UVES Exposure Time Calculator

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UVES POP tables: IC 2391 - NGC 6475 - Field Stars - Brightest Stars

Near Ultraviolet-Visual-Near Infrared Spectroscopy Mode Version 2.8.5 This application is an exposure time calculator for the ESO UT2 UVES instrument. It is a HTML/Java application realized within the VLT Data Flow Project.	Version 2.8.5
	Description.
	F.A.Q
	Performance

Simulator Setup:

Input Flux Distribution:
- Source Type: Template spectra
- Spectral Type Name: Pickles_A0V
- Redshift Z: 0
- Object Magnitude: 6
- Band: V
Spatial Distribution: Point Source
Sky Conditions:
- Days From New Moon: 7
- Airmass: 1.3
- Seeing: 1.5 arcsec
Instrument Setup:
- Pre Slit Filter: comp/filt/nofilter.dat
- Image Slicer: None
- Slit Width: 0.5 arcsec
- Observation Mode: STANDARD Template.
- Central Wavelength: 580 (nm)
- Camera Tilt: 0 pixel(s)
- Dicroic Selection: Dicroic1
- Arm Cross Disperser Combination: Red, CD#3
- Below Slit Filter: ins/ut2/uves/eqm/filt/flt_red_BS4-SHP700.dat
- Detector Read Out Mode: fast
- Detector Gain: low
- Mask Binning: 1x1
- Exposure Time: 60 seconds.

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UVES POP tables: IC 2391 - NGC 6475 - Field Stars - Brightest Stars

Parameters for: Red, CD#3, MIT-LL CCD
- gain conversion factor = 1.5 e-/ADU

**Spectral Format, Red, CD#3, MIT-LL CCD**
**Selected Central Wavelength 580 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)
90	678.54	1953	355	7.53	674.12	681.65	672.33	683.49	11.16
91	671.09	1800	328	7.37	666.75	674.12	664.94	675.98	11.04
92	663.79	1651	300	7.21	659.55	666.76	657.71	668.64	10.92
93	656.66	1504	274	7.05	652.49	659.55	650.64	661.45	10.81
94	649.67	1361	248	6.90	645.59	652.49	643.72	654.41	10.70
95	642.84	1221	222	6.76	638.83	645.59	636.94	647.53	10.59
96	636.14	1084	197	6.62	632.21	638.83	630.30	640.79	10.48
97	629.58	949	173	6.48	625.73	632.21	623.80	634.18	10.38
98	623.16	818	149	6.35	619.37	625.73	617.44	627.71	10.28
99	616.87	689	125	6.22	613.15	619.37	611.20	621.38	10.18
100	610.70	562	102	6.10	607.05	613.15	605.09	615.17	10.08
101	604.65	439	80	5.98	601.07	607.05	599.10	609.08	9.98
102	598.73	317	58	5.86	595.20	601.07	593.22	603.11	9.89
103	592.92	199	36	5.75	589.45	595.20	587.46	597.26	9.80
104	587.22	82	15	5.64	583.81	589.45	581.81	591.52	9.71

Slit transmission: 0.305289
Medium pixel scale on Y direction: 0.182 arcsec/pix
Number of Pixels per Bin on X direction: 1 pix/bin
PSF extension (Number of pixels along Y over which the sky signal is integrated): 16 pix(s)
Slit_Width * Bin_Scale * PSF_Extension: 1.456 arcsec²
Number of bins along Y over which the sky signal is integrated: 16 bin(s)
Read Out Noise is 3.8 e-
Dark Current is 1 e/h

