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New quasar discovered by astronomers

(Phys.org)—A team of astronomers led by Jacob M. Robertson of the Austin Peay State University in Clarksville, Tennessee has detected a new quasi-stellar object (QSO). They found the new quasar, designated SDSS J022155.26-064916.6, as a result of an analysis of available spectroscopic data. The finding is reported in a paper published Sept. 10 on the arXiv pre-print server.

Scientists use mismatch in telescopic data to get a handle on quasars and their 'tails'

(Moscow Institute of Physics and Technology) Scientists compared the data on the coordinates of quasars obtained by Gaia and VLBI and suggested a method for revealing structure indirectly by means of combining the data from existing telescopes. Moreover, the precision they've got is superior to what is possible with ordinary optical telescopes and even with Hubble.

Scientists use mismatch in telescopic data to get a handle on quasars and their 'tails'

Scientists have determined the properties of ionized jets of matter ejected by supermassive black holes in active galactic nuclei. They analyzed unexpected discrepancies between the data of high-precision observations conducted by an international network of radio telescopes and that of Gaia—a space observatory of the European Space Agency equipped with optical telescopes.

VLA reveals distant galaxy's magnetic field

(National Radio Astronomy Observatory) A chance combination of a gravitational lens and polarized waves coming from a distant quasar gave astronomers the tool needed to make a measurement important to understanding the origin of magnetic fields in galaxies.

Wild Theory Suggests Heavy Metals Came From Parasitic Black Holes

If you were to rank the wildest things in the universe, there are a few obvious contenders. Gamma rays, fast radio bursts and quasars, for example. But no list would be complete without black holes and the black hole's less-dense cousins, the neutron star. Show More Summary

"Extinct Galaxies" --Astronomers Discover Hidden Quasars the Culprit

Some of the biggest galaxies in the universe are full of extinguished stars. But nearly 12 billion years ago, soon after the universe first was created, these massive galaxies were hotspots that brewed up stars by the billions. How these...        

Did quasars halt star formation in early massive galaxies?

2 months agoNews : The Raw Story

Quasars, the brightest objects in the universe, may have been responsible for the stopping of star-formation activity in some of the early massive galaxies in the universe, a new study suggests. These galaxies were hotspots of activity, throwing up stars by the billions, about 12 billion years ago,...

Quasars may answer how starburst galaxies were extinguished

Some of the biggest galaxies in the universe are full of extinguished stars. But nearly 12 billion years ago, soon after the universe first was created, these massive galaxies were hotspots that brewed up stars by the billions.

Quasars may answer how starburst galaxies were extinguished

(University of Iowa) University of Iowa astronomers have located quasars inside four dusty starburst galaxies. The observations suggest quasars may starve this type of galaxy of energy needed to form stars. Results published in the Astrophysical Journal.

StarTalk Radio: "The Water Universe" --The Core of a Galaxy was Recently Discovered To Harbor 140 Trillion Times the Water in Earth's Oceans

We recently reported on an enormous galaxy that at its core contains an equivalent to 140 trillion times all the water in the world's ocean, surrounding a huge, feeding black hole, called a quasar, more than 12 billion light-years away....        

'Pompom' stars may solve quasar puzzle

Gas filaments surrounding stars like the strands of a pompom may be the answer to a 30-year old mystery: why quasars twinkle.

Will Quasar Appear In ‘Guardians 3’? James Gunn’s Tweet Causes Fan Speculation

3 months agoEntertainment / Film : SlashFilm

Guardians of the Galaxy series director James Gunn posted a tweet yesterday that is leading fans to speculate that the character Quasar might appear in the third installment of Marvel’s cosmic franchise. Was the tweet a sly tease, an unintentional slip-up, or just an observation completely unrelated to Guardians of the Galaxy Vol. Show More Summary

James Gunn Teases Quasar for Guardians of the Galaxy 3?

3 months agoEntertainment / Film : MovieWeb

Director James Gunn sent out a seemingly random tweet today, which many people believe is a hint that Quasar will show up in Guardians Vol. 3.

James Gunn May Have Just Teased Quasar for GOTG3

James Gunn may have just teased the live-action debut of Marvel cosmic hero Quasar, under the veil of random VHS nostalgia. The post James Gunn May Have Just Teased Quasar for GOTG3 appeared first on CBR.

Astronomy: Quasars signpost massive galaxies

4 months agoAcademics : Nature

The neighbourhoods of extremely bright astronomical objects called quasars in the early Universe have been incompletely probed. Observations suggest that these regions harbour some of the most massive known galaxies. See Letter p.45...

Rapidly star-forming galaxies adjacent to quasars at redshifts exceeding 6

4 months agoAcademics : Nature

The existence of massive (1011 solar masses) elliptical galaxies by redshift z???4 (refs 1, 2, 3; when the Universe was 1.5 billion years old) necessitates the presence of galaxies with star-formation rates exceeding 100 solar masses per year at z?>?6 (corresponding to an age of the Universe of less than 1 billion years). Show More Summary

Stars as random number generators could test foundations of physics

(Phys.org)—Stars, quasars, and other celestial objects generate photons in a random way, and now scientists have taken advantage of this randomness to generate random numbers at rates of more than one million numbers per second. Generating random numbers at very high rates has a variety of applications, such as in cryptography and computer simulations.

Discovery in the early universe poses black hole growth puzzle

Quasars are luminous objects with supermassive black holes at their centers, visible over vast cosmic distances. Infalling matter increases the black hole mass and is also responsible for a quasar's brightness. Now, using the W.M. Keck...Show More Summary

Shedding light on the cosmic web

Astronomers use the light of double quasars to measure the structure of the universe

Shedding light on the cosmic web

Astronomers use the light of twin quasars to measure the structure of the universe

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