NGC 4118

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NGC 4118
NGC4118 - SDSS DR14.jpg
SDSS image of NGC 4118.The galaxy at the top right is NGC 4117
Observation data (2000.0 epoch)
Constellation Ursa Major
Right ascension 12h 07m 52.9s [1]
Declination 43° 06′ 39″ [1]
Redshift 0.002126 [1]
Heliocentric radial velocity 637 km/s [1]
Distance 39  Mly (11.9  Mpc) [1]
Apparent magnitude  (V)15.6 [1]
Absolute magnitude  (B)-15.44 [1]
Characteristics
Type S0+ [1]
Size~8,100  ly (2.48  kpc) (estimated) [1]
Apparent size  (V)0.70 × 0.41 [1]
Other designations
CGCG 215-030, MCG +07-25-028, PGC 038507 [1]

NGC 4118 is a dwarf lenticular galaxy [2] located approximately 63 million light-years away [3] in the constellation Canes Venatici. It was discovered April 20, 1857 by R. J. Mitchell. [4] NGC 4118 is a star forming dwarf galaxy, [5] and is connected to the galaxy NGC 4111, along with the nearby NGC 4117, by disturbed H I from NGC 4111. [6]

Contents

NGC 4118 is a companion of the galaxy NGC 4117, [7] [8] with both galaxies being members of the NGC 4111 Group [9] [10] which is part of the Ursa Major Cloud. [11]

See also

References

  1. 1 2 3 4 5 6 7 8 9 10 11 "NASA/IPAC Extragalactic Database". Results for NGC 4118. Retrieved 2025-06-17.
  2. ↑ Pak, Mina; Rey, Soo-Chang; Lisker, Thorsten; Lee, Youngdae; Kim, Suk; Sung, Eon-Chang; Jerjen, Helmut; Chung, Jiwon (November 2014). "The properties of early-type galaxies in the Ursa Major cluster". Monthly Notices of the Royal Astronomical Society. 445 (1): 630–647. arXiv: 1409.3070 . Bibcode:2014MNRAS.445..630P. doi: 10.1093/mnras/stu1722 . ISSN   0035-8711.
  3. ↑ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2025-09-20.
  4. ↑ "New General Catalog Objects: NGC 4100 - 4149". cseligman.com. Retrieved 2025-06-18.
  5. ↑ Moran, Edward C.; Shahinyan, Karlen; Sugarman, Hannah R.; Vélez, Darik O.; Eracleous, Michael (December 2014). "Black Holes At the Centers of Nearby Dwarf Galaxies". The Astronomical Journal. 148 (6): 136. arXiv: 1408.4451 . Bibcode:2014AJ....148..136M. doi:10.1088/0004-6256/148/6/136. ISSN   0004-6256.
  6. ↑ Wolfinger, K.; Kilborn, V. A.; Koribalski, B. S.; Minchin, R. F.; Boyce, P. J.; Disney, M. J.; Lang, R. H.; Jordan, C. A. (2013-01-11). "A blind H i survey in the Ursa Major region★". Monthly Notices of the Royal Astronomical Society. 428 (2): 1790–1817. arXiv: 1210.2727 . doi: 10.1093/mnras/sts160 . ISSN   1365-2966.
  7. ↑ Wei, Lisa H.; Kannappan, Sheila J.; Vogel, Stuart N.; Baker, Andrew J. (January 2010). "Gas Mass Fractions and Star Formation in Blue-Sequence E/S0 Galaxies". The Astrophysical Journal. 708 (1): 841–861. arXiv: 0911.2248 . Bibcode:2010ApJ...708..841W. doi:10.1088/0004-637X/708/1/841. ISSN   0004-637X.
  8. ↑ "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2025-06-18.
  9. ↑ Makarov, Dmitry; Karachentsev, Igor (2011-04-21). "Galaxy groups and clouds in the local (z∼ 0.01) Universe: Galaxy groups in the local Universe". Monthly Notices of the Royal Astronomical Society. 412 (4): 2498–2520. arXiv: 1011.6277 . doi: 10.1111/j.1365-2966.2010.18071.x .
  10. ↑ Ai, Mei; Zhu, Ming; Yu, Nai-ping; Xu, Jin-long; Liu, Xiao-lan; Jing, Yingjie; Jiao, Qian; Liu, Yao; Zhang, Chuan-peng; Wang, Jie; Jiang, Peng (April 2025). "Formation of the Dark Matter–Deficient S0 Galaxy NGC 4111 under the Tidal Interactions". The Astrophysical Journal. 982 (2): L52. Bibcode:2025ApJ...982L..52A. doi: 10.3847/2041-8213/adbeee . ISSN   0004-637X.
  11. ↑ Karachentsev, I. D.; Nasonova, O. G.; Courtois, H. M. (2013-03-01). "Anatomy of Ursa Majoris". Monthly Notices of the Royal Astronomical Society. 429 (3): 2264–2273. arXiv: 1211.5975 . doi: 10.1093/mnras/sts494 . ISSN   1365-2966.
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