The NEAR-shoemaker x-ray/gamma-ray spectrometer experiment: Overview and lessons learned

J. I. Trombka; L. R. Nittler; R. D. Starr; L. G. Evans; T. J. McCoy; W. V. Boynton; T. H. Burbine; J. Brückner; P. Gorenstein; S. W. Squyres; R. C. Reedy; J. O. Goldsten; L. Lim; K. Hurley; P. E. Clark; S. R. Floyd; T. P. McClanahan; E. McCartney; J. Branscomb; J. S. Bhangoo; I. Mikheeva; M. E. Murphy

doi:10.1111/j.1945-5100.2001.tb01852.x

The NEAR-shoemaker x-ray/gamma-ray spectrometer experiment: Overview and lessons learned

J. I. Trombka, L. R. Nittler, R. D. Starr, L. G. Evans, T. J. McCoy, W. V. Boynton, T. H. Burbine, J. Brückner, P. Gorenstein, S. W. Squyres, R. C. Reedy, J. O. Goldsten, L. Lim, K. Hurley, P. E. Clark, S. R. Floyd, T. P. McClanahan, E. McCartney, J. Branscomb, J. S. BhangooI. Mikheeva, M. E. Murphy

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21 Scopus citations

Abstract

The near-Earth asteroid rendezvous (NEAR)-Shoemaker remote-sensing x-ray/gamma-ray spectrometer (XGRS) completed more than a year of operation in orbit and on the surface of 433 Eros. Elemental compositions for a number of regions on the surface of Eros have been derived from analyses of the characteristic x-ray and gamma-ray emission spectra. The NEAR XGRS detection system was included as part of the interplanetary network (IPN) for the detection and localization of gamma-ray bursts (GRBs). Preliminary results for both the elemental composition of the surface of Eros and the detection of GRBs have been obtained. In addition to the science results, the design and operation of the NEAR XGRS is considered. Significant information important for the design of future remote sensing XGRS systems has been obtained and evaluated. We focus on four factors that became particularly critical during NEAR: (1) overall spacecraft design, (2) selection of materials, (3) increase of the signal-to-noise ratio and (4) knowledge of the incident solar x-ray spectrum.

Original language	English (US)
Pages (from-to)	1605-1616
Number of pages	12
Journal	Meteoritics and Planetary Science
Volume	36
Issue number	12
DOIs	https://doi.org/10.1111/j.1945-5100.2001.tb01852.x
State	Published - 2001
Externally published	Yes

ASJC Scopus subject areas

Geophysics
Space and Planetary Science

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10.1111/j.1945-5100.2001.tb01852.x

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Trombka, J. I., Nittler, L. R., Starr, R. D., Evans, L. G., McCoy, T. J., Boynton, W. V., Burbine, T. H., Brückner, J., Gorenstein, P., Squyres, S. W., Reedy, R. C., Goldsten, J. O., Lim, L., Hurley, K., Clark, P. E., Floyd, S. R., McClanahan, T. P., McCartney, E., Branscomb, J., ... Murphy, M. E. (2001). The NEAR-shoemaker x-ray/gamma-ray spectrometer experiment: Overview and lessons learned. Meteoritics and Planetary Science, 36(12), 1605-1616. https://doi.org/10.1111/j.1945-5100.2001.tb01852.x

Trombka, JI, Nittler, LR, Starr, RD, Evans, LG, McCoy, TJ, Boynton, WV, Burbine, TH, Brückner, J, Gorenstein, P, Squyres, SW, Reedy, RC, Goldsten, JO, Lim, L, Hurley, K, Clark, PE, Floyd, SR, McClanahan, TP, McCartney, E, Branscomb, J, Bhangoo, JS, Mikheeva, I & Murphy, ME 2001, 'The NEAR-shoemaker x-ray/gamma-ray spectrometer experiment: Overview and lessons learned', Meteoritics and Planetary Science, vol. 36, no. 12, pp. 1605-1616. https://doi.org/10.1111/j.1945-5100.2001.tb01852.x

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abstract = "The near-Earth asteroid rendezvous (NEAR)-Shoemaker remote-sensing x-ray/gamma-ray spectrometer (XGRS) completed more than a year of operation in orbit and on the surface of 433 Eros. Elemental compositions for a number of regions on the surface of Eros have been derived from analyses of the characteristic x-ray and gamma-ray emission spectra. The NEAR XGRS detection system was included as part of the interplanetary network (IPN) for the detection and localization of gamma-ray bursts (GRBs). Preliminary results for both the elemental composition of the surface of Eros and the detection of GRBs have been obtained. In addition to the science results, the design and operation of the NEAR XGRS is considered. Significant information important for the design of future remote sensing XGRS systems has been obtained and evaluated. We focus on four factors that became particularly critical during NEAR: (1) overall spacecraft design, (2) selection of materials, (3) increase of the signal-to-noise ratio and (4) knowledge of the incident solar x-ray spectrum.",

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AU - Evans, L. G.

AU - McCoy, T. J.

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AU - Burbine, T. H.

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AU - Lim, L.

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AU - Clark, P. E.

AU - Floyd, S. R.

AU - McClanahan, T. P.

AU - McCartney, E.

AU - Branscomb, J.

AU - Bhangoo, J. S.

AU - Mikheeva, I.

AU - Murphy, M. E.

PY - 2001

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N2 - The near-Earth asteroid rendezvous (NEAR)-Shoemaker remote-sensing x-ray/gamma-ray spectrometer (XGRS) completed more than a year of operation in orbit and on the surface of 433 Eros. Elemental compositions for a number of regions on the surface of Eros have been derived from analyses of the characteristic x-ray and gamma-ray emission spectra. The NEAR XGRS detection system was included as part of the interplanetary network (IPN) for the detection and localization of gamma-ray bursts (GRBs). Preliminary results for both the elemental composition of the surface of Eros and the detection of GRBs have been obtained. In addition to the science results, the design and operation of the NEAR XGRS is considered. Significant information important for the design of future remote sensing XGRS systems has been obtained and evaluated. We focus on four factors that became particularly critical during NEAR: (1) overall spacecraft design, (2) selection of materials, (3) increase of the signal-to-noise ratio and (4) knowledge of the incident solar x-ray spectrum.

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The NEAR-shoemaker x-ray/gamma-ray spectrometer experiment: Overview and lessons learned

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