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  2. TON 618 - Wikipedia

    en.wikipedia.org/wiki/TON_618

    TON 618 (abbreviation of Tonantzintla 618) is a hyperluminous, broad-absorption-line, radio-loud quasar, and Lyman-alpha blob [2] located near the border of the constellations Canes Venatici and Coma Berenices, with the projected comoving distance of approximately 18.2 billion light-years from Earth.

  3. Lyman-alpha blob - Wikipedia

    en.wikipedia.org/wiki/Lyman-alpha_blob

    Animation of a Lyman-alpha blob. The giant Lyman-alpha blob LAB-1 (left) and an artist's impression of what it might look like if viewed from relatively close (right).. In astronomy, a Lyman-alpha blob (LAB) is a huge concentration of a gas emitting the Lyman-alpha emission line.

  4. Canes Venatici - Wikipedia

    en.wikipedia.org/wiki/Canes_Venatici

    Ton 618 is a hyperluminous quasar and blazar in this constellation, near its border with the neighboring Coma Berenices. It possesses a black hole with a mass 66 billion times that of the Sun, making it one of the most massive black holes ever measured. [28] There is also a Lyman-alpha blob. [29]

  5. List of quasars - Wikipedia

    en.wikipedia.org/wiki/List_of_quasars

    TON 618: TON 618 is a very distant and extremely luminous quasar—technically, a hyperluminous, broad-absorption line, radio-loud quasar—located near the North Galactic Pole in the constellation Canes Venatici.

  6. Phoenix Cluster - Wikipedia

    en.wikipedia.org/wiki/Phoenix_Cluster

    The Phoenix Cluster (SPT-CL J2344-4243) is a massive, Abell class type I galaxy cluster located at its namesake, southern constellation of Phoenix.It was initially detected in 2010 during a 2,500 square degree survey of the southern sky using the Sunyaev–Zeldovich effect by the South Pole Telescope collaboration. [5]

  7. Supermassive black hole - Wikipedia

    en.wikipedia.org/wiki/Supermassive_black_hole

    Masses of black holes in quasars can be estimated via indirect methods that are subject to substantial uncertainty. The quasar TON 618 is an example of an object with an extremely large black hole, estimated at 4.07 × 10 10 (40.7 billion) M ☉. [108] Its redshift is 2.219.

  8. 1ES 1927+654 - Wikipedia

    en.wikipedia.org/wiki/1ES_1927+654

    1ES 1927+654 is a type 2 Seyfert galaxy [1] located 270 million light-years away in the constellation of Draco, containing an active galactic nucleus. [2] [3] [4] [5 ...

  9. GRB 190114C - Wikipedia

    en.wikipedia.org/wiki/GRB_190114C

    GRB 190114C was an extreme gamma-ray burst explosion from a galaxy 4.5 billion light years away (z=0.4245; [2] magnitude=15.60est [3]) near the Fornax constellation, [4] [5] [6] that was initially detected in January 2019.