HARPS Exposure Time Calculator

Version 2.9.2 This application is an exposure time calculator for the ESO HARPS instrument. It is a HTML/Java application realized within the VLT Data Flow Project.	Version 2.9.2
	Description.
	F.A.Q
	Performance

Simulator Setup:

Input Flux Distribution:
- Source Type: Template spectra
- Spectral Type Name: Pickles_G2V
- Redshift Z: 0
- Object Magnitude: 7
- Band: V
Spatial Distribution: Point Source
Sky Conditions:
- Days From New Moon: 3
- Airmass: 1.6
- Seeing: 0.8 arcsec
Instrument Setup:
- HARPS fiber feed used
- Fiber Diameter: 1 arcsec
- Fiber entrance loss: 33.721 %
- Central Wavelength: 530 (nm)
- Detector Read Out Mode: fast
- Detector Gain: low
- Mask Binning: 1x1
- Exposure Time: 60 seconds.

Parameters for: HARPS, HARPS_JASMIN CCD
- Gain conversion factor = 1.42 e-/ADU
- Readout noise = 7.07 e-
- Saturation limit = 93061 e- (65535.9 ADU)

**Spectral Format, HARPS, HARPS_JASMIN CCD**
**Selected Central Wavelength 530 nm**
Order	wav of central column (nm)	y of central column (pix)	y of central column (arcsec)	FSR range (nm)	FSR l Min (nm)	FSR l Max (nm)	start wav (nm)	end wav (nm)	TS range (nm)
89	687.76	1984	496	7.72	683.43	691.15	683.59	691.30	7.71
90	680.12	1885	471	7.55	675.88	683.43	676.00	683.62	7.62
91	672.65	1788	447	7.39	668.49	675.88	668.57	676.11	7.54
92	665.34	1694	423	7.23	661.26	668.49	661.31	668.76	7.45
93	658.19	1601	400	7.07	654.19	661.26	654.20	661.57	7.37
94	651.19	1510	378	6.92	647.27	654.19	647.24	654.54	7.29
95	644.34	1421	355	6.78	640.49	647.27	640.43	647.65	7.22
96	637.63	1334	334	6.64	633.86	640.49	633.77	640.91	7.14
97	631.06	1249	312	6.50	627.35	633.86	627.23	634.30	7.07
98	624.62	1165	291	6.37	620.99	627.36	620.84	627.83	6.99
99	618.31	1083	271	6.24	614.75	620.99	614.57	621.49	6.92
100	612.13	1003	251	6.12	608.63	614.75	608.42	615.28	6.85
101	606.07	924	231	6.00	602.63	608.63	602.40	609.19	6.78
102	600.13	847	212	5.88	596.75	602.63	596.50	603.21	6.72
103	594.31	771	193	5.77	590.99	596.75	590.71	597.36	6.65
104	588.59	697	174	5.66	585.33	590.99	585.03	591.62	6.59
105	582.99	624	156	5.55	579.79	585.33	579.46	585.98	6.52
106	577.49	552	138	5.44	574.34	579.79	573.99	580.46	6.46
107	572.09	482	121	5.34	569.00	574.34	568.63	575.03	6.40
108	566.80	413	103	5.24	563.75	569.00	563.37	569.71	6.34
109	561.60	345	86	5.15	558.61	563.76	558.20	564.48	6.28
110	556.50	279	70	5.06	553.55	558.61	553.13	559.35	6.22
111	551.48	213	53	4.96	548.59	553.55	548.15	554.32	6.17
112	546.56	149	37	4.88	543.71	548.59	543.25	549.37	6.11
113	541.73	86	21	4.79	538.92	543.71	538.45	544.51	6.06
114	536.97	24	6	4.71	534.21	538.92	533.73	539.73	6.00

Parameters for: HARPS, HARPS_LINDA CCD
- Gain conversion factor = 1.4 e-/ADU
- Readout noise = 6.08 e-
- Saturation limit = 91750 e- (65535.7 ADU)

