Observations of supernova SN1987a von Riegler, Guenter R.

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Astrophysics science operations in the Great Observatories era von Riegler, Guenter R.

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Science Operations for Future Space Astrophysics Missions von Riegler, Guenter R.

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The great galactic centre mystery von Riegler, Guenter R.

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The Gamma-Ray Spectrum of the Galactic Center Region: Erratum von Riegler, Guenter R., Ling, James C., Mahoney, William A., Wheaton, Wm. A., Jacobson, Allan S.

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Soft X-ray observations of the binary sigma σ Cr B with HEAO-1 von Agrawal, Prahlad C., Riegler, Guenter R., Garmire, Gordon P.

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Discovery of X-ray emission lines from the RS CVn binary σ CrB von Agrawal, Prahlad C., Riegler, Guenter R., White, N. E.

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Detection of X-ray emission from the vicinity of two short-period RS CVn-like binaries von Agrawal, Prahlad C., Riegler, Guenter R., Garmire, Gordon P.

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The very soft X-ray transient H1853 + 60 von Stern, Robert A., Agrawal, Prahlad C., Riegler, Guenter R.

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Argon in the Martian atmosphere von Levine, Joel S., Riegler, Guenter R.

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A High Resolution Position Sensitive Detector for Ultraviolet and X-Ray Photons von Riegler, Guenter R., More, Keith A.

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Hard X-rays from Sco X-1 von RIEGLER, GUENTER R., BOLDT, ELIHU, SERLEMITSOS, PETER

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A Comparison of the X-Ray Spectra from Tau XR-1 and the Vicinity of SGR XR-1 von Riegler, Guenter R., Boldt, Elihu, Serlemitsos, Peter

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Estimate of Extreme Ultraviolet Dayglow of Helium in the Martian Atmosphere von RIEGLER, GUENTER R., GARMIRE, GORDON P., LEVINE, JOEL S.

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