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Latest Binary star Stories

What Fuels Black Hole Growth?
2012-04-03 04:46:20

"Black holes are very efficient eating machines“¦ They can double their mass in less than a billion years. That may seem long by human standards, but over the history of the Galaxy it's pretty fast,” said Scott Kenyon of the Harvard-Smithsonian Center for Astrophysics (CfA). New research presented by a joint team from the CfA and the University of Utah showed these super-massive star destroyers can balloon in size by absorbing one-half of a binary star system. ...

2012-03-20 06:20:58

WASHINGTON, March 20, 2012 /PRNewswire-USNewswire/ -- Studies using X-ray and ultraviolet observations from NASA's Swift satellite provide new insights into the elusive origins of an important class of exploding star called Type Ia supernovae. (Logo: http://photos.prnewswire.com/prnh/20081007/38461LOGO) These explosions, which can outshine their galaxy for weeks, release large and consistent amounts of energy at visible wavelengths. These qualities make them among the most...

Image 1 - Kepler Finds Two More Two-Sun Planets
2012-01-12 05:42:31

Astronomers announced the findings of two new circumbinary planets, or worlds that orbit two different stars, during the American Astronomical Society (AAS) meeting in Austin, Texas on Wednesday. The discovery, which was presented by San Diego State University (SDSU) Associate Professor Dr. William Welsh and published online in the journal Nature, used data from NASA's Kepler Mission to locate a pair of transiting circumbinary planet systems. The two worlds, which have been dubbed...

2012-01-11 11:47:00

WASHINGTON, Jan. 11, 2012 /PRNewswire-USNewswire/ -- Using NASA's Hubble Space Telescope, astronomers have solved a longstanding mystery on the type of star, or so-called progenitor, which caused a supernova seen in a nearby galaxy. The finding yields new observational data for pinpointing one of several scenarios that trigger such outbursts. (Logo: http://photos.prnewswire.com/prnh/20081007/38461LOGO) Based on previous observations from ground-based telescopes, astronomers knew the...

Image 2 - Slowpoke Pulsar Found Nestled In Young Supernova Remnant
2011-12-20 15:09:57

Astronomers have discovered a very slowly rotating X-ray pulsar still embedded in the remnant of the supernova that created it. This unusual object was detected on the outskirts of the Small Magellanic Cloud, a satellite galaxy of the Milky Way, using data from a number of telescopes, including ESA's XMM-Newton. A puzzling mismatch between the fairly young age of the supernova remnant and the slow rotation of the pulsar, which would normally indicate a much older object, raises interesting...

In A Star's Final Days, Astronomers Hunt 'Signal Of Impending Doom'
2011-12-01 04:40:55

An otherwise nondescript binary star system in the Whirlpool Galaxy has brought astronomers tantalizingly close to their goal of observing a star just before it goes supernova. The study, submitted in a paper to the Astrophysical Journal, provides the latest result from an Ohio State University galaxy survey underway with the Large Binocular Telescope, located in Arizona. In the first survey of its kind, the researchers have been scanning 25 nearby galaxies for stars that brighten and...

2011-11-30 13:46:00

WASHINGTON, Nov. 30, 2011 /PRNewswire-USNewswire/ -- A peculiar cosmic explosion first detected by NASA's Swift observatory on Christmas Day 2010 was caused either by a novel type of supernova located billions of light-years away or an unusual collision much closer to home, within our own galaxy. Papers describing both interpretations appear in the Dec. 1 issue of the journal Nature. (Logo: http://photos.prnewswire.com/prnh/20081007/38461LOGO) Gamma-ray bursts (GRBs) are the...

Black Hole Birth Announcement
2011-11-17 14:40:32

For the first time, astronomers have produced a complete description of a black hole, a concentration of mass so dense that not even light can escape its powerful gravitational pull. Their precise measurements have allowed them to reconstruct the history of the object from its birth some six million years ago. Using several telescopes, both ground-based and in orbit, the scientists unraveled longstanding mysteries about the object called Cygnus X-1, a famous binary-star system discovered...

2011-11-15 07:05:00

PHOENIX, Nov. 15, 2011 /PRNewswire/ -- IO, the leading provider of next-generation modular data center technology and services, announced today that it has been awarded a contract with Binary Pulse, LLC, a leader in private cloud and IT solutions for professional services practices. "Companies with IT infrastructures in a traditional data center are missing an opportunity to create efficiencies that reduce capital and operational costs," stated Brant Roberts, CEO of Binary Pulse. "IO's...

2011-11-07 07:00:00

NEWARK, N.J., Nov. 7, 2011 /PRNewswire/ -- Binary Tree, a leading provider of software solutions for migrating to Microsoft Exchange and SharePoint, announced today that its E2E Complete software was named the winner in the Best Exchange/Unified Communications product category of the "2011 Best of Connections Awards" by Penton Media's Windows IT Pro, SQL Server Magazine, DevProConnections and SharePoint Pro. (Photo: http://photos.prnewswire.com/prnh/20111107/NY00963 ) "Moving a...


Latest Binary star Reference Libraries

10_92430632dfc26ec0245770cbd79d1d092
2004-10-19 04:45:44

Lyra Constellation -- Lyra (the lyre) is a prominent, although fairly small, northern constellation. It was one of Ptolemy's 48 constellations, and also counts among the modern 88 constellations. Its brightest star is Vega (Alpha Lyrae), which together with Altair (Alpha Aquilae) and Deneb (Alpha Cygni) forms the large asterism known as the Summer Triangle. Beta Lyr is a half separated (i.e. one of the stars reached its Rochevolume) eclipsing binary of a cream-white colour. The...

6_1446abbc556d86191d7944d6c5cf68052
2004-10-19 04:45:43

X-ray Burster -- X-ray bursters are a class of binary stars which are luminous in X-rays. They contain a neutron star and a low-mass companion star. The companion fills its Roche lobe and therefore the neutron star is accreting matter from it. The inflowing gas forms an accretion disk around the neutron star. Sometimes X-ray bursters show a sudden increase in their X-ray luminosity, called X-ray burst. All properties of the X-ray bursts can be explained assuming that they result from...

6_48ed76f36ff2f4ed0ad83a22964029652
2004-10-19 04:45:43

X-ray Binaries -- X-ray binaries are a class of binary stars that are very luminous in X-rays. The X-rays are produced by matter falling from one component (usually a relatively normal star) to the other component, which is a neutron star or a black hole. The infalling matter releases gravitational potential energy, up to several tens of per cent of its rest mass as X-rays. (Hydrogen fusion releases about 0.7 per cent of rest mass) X-ray binaries are further subdivided into...

6_f1577ee462b741c03ef6a7d23d2cd6905
2004-10-19 04:45:43

Variable Star -- Most stars are of nearly constant luminosity. Our own Sun is a good example which goes through practically no measurable variation in brightness. There are, however, stars which do vary in brightness, called variable stars. They fall into two main groups: Intrinsic variables These are stars which have intrinsic variations in brightness, that is the star itself gets brighter and dimmer. There are many types of intrinsic variables, the main types being: -- Mira...

6_56f5b656bab076f112064c1e8bd2f30c2
2004-10-19 04:45:42

Triple Star -- A triple star system consists of three gravitationally bound stars. The stars are in orbits around a common center of mass, usually so that two of the stars form a close binary star and the third is further away. This configuration is often called a hierarchical triple star. Multiple stars containing more than three stars can usually be decomposed to binaries and single stars that are in a hierachically bound system. ----- Click here to learn more on this...

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