Sentences with phrase «type of active galaxy»

Blazars are a type of active galaxy — about 1,000 have been cataloged [source: A Review of the Universe].

One type of active galaxy is the Seyfert galaxy, named after Carl Seyfert who was the first to discover the peculiar spectra of these types of galaxies.

A third type of active galaxy called BL Lacertae objects (BL Lac objects for short) are probably radio galaxies with their jets pointed right at us.

The particular type of active galaxy seen then simply depends on the angle the accretion disk and dust ring are to the line of sight.

«Blazars are one type of active galaxy,» said Marco Ajello, a professor of physics and astronomy and Paliya's advisor.

Known as Seyfert galaxies, these are another type of active galaxy with relatively low mass black holes residing at their centers.

For decades, astronomers have tried to pin down why two of the most common types of active galaxies, known as Type I and Type II galaxies, appear different when observed from Earth.

Blazars appear to produce more gamma radiation than other types of active galaxies, but this may be because one of their jets is pointed toward Earth.

Not exact matches

This may explain why jellyfish galaxies seem more likely than other types of galaxies to have active black holes at their centres.

Although the origin of the gamma rays is still being investigated, their discovery suggests the flaring behaviour of Cygnus X-3 is an even better analogue to that of quasars and other types of flaring galaxies known as «active galactic nuclei» (AGN) than previously thought.

Although both galaxy types host voracious supermassive black holes known as active galactic nuclei, which actively swallow matter and emit massive amounts of radiation, Type I galaxies appear brighter to astronomers» telescopes.

«By putting us on a path to better understand the differences between the galaxies that host Type I and Type II active nuclei, this work will help us better understand how supermassive black holes influence the evolution of their host galaxies.»

One reason Morris and a growing number of astronomers are mesmerized by the maelstrom at the core of our galaxy is that it doesn't fit neatly into any of the models that scientists have painstakingly assembled over the decades to describe the various types of «active» galaxies they observe.

The two different classes of jet - spewing active galaxies called blazars may, in fact, be a single hybrid type that evolves over time, according to new research.

Active galaxies come in a variety of types, including Seyfert galaxies, radio galaxies, and quasars.

Active galactic nuclei (AGN) are a type of extremely bright galaxy core seemingly fueled by powerful black holes actively gobbling large amounts of material.

There are four classifications of active galaxy, but the type we observe may depend more upon our viewing angle than structural differences.