The spiral arms of our Milky Way contain interstellar matter, diffuse nebulae, and young stars and
open star clusters emerging from this matter.
The additional 42 entries were mostly discovered earlier, and most of them (32) are
open star clusters; there are no planetary nebulae, supernova remnants, elliptical and lenticular galaxies among them, and the only spiral galaxy in this list is our own, the Milky Way.
Our latest publication is the Atlas of
Open Star Clusters for which we have a PDF sample of the content for you to download.
Two of the sky's finest
open star clusters lurk in the southern part of Scorpius the Scorpion.
«These new results show that planets in
open star clusters are about as common as they are around isolated stars — but they are not easy to detect,» adds Luca Pasquini (ESO, Garching, Germany), co-author of the new paper [6].
It is one of the most spectacular
open star clusters in the whole sky.
The loose speckling of stars in this new ESO image is
the open star cluster IC 4651, located within the Milky Way, in the constellation of Ara (The Altar), about 3000 light - years away.
One such beauty is NGC 299,
an open star cluster located within the Small Magellanic Cloud just under 200,000 light - years away.
The collection of very bright, young stars above and to the right of Eta Carinae is
the open star cluster Trumpler 14.
A second
open star cluster, Collinder 228 is also seen in the image, just below Eta Carinae.
We have also more images of the region of M8 and M20, which sometimes also include the nearby
open star cluster M21.
This star is located only about 11.8 light - years (ly) from our Sun, Sol, just north of the center (08:29:48 +26:46.7, ICRS 2000.0) of Constellation Cancer, the Crab — northwest of the famous
open star cluster M 44 (also known as the Beehive Cluster and Praesepe, Latin for «Manger») and Ascellus Australis (Delta Cancri).
A newly born
open star cluster will remain.
Messier 46 (M46) is
an open star cluster located in the southern constellation Puppis, the Stern.
Society for Nebulous Knowledge,
Open Star Cluster in Sagittarius by Anabella Gaposchk circa 1903, silver gelatin photogram (baking soda) 2002 (8» x5»).
Not exact matches
In tens of millions of years, this will be swept away and only an
open cluster of
stars will remain.
Open clusters are groups of
stars that have formed together from a single cloud of gas and dust in the recent past.
It forms a close binary with another massive
star within the
open cluster, meaning that the two orbit around a shared centre of mass.
It lies within the Milky Way, approximately 4600 light - years away in the constellation of Sagittarius, and consists of many sibling
stars loosely bound together in what is known as an
open cluster.
Globular
clusters, which are found in the halo of a galaxy, contain considerably more
stars and are much older than the less dense galactic, or
open clusters, which are found in the disk.
During the first close approach just prior to four billion years in the future, the sky is ablaze with new
star formation, which is evident in vast numbers of emission nebulae and
open young
star clusters (Image: NASA / STScI)
Open clusters are loosely bound collections of up to a few thousand
stars.
The Soul Nebula is an
open cluster of
stars surrounded by a cloud of dust and gas over 150 light - years across and located about 6,500 light - years from Earth in the constellation Cassiopeia, near the Heart Nebula.
Astrophysics observations with K2 will include studies of young
open clusters, bright
stars, galaxies, supernovae, and asteroseismology.
Kepler's new mission, K2, is targeting several
open clusters and star - forming regions around the ecliptic to... ▽ More Open clusters have been the focus of several exoplanet surveys but only a few planets have so far been discove
open clusters and
star - forming regions around the ecliptic to... ▽ More
Open clusters have been the focus of several exoplanet surveys but only a few planets have so far been discove
Open clusters have been the focus of several exoplanet surveys but only a few planets have so far been discovered.
I shall remember this telescope most for two wonderful observations; gazing into the maw of Copernicus, and cleaving the double
star components of epsilon Lyrae so cleanly that they looked like a small
open cluster.
Kepler's new mission, K2, is targeting several
open clusters and
star - forming regions around the ecliptic to search for transiting planets around their low - mass constituents.
It is a find
open cluster of
stars mainly between 10.
The density waves first concern interstellar matter, which is compressed, forms diffuse nebulae which become starforming regions, and later form (
open)
clusters and associations of young
stars, the most lumionous and conspicuous of which are massive, hot, blue and short - lived.
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).
Located in the constellation Taurus the Bull, the Pleiades is an
open cluster of
stars about 400 light years distant.
These two features have disastrous consequences as far as their ultimate fate is concerned, because
open clusters are not sufficiently gravitationally bound to be able to withstand the disruptive tidal effects in the Galaxy (see star cluster: Open cluste
open clusters are not sufficiently gravitationally bound to be able to withstand the disruptive tidal effects in the Galaxy (see
star cluster:
Open cluste
Open clusters).
Open clusters are distributed in the Galaxy very similarly to young
stars.
Globular
cluster NGC 1850 in the Large Magellanic Cloud.Most of the
cluster consists of yellow
stars; the bright white
stars are members of a second,
open cluster about 200 light - years beyond NGC 1850.
Our team at the Spitzer Science Center (SSC) collaborates on a large project to monitor the fits and growth spurts of baby
stars in the
open cluster NGC 2264.
NGC 188, a very old
open cluster (estimated 5 billion years old), showed only 10 to 20 faint
stars.
open clusters and associations: individual (NGC 6791, NGC 6819)--
stars: late - type —
stars: fundamental parameters —
stars: interiors —
stars: oscillations — asteroseismology
The models include a new wind braking law based on recent numerical simulations of magnetized stellar winds and specific dynamo and mass - loss prescriptions a... ▽ More We present new models for the rotational evolution of solar - like
stars between 1 Myr and 10 Gyr with the aim to reproduce the distributions of rotational periods observed for
star forming regions and young
open clusters within this age range.
Here we use asteroseismology to measure the inclination angles of spin axes in 48
stars from the two old
open clusters NGC ~ 6791 and NGC ~ 6819.
We have validated the BACCHUS code on APOGEE data using several well - known
stars, and
stars from
open and globular
clusters.
To find NGC 891, you have to locate two objects, M34 (
open cluster) in Perseus and the yellow - blue double
star Gamma Andromedae.
We compare model predictions to the distributions of rotational periods measured for low mass
stars belonging to
star forming regions and young
open clusters.
This small (and often neglected)
open cluster can be found 2 ° south of M17 and 2 ° north of M24, the Small Sagittarius
Star Cloud.
UKS image of the Milky Way around the Omega Nebula M17 (the red nebula slightly left of top center),
open cluster M18 (the little
cluster nearly exactly between M17 and M24) and the Milky Way
star cloud M24 (slightly below center).
The Trapezium
Cluster is among the very youngest (
open)
clusters known, with new
stars still forming in this region.
Immediately south of the
star cloud, separated by a dark band, is the emission nebula IC 1283 - 1284, with two adjacent reflection nebulae, NGC 6589 and NGC 6590, all these nebulae associated with the little conspicuous
open cluster NGC 6595.
Star Eta Carinae is involved in
open cluster Trumpler 16.
An average
open cluster has spread most of its member
stars along its path after several 100 million years; only few of them have an age counted by billions of years.
Messier 17 is a
star forming region with an
open cluster, and it is part of a larger cloud of molecular gas found in the direction of Sagittarius.
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