GIRAFFE Low Resolution grating settings

SETUPS DEFINITION AND RESOLUTION.

These values correspond to up-to-date measurements and are valid for observations taken after February 2nd 2015. For observations taken before that date please see here. From P84 in ARGUS/GIRAFFE, the setting LR01 is available in VISITOR MODE ONLY due to the problem of obtaining sufficient counts in blue attached flats. For Medusa and IFUall settings are available in service and visitor mode.

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 12000 7500
2 27.9 4 L427.2 LR2 396.4 427.2 456.7 60.3 8500 6000
3 32.2 4 L479.7 LR3 450.1 479.7 507.8 57.8 10150 7500
4 26.3 3 L543.1 LR4 501.5 543.1 583.1 81.6 8500 5750
5 30.6 3 L614.2 LR5 574.1 614.2 652.4 78.3 10500 6750
6 34.9 3 L682.2 LR6 643.8 682.2 718.4 74.6 13500 8500
7 24.7 2 L773.4 LR7 710.2 773.4 834.3 124.0 8200 5500
8 29.0 2 L881.7 LR8 820.6 881.7 940.0 119.0 10000 6500

Legend

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.