open cluster


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open cluster

n.
A loose, irregular grouping of stars that originated from a single nebula located in the disk of a spiral galaxy. Also called galactic cluster.

open cluster

A loose group of approximately 100 to several thousand young stars that formed from the same nebula at about the same time. The Pleiades is an open cluster. Compare globular cluster.
References in periodicals archive ?
Scientists estimate that Messier 11 will lose its stars gradually over the next few million years until the open cluster eventually disperses completely.
Centering NGC 663 draws the last two members of the open cluster quartet into view, NGC 654 and NGC 659, both much smaller than their neighbor.
The Lagoon Nebula and the open cluster enmeshed in it are 4,300 light-years distant, considerably closer to us than M22.
One of Monoceros' famous objects is the open cluster NGC 2323, perhaps better known as Messier 50, which can be found easily with only the aid of binoculars.
Although most of the finest deep sky objects have Messier designations, there are many that do not and open cluster NGC 457 in Cassiopeia, one of the 107 open clusters in the Herschel 400 observing list, is one of them.
The Beehive is an open cluster, or a grouping of stars born at about the same time and out of the same giant cloud of material.
M45: Better known as the Pleiades or Seven Sisters, this open cluster is one of the most spectacular of its kind in the heavens.
I think NetApp's been tracking VI for a while and the next generation open cluster interconnect is really interesting, because from our perspective it enables us to combine all of the performance advantages of direct connect storage with all of the flexibility and data sharing and maintainability advantages of file access protocol where we have been specializing.
Latham of the Harvard-Smithsonian Center for Astrophysics in Cambridge, Mass., indicate that many of the blue stragglers in the open cluster M67 do have a distant companion.
Just a little to the east of The Coathanger, straight in line with the bar, you'll find the small open cluster NGC 6802, whose stars are arranged in an oblong oval that looks a little like a figure 8 or a helix.
In an open cluster, stars are gathering debris and gas, becoming much larger over time but are not as gravitationally bound to one another as the ancient stars found in a globular cluster.
The open cluster NGC 6631 is located about 2.50 north-east of M16 inside the boundaries of Scutum.

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