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: 860 (nm)
- Camera Tilt: 0 pixel(s)
- Dicroic Selection: Dicroic2
- Arm Cross Disperser Combination: Red, CD#4
- Below Slit Filter: ins/ut2/uves/eqm/filt/flt_red_BS5-OG590.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#4, MIT-LL CCD
- gain conversion factor = 1.5 e-/ADU

**Spectral Format, Red, CD#4, MIT-LL CCD**
**Selected Central Wavelength 860 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)
58	1052.96	2043	358	18.14	1042.83	1060.96	1043.44	1060.56	17.12
59	1035.11	1849	324	17.53	1025.30	1042.83	1025.75	1042.59	16.84
60	1017.86	1662	291	16.95	1008.36	1025.31	1008.66	1025.21	16.56
61	1001.18	1481	260	16.40	991.96	1008.36	992.12	1008.41	16.29
62	985.03	1305	229	15.87	976.09	991.97	976.12	992.15	16.03
63	969.40	1136	199	15.37	960.73	976.10	960.63	976.40	15.78
64	954.26	971	170	14.89	945.83	960.73	945.62	961.15	15.53
65	939.58	812	142	14.44	931.39	945.83	931.07	946.37	15.30
66	925.34	657	115	14.01	917.39	931.40	916.96	932.03	15.07
67	911.54	507	89	13.59	903.80	917.39	903.28	918.12	14.85
68	898.13	361	63	13.19	890.61	903.80	889.99	904.63	14.63
69	885.12	219	38	12.81	877.79	890.61	877.10	891.52	14.42
70	872.48	81	14	12.45	865.34	877.80	864.57	878.79	14.22

Slit transmission: 0.305289
Medium pixel scale on Y direction: 0.175266 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): 17 pix(s)
Slit_Width * Bin_Scale * PSF_Extension: 1.48976 arcsec²
Number of bins along Y over which the sky signal is integrated: 17 bin(s)
Read Out Noise is 3.8 e-
Dark Current is 1 e/h

**Detected Counts (Dicroic2 Arm Red, CD#4, 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
58	0.024	410	0.0148	81	16	1052.96	0.0042	0.013	184	0.00669	36	8.9	0.0029	30.1	0.00115	6	1.8
59	0.083	1.55e+03	0.05	3.1e+02	37	1035.11	0.0041	0.092	1.28e+03	0.0452	2.5e+02	33	0.024	250	0.00903	50	11
60	0.18	3.07e+03	0.103	6.1e+02	53	1017.86	0.004	0.24	3.41e+03	0.113	6.8e+02	56	0.083	954	0.0308	1.9e+02	28
61	0.3	5.67e+03	0.166	1.1e+03	74	1001.18	0.004	0.47	6.36e+03	0.215	1.3e+03	78	0.18	1.91e+03	0.0641	3.8e+02	41
62	0.39	7.63e+03	0.208	1.5e+03	86	985.03	0.0039	0.66	1.06e+04	0.295	2.1e+03	1e+02	0.3	3.55e+03	0.104	7e+02	58
63	0.49	9.35e+03	0.254	1.9e+03	95	969.40	0.0039	0.86	1.38e+04	0.374	2.7e+03	1.2e+02	0.39	4.82e+03	0.131	9.6e+02	68
64	0.58	1.1e+04	0.292	2.2e+03	1e+02	954.26	0.0038	1	1.3e+04	0.44	2.6e+03	1.1e+02	0.49	5.96e+03	0.162	1.2e+03	76
65	0.7	1.31e+04	0.34	2.6e+03	1.1e+02	939.58	0.0037	1.2	2.24e+04	0.507	4.4e+03	1.5e+02	0.58	7.08e+03	0.187	1.4e+03	83
66	0.81	1.64e+04	0.381	3.2e+03	1.3e+02	925.34	0.0037	1.5	2.3e+04	0.586	4.6e+03	1.5e+02	0.7	8.45e+03	0.22	1.7e+03	91
67	0.91	1.77e+04	0.415	3.5e+03	1.3e+02	911.54	0.0036	1.7	3e+04	0.652	5.9e+03	1.7e+02	0.81	1.07e+04	0.248	2.1e+03	1e+02
68	1	2.11e+04	0.447	4.2e+03	1.4e+02	898.13	0.0036	1.9	2.96e+04	0.704	5.9e+03	1.7e+02	0.91	1.2e+04	0.272	2.4e+03	1.1e+02
69	1.1	2.26e+04	0.474	4.5e+03	1.5e+02	885.12	0.0035	2.1	3.18e+04	0.756	6.3e+03	1.8e+02	1	1.39e+04	0.295	2.8e+03	1.2e+02
70	1.2	2.21e+04	0.494	4.4e+03	1.5e+02	872.48	0.0035	2.3	3.83e+04	0.798	7.6e+03	2e+02	1.1	1.5e+04	0.315	3e+03	1.2e+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