**Spectral Format, HARPS, HARPS_LINDA CCD**
**Selected Central Wavelength 530 nm**
Order	wav of central column (nm)	y of central column (pix)	y of central column (arcsec)	FSR range (nm)	FSR l Min (nm)	FSR l Max (nm)	start wav (nm)	end wav (nm)	TS range (nm)
116	527.73	1992	498	4.55	525.04	529.59	524.54	530.43	5.90
117	523.22	1933	483	4.47	520.58	525.04	520.05	525.90	5.85
118	518.78	1874	469	4.39	516.18	520.58	515.65	521.44	5.80
119	514.43	1817	454	4.32	511.86	516.18	511.32	517.06	5.75
120	510.14	1761	440	4.25	507.62	511.86	507.06	512.76	5.70
121	505.92	1706	426	4.18	503.44	507.62	502.87	508.52	5.65
122	501.78	1652	413	4.11	499.33	503.44	498.75	504.35	5.61
123	497.70	1598	400	4.04	495.29	499.33	494.69	500.25	5.56
124	493.69	1545	386	3.98	491.31	495.29	490.70	496.22	5.52
125	489.74	1494	373	3.91	487.39	491.31	486.78	492.25	5.47
126	485.85	1443	361	3.85	483.54	487.39	482.92	488.34	5.43
127	482.03	1392	348	3.79	479.75	483.54	479.11	484.50	5.38
128	478.26	1343	336	3.73	476.01	479.75	475.37	480.71	5.34
129	474.56	1294	324	3.68	472.34	476.01	471.69	476.99	5.30
130	470.91	1246	311	3.62	468.72	472.34	468.06	473.32	5.26
131	467.31	1199	300	3.56	465.15	468.72	464.49	469.71	5.22
132	463.77	1152	288	3.51	461.64	465.15	460.97	466.15	5.18
133	460.29	1106	277	3.46	458.19	461.64	457.51	462.65	5.14
134	456.85	1061	265	3.41	454.78	458.19	454.09	459.19	5.10
135	453.47	1016	254	3.36	451.42	454.78	450.73	455.79	5.06
136	450.14	972	243	3.31	448.12	451.42	447.42	452.44	5.03
137	446.85	929	232	3.26	444.86	448.12	444.15	449.14	4.99
138	443.61	886	222	3.21	441.65	444.86	440.93	445.89	4.95
139	440.42	844	211	3.17	438.48	441.65	437.76	442.68	4.92
140	437.28	803	201	3.12	435.36	438.48	434.64	439.52	4.88
141	434.18	762	190	3.08	432.28	435.36	431.55	436.40	4.85
142	431.12	721	180	3.03	429.25	432.28	428.52	433.33	4.81
143	428.11	682	170	2.99	426.26	429.25	425.52	430.30	4.78
144	425.13	642	161	2.95	423.31	426.26	422.57	427.31	4.74
145	422.20	603	151	2.91	420.40	423.31	419.65	424.36	4.71
146	419.31	565	141	2.87	417.53	420.40	416.78	421.46	4.68
147	416.46	527	132	2.83	414.70	417.53	413.94	418.59	4.65
148	413.65	490	123	2.79	411.91	414.70	411.15	415.76	4.62
149	410.87	453	113	2.76	409.15	411.91	408.39	412.97	4.58
150	408.13	417	104	2.72	406.43	409.15	405.67	410.22	4.55
151	405.43	381	95	2.68	403.75	406.43	402.98	407.50	4.52
152	402.76	346	86	2.65	401.10	403.75	400.33	404.82	4.49
153	400.13	311	78	2.61	398.49	401.10	397.71	402.18	4.46
154	397.53	277	69	2.58	395.91	398.49	395.13	399.57	4.43
155	394.97	243	61	2.55	393.36	395.91	392.58	396.99	4.41
156	392.44	209	52	2.51	390.85	393.36	390.07	394.45	4.38
157	389.94	176	44	2.48	388.37	390.85	387.58	391.93	4.35
158	387.47	143	36	2.45	385.92	388.37	385.13	389.45	4.32
159	385.03	111	28	2.42	383.50	385.92	382.71	387.00	4.29
160	382.63	79	20	2.39	381.11	383.50	380.32	384.59	4.27
161	380.25	47	12	2.36	378.75	381.11	377.96	382.20	4.24

HARPS Exposure Time Calculator

Version 2.9.2

Simulator Setup: