Tag Archive for 'Active galactic nucleus'

This Hubble image shows the barred spiral galaxy Messier 77; the streaks of red and blue in the image highlight pockets of star formation along the pinwheeling arms, with dark dust lanes stretching across the galaxy’s starry center; the galaxy belongs to a class of galaxies known as Seyfert galaxies, which have highly ionized gas surrounding an intensely active center. Image credit: NASA / ESA / A. van der Hoeven.

ALMA Finds Cosmic Fountain at Center of Messier 77

Sep 20, 2016 by News Staff

This Hubble image shows the barred spiral galaxy Messier 77; the streaks of red and blue in the image highlight pockets of star formation along the pinwheeling...

Vista Magellanic Clouds Survey view of the galaxy SAGE0536AGN (elliptical object in the center of the frame). Image credit: ESO / VISTA Magellanic Cloud Survey / Royal Astronomical Society.

Monster Black Hole Found 2.3 Billion Light-Years Away

Sep 25, 2015 by News Staff

A team of astronomers from the UK has discovered a black hole of 350 million solar masses at the center of the galaxy SAGE1C J053634.78−722658.5 (SAGE0536AGN...

This artist’s impression illustrates how high-speed jets from supermassive black holes would look. Image credit: ESA / Hubble / L. Calçada, ESO.

New Study Finds Link between Black Holes with Relativistic Jets, Galactic Mergers

May 29, 2015 by News Staff

A new study, accepted for publication in the Astrophysical Journal (arXiv.org preprint), finds a link between the presence of supermassive black holes...

This image shows the spiral Seyfert galaxy NGC 4151, also known as the Eye of Sauron. Image credit: NASA.

Astronomers Measure Distance to Eye of Sauron (NGC 4151)

Nov 27, 2014 by News Staff

A team of astronomers led by Dr Sebastian Hoenig from the University of Copenhagen and the University of Southampton has developed a new method for determining...

Newton Zooms in on Black Holes in Distant Galaxies

Jun 1, 2012 by News Staff

Using data from ESA’s XMM-Newton satellite, astronomers have detected a long-sought X-ray echo that promises a new way to probe supermassive black holes...

Astrophysicists Observe How Black Holes Are Fueled

May 18, 2012 by James Freeman

By combining the light of three powerful infrared telescopes, an international team of astrophysicists has observed the active accretion phase of a supermassive...

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