 5"x5"	2000	13.6s	-	-	-	-	-	-
Ech14+Gr#3 - 1''x3''
Ech14+Gr#4 - 1''x3''	All*	22s	All*	80
Ech14+Gr#5 - 1''x3''	All*	46s	All*	162
Ech14+Gr#3 - 1''x3''

BLMD Spectroscopy

Grating - slit	Old Lamps (30000 ADU)		New Lamps (20000 ADU)				New Lamps (45000 ADU)
			bin 2x2.		bin 1x1		bin 2x2		bin 1x1
	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time	Voltage	Exp.Time
Grat#3 - 1"	-	-	2000	7.27	-	-	-	-	-	-
Grat#4 - 1"	200	40s	2x800	30s	-	-	-	-	-	-
Grat#5 - 1"	200	20	2x650	26s	-	-	-	-	-	-
Grat#5 - 10"	90	40	-	-	-	-	-	-	-	-