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GIRAFFE Low Resolution grating settings
SETUPS DEFINITION AND RESOLUTION.
Low resolution mode 600 lines/mm, 34.0 blaze grating.
| Filter |
Theta |
Order |
p2pp name |
ETC name |
Wl start |
Wl center |
Wl end |
Band |
R IFU/Argus |
R MEDUSA |
| 1 | 32.4 | 5 | L385.7 | LR1 | 362.0 | 385.7 | 408.1 | 46.1 | 12800 | 8000 |
| 2 | 27.9 | 4 | L427.2 | LR2 | 396.4 | 427.2 | 456.7 | 60.3 | 10200 | 6400 |
| 3 | 32.2 | 4 | L479.7 | LR3 | 450.1 | 479.7 | 507.8 | 57.8 | 12000 | 7500 |
| 4 | 26.3 | 3 | L543.1 | LR4 | 501.5 | 543.1 | 583.1 | 81.6 | 9600 | 6000 |
| 5 | 30.6 | 3 | L614.2 | LR5 | 574.1 | 614.2 | 652.4 | 78.3 | 11800 | 7400 |
| 6 | 34.9 | 3 | L682.2 | LR6 | 643.8 | 682.2 | 718.4 | 74.6 | 13700 | 8600 |
| 7 | 24.7 | 2 | L773.4 | LR7 | 710.2 | 773.4 | 834.3 | 124.0 | 8900 | 5600 |
| 8 | 29.0 | 2 | L881.7 | LR8 | 820.6 | 881.7 | 940.0 | 119.0 | 10400 | 6500 |
- - Filter is the filter number;
- - Theta is the angle of diffraction with the grating normal;
- - Order is the working echelle order;
- - Wl star, center, end are the wavelengths at the edges and center of the CCD;
- - Band is the covered spectral passband;
- - resolving power, R, obtained in IFU/Argus mode;
- - resolving power, R, obtained in MEDUSA mode.
