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View Full Version : New Class of Supergiant Binary Stars Discovered



Fraser
2005-Nov-17, 04:02 PM
SUMMARY: ESA's Integral gamma-ray observatory has discovered a new class of X-ray fast transient binary stars, which had gone undiscovered in previous observations. This new class of double stars systems always has a bright supergiant star with some kind of compact companion - like a black hole, neutron star or pulsar. It gives off energetic busts of X-rays which flare up quickly and then fade away. It's possible that the compact companion tangles up the supergiant's powerful solar wind with its gravity, and then feeds on it in bits and pieces.

View full article (http://www.universetoday.com/am/publish/integral_reveals_supergiant_xray_binary.html)
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