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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#4, EEV CCD
- gain conversion factor = 1.58 e-/ADU

**Spectral Format, Red, CD#4, EEV CCD**
**Selected Central Wavelength 860 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)
72	848.24	1965	332	11.77	841.48	853.24	840.55	854.38	13.83
73	836.63	1838	310	11.45	830.03	841.48	829.03	842.68	13.65
74	825.32	1715	289	11.14	818.89	830.03	817.83	831.30	13.47
75	814.32	1595	269	10.85	808.04	818.89	806.92	820.21	13.29
76	803.61	1478	249	10.56	797.48	808.04	796.31	809.42	13.12
77	793.17	1364	230	10.29	787.19	797.48	785.96	798.92	12.95
78	783.00	1253	212	10.03	777.16	787.19	775.89	788.68	12.79
79	773.09	1145	193	9.78	767.39	777.16	766.06	778.70	12.63
80	763.43	1039	175	9.53	757.86	767.39	756.49	768.96	12.48
81	754.01	936	158	9.30	748.56	757.86	747.15	759.47	12.33
82	744.81	836	141	9.07	739.49	748.56	738.03	750.21	12.18
83	735.84	737	124	8.86	730.63	739.49	729.14	741.18	12.04
84	727.08	642	108	8.65	721.98	730.63	720.46	732.36	11.90
85	718.53	548	93	8.44	713.54	721.99	711.98	723.74	11.76
86	710.18	457	77	8.25	705.29	713.54	703.70	715.33	11.63
87	702.01	367	62	8.06	697.23	705.29	695.61	707.11	11.50
88	694.04	280	47	7.88	689.36	697.23	687.71	699.08	11.37
89	686.24	195	33	7.70	681.65	689.36	679.98	691.23	11.25
90	678.62	111	19	7.53	674.12	681.65	672.42	683.55	11.13
91	671.16	29	5	7.37	666.75	674.12	665.03	676.04	11.01

Slit transmission: 0.305289
Medium pixel scale on Y direction: 0.168781 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): 18 pix(s)
Slit_Width * Bin_Scale * PSF_Extension: 1.51903 arcsec²
Number of bins along Y over which the sky signal is integrated: 18 bin(s)
Read Out Noise is 3.4 e-
Dark Current is 1 e/h

