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Parameter estimation in X-ray astronomy
The problems of model classification and parameter estimation are examined, with the objective of establishing the statistical reliability of inferences drawn from X-ray observations. For testing the…
The 1997 reference of diffuse night sky brightness
In the following we present material in tabular and graphical form, with the aim to allow the non-specialist to obtain a realistic estimate of the diffuse night sky brightness over a wide range of…
Discovery of 0.5 MK Gas in the Center of the Virgo Cluster
An observation of M87, the central galaxy of the Virgo Cluster, was performed by the deep survey telescope aboard the Extreme-Ultraviolet Explorer, in the 0.065-0.245 keV energy band. A point source…
The Galactic and Extragalactic Background Radiation
Hot White Dwarfs in the Local Interstellar Medium: Hydrogen and Helium Interstellar Column Densities and Stellar Effective Temperatures from Extreme-Ultraviolet Explorer Spectroscopy
Diffuse Extreme-Ultraviolet Emission from the Coma Cluster: Evidence for Rapidly Cooling Gases at Submegakelvin Temperatures
The central region of the Coma cluster of galaxies was observed in the energy band from 0.065 to 0.245 kiloelectron volts by the Deep Survey telescope aboard the Extreme Ultraviolet Explorer. A…
On the opacity of the interstellar medium to ultrasoft X-rays and extreme-ultraviolet radiation.
Cosmic X-ray Sources
Eight new sources of cosmic x-rays were detected by two Aerobee surveys in 1964. One source, from Sagittarius, is close to the galactic center, and the other, from Ophiuchus, may coincide with…
Astronomical and biochemical origins and the search for life in the universe : proceedings of the 5th International conference on bioastronomy, IAU colloquium no. 161, Capri, July 1-5, 1996