• Thumbnail for NGC 3938
    NGC 3938 is an unbarred spiral galaxy in the Ursa Major constellation. It was discovered on 6 February 1788 by William Herschel. It is one of the brightest...
    6 KB (499 words) - 16:25, 17 August 2024
  • Thumbnail for NGC 3877
    NGC 3877 is a type Sc spiral galaxy that was discovered by William Herschel on February 5, 1788. It is located below the magnitude 3.7 star Chi Ursae...
    4 KB (262 words) - 22:26, 18 May 2023
  • Thumbnail for NGC 3593
    NGC 3593 is a lenticular galaxy located in the constellation Leo. It has a morphological classification of SA(s)0/a, which indicates it is a lenticular...
    8 KB (593 words) - 13:40, 6 September 2024
  • Thumbnail for NGC 3818
    NGC 3818 is an elliptical galaxy in the Constellation Virgo. It is at a distance of about 118 million light-years away from Earth. In the center of NGC...
    5 KB (309 words) - 03:43, 17 October 2023
  • Thumbnail for NGC 3949
    NGC 3949 is an unbarred spiral galaxy in the constellation Ursa Major, approximately 50 million light-years away from the Earth. It was discovered by...
    3 KB (211 words) - 14:22, 17 August 2024
  • Thumbnail for List of stars that have unusual dimming periods
    the flux?". Monthly Notices of the Royal Astronomical Society. 457 (4): 3988–4004. arXiv:1509.03622. Bibcode:2016MNRAS.457.3988B. doi:10.1093/mnras/stw218...
    25 KB (1,701 words) - 19:10, 19 August 2024
  • Thumbnail for Tabby's Star
    the flux?". Monthly Notices of the Royal Astronomical Society. 457 (4): 3988–4004. arXiv:1509.03622. Bibcode:2016MNRAS.457.3988B. doi:10.1093/mnras/stw218...
    106 KB (9,031 words) - 00:59, 13 September 2024
  • Thumbnail for NGC 3607
    NGC 3607 is a small but fairly bright lenticular galaxy in the equatorial constellation of Leo, about 2.5° south of the prominent star Delta Leonis. The...
    10 KB (703 words) - 12:19, 18 July 2024
  • Thumbnail for NGC 3599
    NGC 3599 is a lenticular galaxy located in the constellation Leo. It was discovered by William Herschel on March 14, 1784. The galaxy is located at a...
    8 KB (582 words) - 00:27, 25 August 2024
  • Thumbnail for NGC 3686
    NGC 3686 is a spiral galaxy that forms with three other spiral galaxies, NGCs 3681, 3684, and 3691, a quartet of galaxies in the Leo constellation. It...
    5 KB (360 words) - 12:32, 8 September 2023
  • McConnachie et al. 2008, ApJ 688 1009–1020, https://arxiv.org/abs/0806.3988 Archived 2017-12-01 at the Wayback Machine Martínez-Delgado, David; Karim...
    133 KB (6,767 words) - 19:35, 10 September 2024
  • Thumbnail for HR 5171
    distant supernova remnant G309.2-00.6 which overlaps it. The open cluster NGC 5281 lies 19' from HR 5171, projected against the supernova remnant but only...
    28 KB (3,352 words) - 23:56, 12 September 2024
  • binary; eclipsing binary, Vmax = 5.9m, Vmin = 6.3m, P = 13.41 d HD 4817 4817 3988 00h 51m 16.39s +61° 48′ 19.8″ 6.04 −3.37 2489 K5Ib variable star, ΔV = 0...
    53 KB (148 words) - 19:21, 28 July 2024
  • Thumbnail for Kepler space telescope
    the flux?". Monthly Notices of the Royal Astronomical Society. 457 (4): 3988–4004. arXiv:1509.03622. Bibcode:2016MNRAS.457.3988B. doi:10.1093/mnras/stw218...
    172 KB (16,217 words) - 12:17, 24 August 2024
  • 163607 c 2.287 1314.087 2.260 0.1222 2011 HD 217786 b 12.984 1318.823 2.371 0.3988 2010 HD 196885 Ab 2.585 1333.334 2.566 0.4619 2005 HD 47186 c 0.351 1353...
    36 KB (286 words) - 20:08, 22 December 2023