Efficiency Functions For A 316 G/Mm Echelle Grating

G. W. Cushman; K. G. Carpenter

doi:10.1117/12.968116

13 October 1986 Efficiency Functions For A 316 G/Mm Echelle Grating

G. W. Cushman, K. G. Carpenter

Proceedings Volume 0627, Instrumentation in Astronomy VI; (1986) https://doi.org/10.1117/12.968116
Event: 1986 Astronomy Conferences, 1986, Tucson, United States

Abstract

The radiometric response function of the High Resolution Spectrograph (HRS) for the Hubble Space Telescope (HST) was measured in 1984. From the system efficiency measurements made in the HRS echelle modes, we have deduced the relative efficiencies ("ripple" functions) of 14 HRS echelle orders. The results agree well with a theoretical model of echelle efficiency, except for a residual shift of apparent blaze angle with spectral order. The discrepancy between nominal and fitted blaze angle decreases with increasing order number.

Citation Download Citation

G. W. Cushman and K. G. Carpenter "Efficiency Functions For A 316 G/Mm Echelle Grating", Proc. SPIE 0627, Instrumentation in Astronomy VI, (13 October 1986); https://doi.org/10.1117/12.968116

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