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DBS Grating Calculator

Blue Grating (l/mm) 300(1) 600(1) 1200(1) 1200(2)  Red Grating (l/mm) 158(1) 316(1) 600(1) 1200(1) Blue Central Wavelength (Å) Blue Grating Angle (deg) Red Central Wavelength (Å) Red Grating Angle (deg)  Detector E2V (2048x512 13.5 µm/pixel) User Defined : User pixel size (µm)   User pixels

Result: Blue Arm Red Arm Grating Angle  deg.   min.  deg.   min. Central Wavelength  Å  Å Dispersion  Å/mm    Å/pix  Å/mm    Å/pix Resolution  Å    km/s  Å    km/s Wavelength Range  Å  -  Å  Å  -  Å Slit Projection Factor   =   arcsec   =   arcsec

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This tool generates grating setting information for the Double Beam Spectrograph on the ANU 2.3 m telescope at Siding Spring Observatory, Australia. It is maintained by Peter McGregor peter@mso.anu.edu.au

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