Sentences with phrase «brightest cluster galaxies»

«The galaxies at the centers of clusters, called Brightest Cluster Galaxies, are the most massive galaxies in the Universe.

Previously astronomers observed steady movements among the «brightest cluster galaxies (BCGs),» which — as the name implies — are the «most luminous galaxies in the universe.»

Such clusters have very dense cores, each containing a massive galaxy called the «brightest cluster galaxy» (BCG).

Not exact matches

The gravity from all that mass redirects any light that tries to sneak past, bending and focusing it, creating bigger and brighter images of galaxies far beyond the cluster.

As well as the SMC itself this very wide - field image reveals many background galaxies and several star clusters, including the very bright 47 Tucanae globular cluster at the right of the picture.

Follow - up images and analyses, posted June 30 at arXiv.org, showed that light is probably from a single bright blue star that coincidentally was behind the galaxy cluster, aligned along Hubble's line of sight.

Its 5 inch aperture ensures that it gathers plenty of light for great views of the planets and Moon, as well as brighter galaxies, nebulae, and star clusters.

Using observations from several telescopes, Yale University astronomer Pieter van Dokkum and colleagues studied 10 bright clumps of stars within the galaxy, known as globular clusters, and measured their velocities.

47 Tucanae is 10.5 billion years old and one of the brightest of our galaxy's more than 150 globular clusters.

The three bands then correspond to the galactic center of a galaxy in the Hubble field and the interacting galaxy, the center of a bright star in the Magellanic cloud and a star cluster and the last band corresponds to the white dwarf in the Helix and Cat's eye nebulae.

The phenomenon was so unexpected that he conducted an expanded survey, looking at more and brighter galaxy clusters.

Red indicates 10 million Kelvin gas at the centers of massive galaxy clusters, while bright structures show diffuse gas from the intergalactic medium shock heating at the boundary between cosmic voids and filaments.

The Antennae galaxies, named for their insectlike appearance (left, from ground - based telescope) are two merging spiral galaxies that have spawned over 1000 young star clusters visible as bright blue spots from t

The new research examines the Arches cluster, a stunning nest of bright stars near the galaxy's core.

The huge mass of the cluster acts as a cosmic magnifying glass and enlarges even more distant galaxies, so they become bright enough for Hubble to see.

Researchers were able to study the quasar (seen above) in detail, thanks to the magnifying effect of a gravitational lens — a massive galaxy cluster in front of it — that caused it to appear brighter than it would have otherwise.

Visualizations of the simulated distributions of gas and stars in the Universe from data provided by Cosmowebportal: The cube represents a space section of the Universe (more than 300 million light years), the bright spots on the cube faces show galaxies and galaxy clusters along the cosmic web.

Faint objects like galaxies and globular clusters are clear to the naked eye from here; the night I visited, the night sky was bright enough to read by, the Milky Way was lit up like a celestial highway and faint meteors continually peppered the heavens.

NGC 1400 is the second brightest galaxy in the cluster, after NGC 1407, and together these two galaxies supply two - thirds of the cluster's light.

First, the cluster is nearby, so its galaxies are bright and many of them have measured velocities.

And third, the fastest galaxy, which revealed the cluster's high mass, was the second brightest member and so had a measured distance and velocity.

The cluster is so massive that its powerful gravity bends the light from galaxies far behind it, making background objects appear larger and brighter in a phenomenon called gravitational lensing.

The large amount of star formation and the «beads on a string» feature in the core of SpARCS1049 +56 are likely the result of the Brightest Cluster Galaxy in the process of gobbling up a gas - rich spiral galaxy.

The Subaru data reveal the presence of a surrounding large scale structure with the major axis running approximately north - west south - east (NW - SE), aligned with the cluster and its brightest galaxy shapes, showing elongation with a \ sim 2:1 axis ratio in the plane of the sky.

NGC 4753 (centre) is a bright lenticular galaxy and the brightest galaxy in the NGC 4753 group which forms part of the southern edge of the Virgo cluster.

This map shows 600 of the brightest galaxies within 7.5 degrees of the centre of the cluster - this is an arbitary border, there are many other galaxies beyond this limit especially to the south of the cluster where there are several additional galaxy groups.

NGC 4030 (left) is the brightest galaxy in a small group located to the lower - right of the Virgo cluster.

This «gravitational lens» magnifies galaxies behind the cluster, making them appear far brighter than they would if the foreground cluster of galaxies were not there.

Of all the globular clusters in the Local Group of galaxies, only Mayall II in the Andromeda Galaxy is brighter and more massive.

Situated in the southern part of constellation Coma Berenices, it is one of the brighter spiral members of the Virgo Cluster of Galaxies.

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

This phenomenon is what makes NGC 4696 stand out from among the other members of the Centaurus cluster, making it one of the biggest and brightest galaxies in the observable universe.

Although it is close to the line of sight to the globular cluster M15, most astronomers had thought that this source of bright radio waves was probably a distant galaxy.

But from this angle, the clusters of stars in between Hubble and the galaxy in question have so much mass that they act as a second, natural telescope, magnifying it and making it brighter.

This map shows the positions of 118 of the brightest galaxies in the core of this cluster.

Then, using the twin 10 - meter optical and infrared telescopes at the W. M. Keck Observatory on Mauna Kea in Hawaii, the astronomers singled out 10 bright globular clusters (large compact groups of stars orbiting the galaxy's core) and used spectral data to measure their motions.

Dr. Jean Brodie, from the University of California at Santa Cruz, will trace the formation and evolution of galaxies over cosmic time, making use of some «astronomical fossils» called globular star clusters, that are bright beacons tracing all the mergers and acquisitions that have assembled into present day galaxies.

The map shows the positions of 500 of the brightest galaxies in and around this cluster.

Subsequently, however, an even more distant quasar with a tentative redshift of z = 6.40 was announced on January 9, 2003, near the SDSS detection limit of a redshift of z ~ 6.5 for bright quasars, and other teams of astronomers detected even more distant, fast - star - forming irregular proto - galaxies, including: gravitationally - lensed HCM 6A behind galaxy cluster Abell 370 with a redshift of z ~ 6.56, which appears to be converting about 40 Solar - masses into stars annually; (PhysicsWeb; IFA press release; Hu et al, 2002, in pdf; and erratum); and the possible «superwind - galaxy» LAE J1044 - 0130 (Subaru press release; and Ajiki et al, 2002, in pdf).

This young cluster of about 3,000 stars in our Milky Way is called Westerlund 2 and contains some of the galaxy's hottest, brightest, and most massive stars.

Located three billion light - years away, the galaxy is the most massive and brightest galaxy in the Abell 2261 cluster.

Encircling the galaxies are young, bright blue star clusters and pinkish clouds of glowing hydrogen where infant stars are being born.

The brightest clusters are found along an arc near the galaxy's centre.

Its primary 5 - inch mirror offers crisp, intimate views of the moon and bright planets, and provides an entry into views of distant galaxies and star clusters.