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  2. List of astronomical catalogues - Wikipedia

    en.wikipedia.org/wiki/List_of_astronomical...

    1A, 2A, 3A — Lists of X-ray sources from the Ariel V satellite [2] 1C — First Cambridge Catalogue of Radio Sources; 1ES — Einstein Slew Survey [1] [3] 1FGL, 2FGL [4] — Lists of gamma-ray sources from the Large Area Telescope on board the Fermi Gamma-ray Space Telescope; 1RXH — ROSAT HRI Pointed Observations

  3. List of NGC objects - Wikipedia

    en.wikipedia.org/wiki/List_of_NGC_objects

    The following is a list of NGC objects, that is objects listed in the New General Catalogue (NGC). It is one of the largest comprehensive astronomical catalogues for deep sky objects such as star clusters, nebulae, and galaxies.

  4. Category:Astrophysics - Wikipedia

    en.wikipedia.org/wiki/Category:Astrophysics

    Astrophysics is the branch of astronomy that deals with the physics of the universe, including the physical properties (luminosity, density, temperature, chemical composition) of astronomical objects such as stars, galaxies, and the interstellar medium, as well as their interactions.

  5. NGC 2556 - Wikipedia

    en.wikipedia.org/wiki/NGC_2556

    NGC 2556 can be visible from both the Northern and Southern hemispheres since it is near the celestial equator. [2] NGC 2556 was discovered on February 17, 1865 by the astronomer Albert Marth, and it is not known to have an active galactic nucleus. [3] [1] NGC 2556 is a member of the LGG 158 galaxy group.

  6. Category:Astronomical coordinate systems - Wikipedia

    en.wikipedia.org/wiki/Category:Astronomical...

    This page was last edited on 3 November 2021, at 12:38 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  7. List of galaxies - Wikipedia

    en.wikipedia.org/wiki/List_of_galaxies

    Most extreme example in the list of moderate-redshift galaxies with the highest density starbursts yet observed found in the Wide-field Infrared Survey Explorer data (Diamond-Stanic et al. 2012). [160] Cosmos Redshift 7: z = 6.604 Sextans: Brightest distant galaxy (z > 6, 12.9 billion light-years)

  8. Messier 87 - Wikipedia

    en.wikipedia.org/wiki/Messier_87

    Virgo A, Virgo X-1, NGC 4486, UGC 7654, PGC 41361, VCC 1316, Arp 152, 3C 274, [5] 3U 1228+12. [ 9 ] Messier 87 (also known as Virgo A or NGC 4486 , generally abbreviated to M87 ) is a supergiant elliptical galaxy in the constellation Virgo that contains several trillion stars.

  9. Alpha Persei - Wikipedia

    en.wikipedia.org/wiki/Alpha_Persei

    Alpha Persei (Latinized from α Persei, abbreviated Alpha Per, α Per), formally named Mirfak [11] (pronounced / ˈ m ɜːr f æ k / or / ˈ m ɪər f æ k /), [12] is the brightest star in the northern constellation of Perseus, outshining the constellation's best-known star, Algol (β Persei).