**Detected Counts (Dicroic1 Arm Red, CD#3, MIT-LL CCD)**
	FSR Min Wavelength					Wavelength of central column							FSR Max Wavelength
Order	Eff. %	Obj e-	Sky e-	Imax e-	S/N per spectral bin	lambda (nm)	bin size (nm)	Eff. %	Obj e-	Sky e-	Imax e-	S/N per spectral bin	Eff. %	Obj e-	Sky e-	Imax e-	S/N per spectral bin
90	1.6	3.78e+04	0.309	7.5e+03	1.9e+02	678.54	0.0027	3.1	6.3e+04	0.523	1.2e+04	2.5e+02	1.5	2.68e+04	0.224	5.3e+03	1.6e+02
91	1.6	3.99e+04	0.316	7.9e+03	2e+02	671.09	0.0027	3.2	6.62e+04	0.532	1.3e+04	2.6e+02	1.6	2.78e+04	0.227	5.5e+03	1.7e+02
92	1.7	4.02e+04	0.319	8e+03	2e+02	663.79	0.0027	3.3	6.97e+04	0.543	1.4e+04	2.6e+02	1.6	2.94e+04	0.233	5.8e+03	1.7e+02
93	1.7	4.11e+04	0.316	8.1e+03	2e+02	656.66	0.0026	3.4	4.57e+04	0.545	9.1e+03	2.1e+02	1.7	2.98e+04	0.236	5.9e+03	1.7e+02
94	1.7	4.34e+04	0.313	8.6e+03	2.1e+02	649.67	0.0026	3.5	7.24e+04	0.54	1.4e+04	2.7e+02	1.7	3.05e+04	0.235	6.1e+03	1.7e+02
95	1.8	4.47e+04	0.312	8.9e+03	2.1e+02	642.84	0.0026	3.5	7.61e+04	0.538	1.5e+04	2.8e+02	1.7	3.24e+04	0.234	6.4e+03	1.8e+02
96	1.8	4.66e+04	0.316	9.2e+03	2.2e+02	636.14	0.0026	3.6	7.84e+04	0.538	1.6e+04	2.8e+02	1.8	3.35e+04	0.234	6.6e+03	1.8e+02
97	1.9	4.87e+04	0.318	9.7e+03	2.2e+02	629.58	0.0025	3.7	8.11e+04	0.545	1.6e+04	2.8e+02	1.8	3.5e+04	0.237	6.9e+03	1.9e+02
98	1.9	5.03e+04	0.315	1e+04	2.2e+02	623.16	0.0025	3.8	8.38e+04	0.547	1.7e+04	2.9e+02	1.9	3.67e+04	0.239	7.3e+03	1.9e+02
99	1.9	4.99e+04	0.306	9.9e+03	2.2e+02	616.87	0.0025	3.8	8.51e+04	0.537	1.7e+04	2.9e+02	1.9	3.8e+04	0.238	7.5e+03	1.9e+02
100	1.8	4.9e+04	0.292	9.7e+03	2.2e+02	610.70	0.0025	3.7	8.48e+04	0.518	1.7e+04	2.9e+02	1.9	3.78e+04	0.231	7.5e+03	1.9e+02
101	1.8	4.79e+04	0.278	9.5e+03	2.2e+02	604.65	0.0024	3.6	8.4e+04	0.495	1.7e+04	2.9e+02	1.8	3.72e+04	0.221	7.4e+03	1.9e+02
102	1.7	4.66e+04	0.265	9.2e+03	2.2e+02	598.73	0.0024	3.5	8.19e+04	0.472	1.6e+04	2.9e+02	1.8	3.65e+04	0.212	7.2e+03	1.9e+02
103	1.7	4.46e+04	0.252	8.9e+03	2.1e+02	592.92	0.0024	3.4	8.06e+04	0.45	1.6e+04	2.8e+02	1.7	3.56e+04	0.202	7.1e+03	1.9e+02
104	1.7	4.58e+04	0.241	9.1e+03	2.1e+02	587.22	0.0024	3.3	7.97e+04	0.428	1.6e+04	2.8e+02	1.7	3.42e+04	0.193	6.8e+03	1.8e+02

If in the table the Imax appears on a red background it means that the CCD detector has reached saturation. Please choose a different input parameters setting.

