Sentences with phrase «than its host galaxy»

Although GRB 000131, like other gamma - ray bursts, appears to have taken place in a remote «early galaxy» (or «sub-galactic clumps» of stars) that is smaller than today's luminous galaxies, astronomers found it difficult to detect that extremely dim, sub-galactic clump of stars even with the Hubble Space Telescope, as the observed fading of the afterglow indicated that the maximum brightness of the gamma - ray emission was explosion was at least 10,000 times brighter than its host galaxy.

SN 2006gy had a luminosity (or intrinsic brightness) equal to that of some 50 billion suns — around 10 times brighter than host galaxy NGC 1260 — before beginning a slow decline.

Not exact matches

«NGC 1277's black hole could be many times more massive than its largest known compete tor, which is estimated but not confirmed to be between 6 billion and 37 billion solar masses in size.It makes up about 59 percent of its host galaxy's central mass — the bulge of stars at the core.

And the gamma - ray emission from FRB 131104 outshines its radio emissions by more than a billion times, dramatically raising estimates of the burst's energy requirements and suggesting severe consequences for the burst's surroundings and host galaxy.

The researchers studied six years of microlensing data and estimated that extrasolar planets are the rule rather than the exception, with each star in the galaxy hosting an average of 1.6 planets (Nature, DOI: 10.1038 / nature10684).

Astronomers seeking mysterious fast radio bursts have traced one back to its host galaxy — and found such signals could have more than one type of source

These ultra-compact dwarfs are around 0.1 percent the size of the Milky Way, yet they host supermassive black holes that are bigger than the black hole at the center of our own galaxy,» marvels Ahn.

In a 2008 study, Haiman and his colleagues hypothesized that radiation from a massive neighboring galaxy could split molecular hydrogen into atomic hydrogen and cause the nascent black hole and its host galaxy to collapse rather than spawn new clusters of stars.

This sounds reasonable at first, but host galaxies are 10 billion times bigger than the central black holes; it should be difficult for two objects of such vastly different scales to directly affect each other.

There are more pairs of stars than solo stars in our galaxy, but fewer pairs host planets.

Bright spots in the map include the Crab Nebula, which hosts a radiation - spewing stellar corpse called a pulsar, and several blazars, violent active galaxies where colossal black holes accelerate particles to more than 99 % the speed of light.

Quasars can shine more brightly than all the stars in the rest of their host galaxies put together.

Black holes and their host galaxies have a tight relationship: Regardless of their size, the central swarms of stars in galaxies are always about 500 times more massive than the giant black holes they contain (ScienceNOW, 5 June 2000).

Stars tidally stripped from their host galaxies are the most likely culprit, rather than unknown primordial galaxies.

Building on this discovery, the CfA team found that SN 2017egm's host galaxy has a high concentration of elements heavier than hydrogen and helium, which astronomers call «metals.»

And, the clouds extended more than 30,000 light - years outside the host galaxies.

«If they are supernova explosions, then their properties are more extreme than we have ever observed before, and are likely connected to the central environments of the host galaxies.»

Most galaxies host black holes with with masses less than one percent of the galaxy.

The supermassive black hole at the center of NGC 4258 is about ten times larger than the one in the Milky Way, and is also consuming material at a faster rate, potentially increasing its impact on the evolution of its host galaxy.

GRB 000131 was at least 10,000 times brighter than its remote host galaxy (more at GRB 000131 and Bloom et al, 2001).

A galaxy's core size typically is correlated to the dimensions of its host galaxy, but in this case, the central region is much larger than astronomers would expect for the galaxy's size.

Confirming previous Chandra results, this study finds the fraction of galaxies found to be hosting supermassive black holes is much higher than found with optical searches.