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  2. Galaxy cluster - Wikipedia

    en.wikipedia.org/wiki/Galaxy_cluster

    Galaxy cluster IDCS J1426 is located 10 billion light-years from Earth and has the mass of almost 500 trillion suns (multi-wavelength image: X-rays in blue, visible light in green, and infrared light in red). [4] Galaxy clusters typically have the following properties:

  3. Luminous infrared galaxy - Wikipedia

    en.wikipedia.org/wiki/Luminous_infrared_galaxy

    The galaxy belongs to a new class of objects discovered by WISE, extremely luminous infrared galaxies, or ELIRGs. Light from the WISE J224607.57-052635.0 galaxy has traveled 12.5 billion years. The black hole at its center was billions of times the mass of the Sun when the universe was a tenth (1.3 billion years) of its present age of 13.8 ...

  4. Galaxy groups and clusters - Wikipedia

    en.wikipedia.org/wiki/Galaxy_groups_and_clusters

    Galaxy clusters are found by optical or infrared telescopes by searching for overdensities, and then confirmed by finding several galaxies at a similar redshift. Infrared searches are more useful for finding more distant (higher redshift) clusters. X-ray: The hot plasma emits X-rays that can be detected by X-ray telescopes. The cluster gas can ...

  5. List of galaxy groups and clusters - Wikipedia

    en.wikipedia.org/wiki/List_of_galaxy_groups_and...

    The second most massive galaxy cluster next to El Gordo is RCS2 J2327, a galaxy cluster with the mass of 2 quadrillion suns. Also has a systematic designation of ACT-CL J0102-4915. [6] [7] [8] Musket Ball Cluster: Named in comparison to the Bullet Cluster, as this one is older and slower galaxy cluster merger than the Bullet Cluster.

  6. Abell 2744 - Wikipedia

    en.wikipedia.org/wiki/Abell_2744

    Abell 2744, nicknamed Pandora's Cluster, is a giant galaxy cluster resulting from the simultaneous pile-up of at least four separate, smaller galaxy clusters that took place over a span of 350 million years, and is located approximately 4 billion light years from Earth. [1] The galaxies in the cluster make up less than five percent of its mass. [1]

  7. NGC 3256 - Wikipedia

    en.wikipedia.org/wiki/NGC_3256

    The system hides a double nucleus and a tangle of dust lanes in the central region. The telltale signs of the collision are two extended luminous tails swirling out from the galaxy. The tails are studded with a particularly high density of star clusters. [2] NGC 3256 is the most luminous galaxy in the infrared spectrum located within z 0.01 ...

  8. NGC 7552 - Wikipedia

    en.wikipedia.org/wiki/NGC_7552

    The total infrared luminosity of the galaxy is 10 11.03 L ☉, and thus is categorised as a luminous infrared galaxy. [ 8 ] The SIMBAD database lists NGC 7552 as a Seyfert I Galaxy, i.e. it has a quasar -like nucleus with very high surface brightnesses whose spectra reveal strong, high-ionisation emission lines, but unlike quasars, the host ...

  9. Arp 220 - Wikipedia

    en.wikipedia.org/wiki/Arp_220

    Hubble Space Telescope observations of Arp 220 in 2002 and 1997, taken in visible light with the ACS, and in infrared light with NICMOS, revealed more than 200 huge star clusters in the central part of the galaxy. The most massive of these clusters contains enough material to equal about 10 million suns. [4]