 ASCII data     GIF plot

 ASCII data     GIF plot

 ASCII data     GIF plot

 ASCII data     GIF plot

 ASCII data     GIF plot

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Return to UVES Paranal Observatory Project homepage

UVES POP tables: IC 2391 - NGC 6475 - Field Stars - Brightest Stars

Parameters for: Red, CD#3, EEV CCD
- gain conversion factor = 1.58 e-/ADU

**Spectral Format, Red, CD#3, EEV CCD**
**Selected Central Wavelength 580 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)
106	576.15	2005	365	5.43	572.85	578.28	570.84	580.37	9.53
107	570.77	1895	345	5.33	567.52	572.85	565.51	574.95	9.44
108	565.48	1787	325	5.23	562.29	567.52	560.27	569.63	9.36
109	560.30	1681	306	5.14	557.16	562.29	555.13	564.40	9.28
110	555.20	1577	287	5.04	552.11	557.16	550.08	559.27	9.20
111	550.20	1474	268	4.95	547.16	552.11	545.12	554.24	9.12
112	545.29	1374	250	4.86	542.30	547.16	540.25	549.29	9.04
113	540.47	1276	232	4.78	537.52	542.30	535.47	544.43	8.96
114	535.73	1179	215	4.69	532.83	537.52	530.77	539.66	8.89
115	531.07	1084	197	4.61	528.21	532.83	526.15	534.97	8.82
116	526.49	991	180	4.53	523.68	528.21	521.62	530.36	8.75
117	521.99	899	164	4.46	519.22	523.68	517.16	525.83	8.68
118	517.57	809	147	4.38	514.84	519.22	512.77	521.38	8.61
119	513.22	721	131	4.31	510.53	514.84	508.46	517.00	8.54
120	508.95	634	115	4.24	506.30	510.53	504.22	512.69	8.47
121	504.74	548	100	4.17	502.13	506.30	500.05	508.46	8.41
122	500.60	464	85	4.10	498.03	502.13	495.95	504.29	8.34
123	496.54	382	70	4.03	494.00	498.03	491.92	500.20	8.28
124	492.53	301	55	3.97	490.03	494.00	487.95	496.17	8.22
125	488.59	221	40	3.90	486.13	490.03	484.04	492.20	8.16
126	484.72	142	26	3.84	482.28	486.13	480.20	488.29	8.10
127	480.90	65	12	3.78	478.50	482.28	476.41	484.45	8.04

Slit transmission: 0.305289
Medium pixel scale on Y direction: 0.182 arcsec/pix
Number of Pixels per Bin on X direction: 1 pix/bin
PSF extension (Number of pixels along Y over which the sky signal is integrated): 16 pix(s)
Slit_Width * Bin_Scale * PSF_Extension: 1.456 arcsec²
Number of bins along Y over which the sky signal is integrated: 16 bin(s)
Read Out Noise is 3.4 e-
Dark Current is 1 e/h

