EOS P96 - 2.3.2 Spectral resolution and sampling

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VLT-MAN-ESO-14650-4942
P96
24.06.2015
52 of 161
ESO, Karl-Schwarzschild-Str. 2, 85748 Garching bei München, Germany
2.3.2 Spectral resolution and sampling
The user can only affect the spectral resolution through the choice of slit width (and to some
extent with the binning in UVB and VIS). The resolution and pixel sampling (without binning)
as a function of the slit width is given in Table 12.
Table 12: Resolution as a function of slit width
UVB
VIS
NIR
Slit
width
R
/∆
Sampling
[pix/FWHM]
Slit
width
R
/∆
Sampling
[pix/FWHM]
Slit
width
R
/∆
Sampling
[pix/FWHM]
0.5
9100
3.5
0.4
17400
3.0
0.4
10500
2.2
0.8
6200
5.2
0.7
11000
4.8
0.6
7770
2.9
1.0
5100
6.3
0.9
8800
6.0
0.9
5300
4.2
1.3
4000
8.1
1.2
6700
7.9
1.2
3900
5.8
1.6
3300
9.9
1.5
5400
9.7
IFU
7900
4.1
IFU
12600
4.2
IFU
8300
2.7