Off-plane grating spectrometer for the International X-ray Observatory
- McEntaffer, Randall L.
- Murray, Neil J.
- Holland, Andrew
- Lillie, Charles
- Casement, Suzanne
- Dailey, Dean
- Johnson, Tim
- Cash, Webster C.
- Oakley, Phillip H.
- Schultz, Ted
- Burrows, David N.
DOIAbstract
A dispersive spectrometer onboard the International X-ray Observatory (IXO) provides a method for high throughput and high spectral resolution at X-ray energies below 1 keV. An off-plane reflection grating array maximizes these capabilities. We present here a mature mechanical design that places the grating array on the spacecraft avionics bus 13.5 m away from the focal plane. In addition, we present the technology development plan for advancing the Technology Readiness Level to 6 for the Off-Plane X-ray Grating Spectrometer
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