Sentences with phrase «young open cluster»

It became possible in the 1990s to discover very young open clusters that previously had been entirely hidden in deep, dusty regions.

NGC 6530 is an extremely young open cluster which was formed from the material of the Lagoon Nebula M8, and it is situated well within this diffuse nebula.

The Ara Cluster is a compact young open cluster located approximately 12,100 light years from Earth.

It shows a young open cluster of stars known as NGC 2367, an infant stellar grouping that lies at the center of an immense and ancient structure on the margins of the Milky Way.

Astrophysics observations with K2 will include studies of young open clusters, bright stars, galaxies, supernovae, and asteroseismology.

The young open cluster NGC 6530 associated with the Lagoon Nebula M8 was classified as of Trumpler type «II 2 m n» (see e.g. the Sky Catalog 2000), meaning that it is detached but only weakly concentrated toward its center, its stars scatter in a moderate range of brightness, it is moderately rich (50 — 100 stars), and associated with nebulosity (certainly, with the Lagoon nebula).

There is some evidence that the younger open clusters are more densely concentrated in the Galaxy's spiral arms, at least in the neighbourhood of the Sun where these arms can be discerned.

However, Flamsteed's position is close to that later determined by Messier and near the center of the nebula, while the young open cluster, which was later cataloged as NGC 6530, is situated (or at least centered) in the Eastern half of M8.

The open cluster within the nebulosity is one of the youngest open clusters known.