**Detected Counts (Dicroic1 Arm Red, CD#3, EEV CCD)**
	FSR Min Wavelength					Wavelength of central column							FSR Max Wavelength
Order	Eff. %	Obj e-	Sky e-	Imax e-	S/N per spectral bin	lambda (nm)	bin size (nm)	Eff. %	Obj e-	Sky e-	Imax e-	S/N per spectral bin	Eff. %	Obj e-	Sky e-	Imax e-	S/N per spectral bin
106	1.8	4.95e+04	0.187	9.8e+03	2.2e+02	576.15	0.0023	3.6	8.71e+04	0.334	1.7e+04	2.9e+02	1.8	3.81e+04	0.15	7.5e+03	1.9e+02
107	1.7	4.91e+04	0.18	9.7e+03	2.2e+02	570.77	0.0023	3.5	8.49e+04	0.319	1.7e+04	2.9e+02	1.8	3.82e+04	0.144	7.6e+03	2e+02
108	1.7	4.97e+04	0.179	9.9e+03	2.2e+02	565.48	0.0023	3.5	8.52e+04	0.312	1.7e+04	2.9e+02	1.7	3.8e+04	0.14	7.5e+03	1.9e+02
109	1.8	5.12e+04	0.178	1e+04	2.3e+02	560.30	0.0023	3.5	8.72e+04	0.311	1.7e+04	2.9e+02	1.7	3.86e+04	0.139	7.6e+03	2e+02
110	1.8	5.13e+04	0.174	1e+04	2.3e+02	555.20	0.0022	3.5	9e+04	0.307	1.8e+04	3e+02	1.8	3.98e+04	0.138	7.9e+03	2e+02
111	1.8	5.15e+04	0.17	1e+04	2.3e+02	550.20	0.0022	3.5	8.89e+04	0.3	1.8e+04	3e+02	1.8	4e+04	0.135	7.9e+03	2e+02
112	1.7	5.12e+04	0.165	1e+04	2.3e+02	545.29	0.0022	3.5	9e+04	0.294	1.8e+04	3e+02	1.8	4.02e+04	0.133	8e+03	2e+02
113	1.7	5.04e+04	0.159	1e+04	2.2e+02	540.47	0.0022	3.5	8.8e+04	0.285	1.7e+04	3e+02	1.7	4.01e+04	0.129	8e+03	2e+02
114	1.7	4.95e+04	0.154	9.8e+03	2.2e+02	535.73	0.0022	3.4	8.91e+04	0.275	1.8e+04	3e+02	1.7	3.96e+04	0.125	7.9e+03	2e+02
115	1.7	4.92e+04	0.149	9.8e+03	2.2e+02	531.07	0.0022	3.3	8.66e+04	0.265	1.7e+04	2.9e+02	1.7	3.89e+04	0.121	7.7e+03	2e+02
116	1.6	4.97e+04	0.145	9.9e+03	2.2e+02	526.49	0.0021	3.3	8.5e+04	0.258	1.7e+04	2.9e+02	1.7	3.88e+04	0.117	7.7e+03	2e+02
117	1.7	5.01e+04	0.144	9.9e+03	2.2e+02	521.99	0.0021	3.3	8.82e+04	0.254	1.7e+04	3e+02	1.6	3.93e+04	0.115	7.8e+03	2e+02
118	1.7	5.17e+04	0.143	1e+04	2.3e+02	517.57	0.0021	3.3	8.78e+04	0.251	1.7e+04	3e+02	1.7	3.97e+04	0.114	7.9e+03	2e+02
119	1.7	5.26e+04	0.141	1e+04	2.3e+02	513.22	0.0021	3.3	9.17e+04	0.249	1.8e+04	3e+02	1.7	4.1e+04	0.113	8.1e+03	2e+02
120	1.7	5.23e+04	0.137	1e+04	2.3e+02	508.95	0.0021	3.3	9.26e+04	0.245	1.8e+04	3e+02	1.7	4.18e+04	0.112	8.3e+03	2e+02
121	1.6	5.05e+04	0.133	1e+04	2.2e+02	504.74	0.0021	3.3	9.09e+04	0.239	1.8e+04	3e+02	1.7	4.17e+04	0.109	8.3e+03	2e+02
122	1.6	5.1e+04	0.128	1e+04	2.3e+02	500.60	0.002	3.3	8.93e+04	0.231	1.8e+04	3e+02	1.6	4.03e+04	0.106	8e+03	2e+02
123	1.6	5.01e+04	0.125	9.9e+03	2.2e+02	496.54	0.002	3.2	8.99e+04	0.223	1.8e+04	3e+02	1.6	4.07e+04	0.102	8.1e+03	2e+02
124	1.6	4.92e+04	0.124	9.8e+03	2.2e+02	492.53	0.002	3.2	8.67e+04	0.219	1.7e+04	2.9e+02	1.6	4.01e+04	0.0998	8e+03	2e+02
125	1.6	2.64e+04	0.123	5.2e+03	1.6e+02	488.59	0.002	3.2	8.06e+04	0.219	1.6e+04	2.8e+02	1.6	3.95e+04	0.0996	7.8e+03	2e+02
126	1.6	5.06e+04	0.121	1e+04	2.2e+02	484.72	0.002	3.2	6.82e+04	0.217	1.4e+04	2.6e+02	1.6	2.12e+04	0.0991	4.2e+03	1.5e+02
127	1.6	5.19e+04	0.117	1e+04	2.3e+02	480.90	0.002	3.2	9.04e+04	0.212	1.8e+04	3e+02	1.6	4.07e+04	0.0976	8.1e+03	2e+02

If in the table the Imax appears on a red background it means that the CCD detector has reached saturation. Please choose a different input parameters setting.

 ASCII data     GIF plot

 ASCII data     GIF plot

 ASCII data     GIF plot

 ASCII data     GIF plot

 ASCII data     GIF plot

UVES Exposure Time Calculator

Near Ultraviolet-Visual-Near Infrared Spectroscopy Mode

Simulator Setup: