Astronomy:NGC 4013

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NGC 4013
HST closeup view of NGC 4013
Observation data (J2000 epoch)
ConstellationUrsa Major
Right ascension 11h 58m 31.13s[1]
Declination+43° 56′ 50.1″[1]
Redshift831 ± 1 km/s[1]
Distance60.6 ± 8.1 Mly
(18.6 ± 2.5 Mpc)[2]
Apparent magnitude (V)12.1B[1]
Characteristics
TypeSBa[1]
Apparent size (V)5.2' x 1.0'[1]
Other designations
UGC 6963,[1] PGC 37691[1] LEDA 37691[3] 2MFGC 9412[3]

IRAS 11559+4413[3] 2MASX J11583141+4356492[3]

MCG+07-25-009[3] UZC J115831.5+435651[3]

NGC 4013 is an edge-on barred spiral galaxy about 55 million light-years away in the constellation Ursa Major. The disk of NGC 4013 shows a distinct "peanut"-shaped bulge in long exposure photographs that N-body computer simulations suggest is consistent with a stellar bar seen perpendicular to the line of sight.[4]

Infrared image of the galaxy showing a ring of heavy star formation

A recent deep color image of NGC 4013 revealed a looping tidal stream of stars extending over 80 thousand light-years from the Galactic Center. This structure is thought to be the remnants of a smaller galaxy that was torn apart by tidal forces as it collided with NGC 4013.[5]

Supernova SN 1989Z was discovered on December 30, 1989 at apparent magnitude 12.[6]

NGC 4013 is a member of the Ursa Major Cluster.[7] It is a member of the NGC 4111 Group,[8] which is part of the Ursa Major Cloud and is the second largest group in the cloud after the NGC 3992 Group.[9][10][11]

See also

  • Cigar Galaxy

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 "NASA/IPAC Extragalactic Database". Results for NGC 4013. http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+4013&img_stamp=yes&extend=no. 
  2. ↑ "Distance Results for NGC 4013". NASA/IPAC Extragalactic Database. http://nedwww.ipac.caltech.edu/cgi-bin/nDistance?name=NGC+4013. 
  3. ↑ 3.0 3.1 3.2 3.3 3.4 3.5 "SIMBAD". Results for NGC 4013. http://simbad.harvard.edu/simbad/sim-basic?Ident=NGC+4013&submit=SIMBAD+search. 
  4. ↑ Combes, F. and Sanders, R.H., "Formation and properties of persisting stellar bars", Astronomy and Astrophysics, vol. 96, no. 1-2, Mar. 1981, p. 164-173.
  5. ↑ D. Martínez-Delgado (IAC); M. Pohlen (Cardiff); R. Jay GaBany (Blackbird Obs); S. Majewski (Univ Virginia) et al. (2009). "Discovery of a Giant Stellar Tidal Stream Around the Disk Galaxy NGC 4013". Astrophysical Journal 692 (2): 955–963. doi:10.1088/0004-637X/692/2/955. Bibcode: 2009ApJ...692..955M. http://www.iop.org/EJ/abstract/0004-637X/692/2/955. 
  6. ↑ "List of Supernovae". Harvard-Smithsonian Center for Astrophysics (IAU). http://cbat.eps.harvard.edu/lists/Supernovae.html#1989Z. 
  7. ↑ Rueff, Katherine M.; Howk, J. Christopher; Pitterle, Marissa; Hirschauer, Alec S.; Fox, Andrew J.; Savage, Blair D. (2013-01-31). "The Relationship Between the Dense Neutral and Diffuse Ionized Gas in the Thick Disks of Two Edge-On Spiral Galaxies". The Astronomical Journal 145 (3): 62. doi:10.1088/0004-6256/145/3/62. ISSN 0004-6256. Bibcode: 2013AJ....145...62R. http://stacks.iop.org/1538-3881/145/i=3/a=62?key=crossref.4248e4d9cf6487e6f1fc7dd4df72a8c2. 
  8. ↑ 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. 
  9. ↑ 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. 
  10. ↑ Pak, Mina; Rey, Soo-Chang; Lisker, Thorsten; Lee, Youngdae; Kim, Suk; Sung, Eon-Chang; Jerjen, Helmut; Chung, Jiwon (2014-09-29). "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. http://academic.oup.com/mnras/article/445/1/630/986927/The-properties-of-earlytype-galaxies-in-the-Ursa. 
  11. ↑ Ai, Mei; Zhu, Ming; Yu, Nai-ping; Xu, Jin-long; Liu, Xiao-lan; Jing, Yingjie; Jiao, Qian; Liu, Yao et al. (2025-04-01). "Formation of the Dark Matter–Deficient S0 Galaxy NGC 4111 under the Tidal Interactions". The Astrophysical Journal Letters 982 (2): L52. doi:10.3847/2041-8213/adbeee. ISSN 2041-8205. Bibcode: 2025ApJ...982L..52A. 




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