• Thumbnail for NGC 3443
    NGC 3443 is a spiral galaxy in the constellation of Leo. Its velocity with respect to the cosmic microwave background is 1468 ± 24 km/s, which corresponds...
    3 KB (192 words) - 00:51, 31 July 2024
  • Thumbnail for Messier 106
    Messier 106 (redirect from NGC 4258)
    et al. (2004). "Improved Maser Distance to NGC 4258". Bulletin of the American Astronomical Society. 36: 1468. Bibcode:2004AAS...205.7301H. "M 106". SIMBAD...
    10 KB (921 words) - 16:17, 15 August 2024
  • This is a list of NGC objects 1001–2000 from the New General Catalogue (NGC). The astronomical catalogue is composed mainly of star clusters, nebulae...
    143 KB (492 words) - 03:58, 29 July 2024
  • Thumbnail for Seyfert galaxy
    J. M. (2004). "Improved Maser Distance to NGC 4258". Bulletin of the American Astronomical Society. 36: 1468. Bibcode:2004AAS...205.7301H. Nemiroff, R...
    49 KB (5,702 words) - 02:45, 17 July 2024
  • Thumbnail for Hubble sequence
    M51a (Whirlpool Galaxy), NGC 300, NGC 772. Examples of barred spiral galaxies: M91, M95, NGC 1097, NGC 1300, NGC1672, NGC 2536, NGC 2903. Galaxies that do...
    28 KB (3,047 words) - 20:47, 8 July 2024
  • Thumbnail for List of dark nebulae
    1384 LDN 1385 LDN 1386 LDN 1450,A (Barnard 205), B, C, and E around NGC 1333 LDN 1468 LDN 1470 LDN 1510 LDN 1530 LDN 1630 LDN 1635 LDN 1641 DOBASHI 264...
    7 KB (861 words) - 10:15, 18 August 2024
  • Thumbnail for Cygnus X-1
    77–115, arXiv:gr-qc/0204080, Bibcode:2003A&G....44f..22N, doi:10.1046/j.1468-4004.2003.44622.x Torres, Diego F.; Romero, Gustavo E.; Barcons, Xavier;...
    66 KB (7,350 words) - 08:37, 19 August 2024
  • Thumbnail for Cosmic distance ladder
    285 kpc, today's value being 770 kpc.[citation needed] As detected thus far, NGC 3370, a spiral galaxy in the constellation Leo, contains the farthest Cepheids...
    54 KB (7,882 words) - 13:49, 26 April 2024
  • Thumbnail for Tabby's Star
    Cross. It is situated south of 31 Cygni, and northeast of the star cluster NGC 6866. While only a few arcminutes away from the cluster, it is unrelated...
    92 KB (8,406 words) - 16:00, 12 August 2024
  • Thumbnail for Margaret Murray Hanson
    American Astronomical Society Dickey, J. M., Hanson, M. M., & Helou, G. (1990). NGC 1058-Gas motions in an extended, quiescent spiral disk. Astrophysical Journal...
    6 KB (674 words) - 02:30, 4 April 2024
  • Thumbnail for Eta Carinae
    in other galaxies, for example the possible false supernova SN 1961V in NGC 1058 and SN 2006jc's pre-explosion outburst in UGC 4904. Following the Great...
    124 KB (14,885 words) - 02:25, 17 August 2024
  • Thumbnail for Pictor
    Pictoris system is estimated to lie around 1300 light-years distant from Earth. NGC 1705 is an irregular dwarf galaxy 17 million light-years from Earth. It is...
    39 KB (3,844 words) - 15:00, 17 August 2024
  • Thumbnail for OSO 7
    by the NRL instrument. Observations of the hard X-ray spectra of the AGN NGC 4151 and Cen A Position and spectral variability of the 14 May 1972 cosmic...
    12 KB (1,430 words) - 00:34, 26 February 2024
  • Thumbnail for V476 Cygni
    & Geophysics. 47 (1): 29–32. Bibcode:2006A&G....47a..29W. doi:10.1111/j.1468-4004.2006.47129.x. Beech, M. (1998). "The Makings of Meteor Astronomy: Part...
    8 KB (875 words) - 04:26, 17 July 2024
  • .96C. doi:10.3847/1538-3881/ac7cea. Chaturvedi, P.; et al. (2022), "TOI-1468: A system of two transiting planets, a super-Earth and a mini-Neptune, on...
    205 KB (6,617 words) - 03:29, 14 August 2024