**Detected Counts (Dicroic2 Arm Red, CD#4, 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
72	1.2	2.32e+04	0.471	4.6e+03	1.5e+02	848.24	0.0034	2.2	3.65e+04	0.748	7.2e+03	1.9e+02	1.1	1.39e+04	0.294	2.8e+03	1.2e+02
73	1.2	2.47e+04	0.487	4.9e+03	1.6e+02	836.63	0.0033	2.4	4.02e+04	0.8	8e+03	2e+02	1.2	1.57e+04	0.319	3.1e+03	1.2e+02
74	1.3	2.52e+04	0.493	5e+03	1.6e+02	825.32	0.0033	2.6	4.21e+04	0.818	8.3e+03	2e+02	1.2	1.68e+04	0.332	3.3e+03	1.3e+02
75	1.3	2.79e+04	0.497	5.5e+03	1.7e+02	814.32	0.0033	2.6	4.39e+04	0.827	8.7e+03	2.1e+02	1.3	1.73e+04	0.338	3.4e+03	1.3e+02
76	1.4	3.01e+04	0.505	6e+03	1.7e+02	803.61	0.0032	2.8	4.82e+04	0.836	9.6e+03	2.2e+02	1.3	1.92e+04	0.342	3.8e+03	1.4e+02
77	1.5	3.13e+04	0.511	6.2e+03	1.8e+02	793.17	0.0032	2.9	5e+04	0.848	9.9e+03	2.2e+02	1.4	2.09e+04	0.35	4.1e+03	1.4e+02
78	1.5	3.21e+04	0.52	6.4e+03	1.8e+02	783.00	0.0031	3	5.32e+04	0.861	1.1e+04	2.3e+02	1.5	2.18e+04	0.356	4.3e+03	1.5e+02
79	1.6	3.5e+04	0.528	6.9e+03	1.9e+02	773.09	0.0031	3.1	5.66e+04	0.878	1.1e+04	2.4e+02	1.5	2.24e+04	0.363	4.4e+03	1.5e+02
80	1.7	3.78e+04	0.542	7.5e+03	1.9e+02	763.43	0.0031	3.3	5.98e+04	0.895	1.2e+04	2.4e+02	1.6	2.46e+04	0.371	4.9e+03	1.6e+02
81	1.8	3.96e+04	0.554	7.9e+03	2e+02	754.01	0.003	3.4	6.41e+04	0.922	1.3e+04	2.5e+02	1.7	2.67e+04	0.383	5.3e+03	1.6e+02
82	1.8	4.11e+04	0.556	8.2e+03	2e+02	744.81	0.003	3.6	6.66e+04	0.935	1.3e+04	2.6e+02	1.8	2.81e+04	0.393	5.6e+03	1.7e+02
83	1.9	4.25e+04	0.561	8.4e+03	2.1e+02	735.84	0.0029	3.7	6.98e+04	0.94	1.4e+04	2.6e+02	1.8	2.93e+04	0.396	5.8e+03	1.7e+02
84	2	4.62e+04	0.573	9.2e+03	2.1e+02	727.08	0.0029	3.8	7.41e+04	0.954	1.5e+04	2.7e+02	1.9	3.05e+04	0.401	6e+03	1.7e+02
85	2	4.78e+04	0.581	9.5e+03	2.2e+02	718.53	0.0029	4	7.44e+04	0.978	1.5e+04	2.7e+02	2	3.32e+04	0.412	6.6e+03	1.8e+02
86	2.1	4.98e+04	0.584	9.9e+03	2.2e+02	710.18	0.0028	4.1	8.25e+04	0.987	1.6e+04	2.9e+02	2	3.45e+04	0.42	6.8e+03	1.9e+02
87	2.2	5.14e+04	0.587	1e+04	2.3e+02	702.01	0.0028	4.3	8.48e+04	0.995	1.7e+04	2.9e+02	2.1	3.61e+04	0.424	7.2e+03	1.9e+02
88	2.2	5.21e+04	0.578	1e+04	2.3e+02	694.04	0.0028	4.4	8.74e+04	0.993	1.7e+04	3e+02	2.2	3.74e+04	0.427	7.4e+03	1.9e+02
89	2.2	5.36e+04	0.572	1.1e+04	2.3e+02	686.24	0.0028	4.4	9.02e+04	0.978	1.8e+04	3e+02	2.2	3.81e+04	0.422	7.5e+03	1.9e+02
90	2.2	5.27e+04	0.552	1e+04	2.3e+02	678.62	0.0027	4.5	9.11e+04	0.97	1.8e+04	3e+02	2.2	3.93e+04	0.419	7.8e+03	2e+02
91	2.1	5.05e+04	0.513	1e+04	2.2e+02	671.16	0.0027	4.3	8.88e+04	0.914	1.8e+04	3e+02	2.2	3.88e+04	0.406	7.7e+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: