• Thumbnail for NGC 4395
    NGC 4395 is a nearby low surface brightness spiral galaxy located about 14 million light-years (or 4.3 Mpc) from Earth in the constellation Canes Venatici...
    8 KB (850 words) - 20:27, 21 July 2024
  • October 2005). "Multiwavelength Monitoring of the Dwarf Seyfert 1 Galaxy NGC 4395. I. A Reverberation-Based Measurement of the Black Hole Mass". The Astrophysical...
    24 KB (2,246 words) - 16:56, 17 June 2024
  • Thumbnail for Intermediate-mass black hole
    the technique of reverberation mapping. For instance, the spiral galaxy NGC 4395 at a distance of about 4 Mpc appears to contain a black hole with mass...
    26 KB (3,027 words) - 03:53, 9 August 2024
  • Thumbnail for List of most massive black holes
    galaxies M31 and M32, and a few galaxies beyond the Local Group, e.g. NGC 4395. In these galaxies, the mean square (or root mean square) velocities of...
    76 KB (5,741 words) - 11:57, 9 August 2024
  • Thumbnail for Supermassive black hole
    galaxies M31 and M32, and a few galaxies beyond the Local Group, such as NGC 4395. In these galaxies, the root mean square (or rms) velocities of the stars...
    104 KB (11,046 words) - 12:16, 8 August 2024
  • Thumbnail for Central massive object
    identified with the NSC. A few galaxies, for instance the Milky Way and NGC 4395, are known to contain both a SBH and a NSC. Although this is suggestive...
    3 KB (338 words) - 17:55, 29 July 2023
  • This is a list of NGC objects 4001–5000 from the New General Catalogue (NGC). The astronomical catalogue is composed mainly of star clusters, nebulae...
    22 KB (183 words) - 00:58, 9 August 2024
  • Thumbnail for Seyfert galaxy
    holes in its center NGC 4395, an example of a low surface brightness galaxy with an intermediate-mass black hole in its center NGC 4725, one of the closest...
    49 KB (5,702 words) - 02:45, 17 July 2024
  • Galaxy NGC 1090". Retrieved Dec. 26, 2006 Matthews, Doug & Betts, Charles (2003). "NGC 2541". Retrieved Dec. 26 2006. Frommert, Hartmut. "NGC 2715" Archived...
    18 KB (156 words) - 02:41, 17 July 2024
  • M94 Group (redirect from NGC 4736 Group)
    created from the Nearby Optical Galaxy sample of Giuricin et al. Additionally, NGC 4105 and DDO 169 are frequently but not consistently identified as members...
    7 KB (528 words) - 03:58, 13 August 2023
  • Thumbnail for Unbarred spiral galaxy
    NGC 300 is an "SA(s)d" NGC 45 SAdm SAdm can also be considered a type of unbarred Magellanic spiral NGC 45 is an "SA(s)dm" NGC 4395 SAm SAm is a type of...
    4 KB (161 words) - 13:59, 5 July 2024
  • Configurations: N.G.C. 3379 N.G.C. 4621 N.G.C. 3115 N.G.C. 4594 in Virgo N.G.C. 4565 in Berenice's hair...221 XXIX Two Nebulae (N.G.C. 4395, 4401) suggestive...
    7 KB (937 words) - 10:30, 15 July 2024
  • Thumbnail for NGC 820
    NGC 820 is a spiral galaxy located in the constellation Aries about 210 million light-years from the Milky Way. It was discovered by British astronomer...
    3 KB (220 words) - 06:31, 25 August 2023
  • Thumbnail for NGC 4036
    NGC 4036 is the New General Catalogue identifier for a lenticular galaxy in the northern circumpolar constellation of Ursa Major. In the Carnegie Atlas...
    11 KB (910 words) - 23:58, 16 July 2024
  • Thumbnail for NGC 4041
    NGC 4041 is the New General Catalogue identifier for a spiral galaxy in the northern circumpolar constellation of Ursa Major. It is located an estimated...
    11 KB (869 words) - 23:59, 16 July 2024
  • velocity (v sin i) 17.0 km/s Other designations λ Crt, 13 Crateris, BD−17° 3367, HD 98991, HIP 55598, HR 4395, SAO 156646. Database references SIMBAD data...
    9 KB (598 words) - 23:18, 24 September 2023