Open Access

Table 7

Properties of the GIRAFFE setup modes that are used in the Gaia-ESO Survey.

Setup Central wavelength (nm) Wavelength range (nm) Resolution <02-2015 Resolution >02-2015
HR3 412.4 403–420 24800 31400
HR4 429.7 419–439 20350 24000
HR5A 447.1 434–458 18470 20250
HR5B 446.4 437–455 26000 Archive
HR6 465.6 453–475 20350 24300
HR9B 525.8 514–535 25900 31750
HR10 548.8 533–561 19800 21500
HR14A 651.5 630–669 17740 18000
HR14B 650.5 638–663 28800 Archive
HR15N 665.0 644–682 17000 19200
HR21 875.7 848–898 16200 18000

Notes. Resolution improved in February 2015 following refocus efforts.

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