Astronomy:NGC 4118

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NGC 4118
SDSS image of NGC 4118.The galaxy at the top right is NGC 4117
Observation data (2000.0 epoch)
ConstellationUrsa Major
Right ascension 12h 07m 52.9s[1]
Declination43° 06′ 39″[1]
Redshift0.002126[1]
Helio radial velocity637 km/s[1]
Distance39 Mly (11.9 Mpc)[1]
Apparent magnitude (V)15.6[1]
Absolute magnitude (B)-15.44[1]
Characteristics
TypeS0+[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]

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. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 "NASA/IPAC Extragalactic Database". Results for NGC 4118. http://nedwww.ipac.caltech.edu/. 
  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" (in en). Monthly Notices of the Royal Astronomical Society 445 (1): 630–647. doi:10.1093/mnras/stu1722. ISSN 0035-8711. Bibcode: 2014MNRAS.445..630P. 
  3. ↑ "Your NED Search Results". https://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+4118&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES. 
  4. ↑ "New General Catalog Objects: NGC 4100 - 4149". https://cseligman.com/text/atlas/ngc41.htm#4118. 
  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" (in en). The Astronomical Journal 148 (6): 136. doi:10.1088/0004-6256/148/6/136. ISSN 0004-6256. Bibcode: 2014AJ....148..136M. https://ui.adsabs.harvard.edu/abs/2014AJ....148..136M/abstract. 
  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★" (in en). Monthly Notices of the Royal Astronomical Society 428 (2): 1790–1817. doi:10.1093/mnras/sts160. ISSN 1365-2966. http://academic.oup.com/mnras/article/428/2/1790/1010487/A-blind-Hi-survey-in-the-Ursa-Major-region. 
  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" (in en). The Astrophysical Journal 708 (1): 841–861. doi:10.1088/0004-637X/708/1/841. ISSN 0004-637X. Bibcode: 2010ApJ...708..841W. https://ui.adsabs.harvard.edu/abs/2010ApJ...708..841W/abstract. 
  8. ↑ "Detailed Object Classifications". https://ned.ipac.caltech.edu/cgi-bin/NEDatt?objname=NGC+4118. 
  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" (in en). Monthly Notices of the Royal Astronomical Society 412 (4): 2498–2520. 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 et al. (April 2025). "Formation of the Dark Matter–Deficient S0 Galaxy NGC 4111 under the Tidal Interactions" (in en). The Astrophysical Journal 982 (2): L52. doi:10.3847/2041-8213/adbeee. ISSN 0004-637X. Bibcode: 2025ApJ...982L..52A. 
  11. ↑ Karachentsev, I. D.; Nasonova, O. G.; Courtois, H. M. (2013-03-01). "Anatomy of Ursa Majoris" (in en). Monthly Notices of the Royal Astronomical Society 429 (3): 2264–2273. doi:10.1093/mnras/sts494. ISSN 1365-2966. http://academic.oup.com/mnras/article/429/3/2264/1004796/Anatomy-of-Ursa-Majoris. 



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