binary x-ray source

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• Ultraluminous X-ray source — An ultra luminous X ray source (ULX) is an astronomical source of X rays that is not in the nucleus of a galaxy, and is more luminous than 1039 erg/s (1032 watts), assuming that it radiates isotropically. Typically there is about one ULX per… …   Wikipedia

• X-ray source — ▪ astronomy       in astronomy, any of a class of cosmic objects that emit radiation at X ray wavelength. Because the Earth s atmosphere absorbs X rays (X ray) very efficiently, X ray telescopes and detectors must be carried high above it by… …   Universalium

• Super-soft x-ray source — A super soft X ray source is an astronomical source of very low energy X rays. Soft X rays have energies in the 0.09 to 2.5 keV range, whereas hard X rays are in the 1 20 keV range [ [http://library.thinkquest.org/27930/supersoft.htm Supersoft X… …   Wikipedia

• Binary star — For the hip hop group, see Binary Star (band). Hubble image of the …   Wikipedia

• Binary prefix — Prefixes for bit and byte multiples Decimal Value SI 1000 k kilo 10002 M mega …   Wikipedia

• X-ray astronomy — X rays start at 0.008 nm and extend across the electromagnetic spectrum to 8 nm, over which the Earth s atmosphere is opaque. X ray astronomy is an observational branch of astronomy which deals with the study of X ray observation and detection… …   Wikipedia

• X-ray binary — Artist s impression of an X ray Binary X ray binaries are a class of binary stars that are luminous in X rays. The X rays are produced by matter falling from one component, called the donor (usually a relatively normal star) to the other… …   Wikipedia

• POV-Ray — Infobox Software name = POV Ray caption = developer = The POV Team latest release version = 3.6 latest release date = October 03, 2004 latest preview version = 3.7.beta.29b latest preview date = october 03, 2008 operating system = Cross platform… …   Wikipedia

• Small-angle X-ray scattering — (SAXS) is a small angle scattering (SAS) technique where the elastic scattering of X rays (wavelength 0.1 ... 0.2 nm) by a sample which has inhomogeneities in the nm range, is recorded at very low angles (typically 0.1 10°). This angular range… …   Wikipedia

• x-ray — /eks ray /, n. Also, x ray, X ray. 1. Physics. a. Often, x rays. a form of electromagnetic radiation, similar to light but of shorter wavelength and capable of penetrating solids and of ionizing gases. b. such radiation having wavelengths in the… …   Universalium

• Low-mass X-ray binaries — Binaire X à faible masse Une binaire X à faible masse, ou LMXB (de l anglais Low Mass X ray Binary) est une étoile binaire rayonnant dans le domaine des rayons X (ce que l on appelle une binaire X), dont un des deux membres est une étoile à… …   Wikipédia en Français