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NGC 4323

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NGC 4323
M100（中央）與附近的星系，左側偏上方的暗黃色星系即為NGC 4523
观测资料（J2000 曆元）
星座后髮座[1]
赤经12h 23m 01.7s[2]
赤纬15° 54′ 20″[2]
紅移0.006182[2]
徑向速度869 km/s[2]
距离52.5[3] Mly
属于室女座星系團
视星等 (V)15.1g[2]
特征
类型SB0^0(r), dE[2]
质量1.7×109[4] M☉
大小~23,000 ly（7 kpc） (estimated)[5]
角直徑 (V)0.953′ × 0.610′[6]
其他名称
PGC 40171、VCC 608、MCG +03-32-016[2]
參見：星系、星系列表

NGC 4323是位於后髮座中，距離約5,250萬光年遠的一個透鏡或矮橢圓星系[7]。這個星系是天文學家威廉·坦普爾在1882年發現的[8]，是室女座星系團的成員之一[9]。

與M100的交互作用

NGC 4323 是M100的同伴[10][11][12][13][14][15][16][17][18][19][20]，它位於 78,000 ly（24 kpc）之遙[19][15][11]。這兩個星系似乎是交互作用星系[18][17][20][13]，M100的旋轉曲線，其電離氫區的不對稱就是證據之一[18][17]，並且有一個暗淡的光橋連接它與NGC 4323 [18][20][13][15][14][12]。然而，因為NGC 4323僅是一個小星系，與M100又有很大的距離相隔著，Knapen等人認為這兩個星系沒有交互作用[17]。

相關條目

參考資料

  1. ^ Dreyer, J. L. E. Sinnott, R. W. , 编. The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters. Sky Publishing Corporation and Cambridge University Press. 1988. ISBN 978-0-933346-51-2. 
  2. ^ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 NASA/IPAC Extragalactic Database. Results for NGC 4306. [2019-08-11]. （原始内容存档于2011-05-14）. 
  3. ^ Rand, Richard J.; Wallin, John F. Pattern Speeds BIMA-SONG Galaxies with Molecule-Dominated ISMs Using the Tremaine-Weinberg Method. The Astrophysical Journal. 2004, 614: 142–157. Bibcode:2004ApJ...614..142R. arXiv:astro-ph/0406426 可免费查阅. doi:10.1086/423423. 
  4. ^ Conselice, Christopher J.; O'Neil, Karen; Gallagher, John S.; Wyse, Rosemary F. G. Galaxy Populations and Evolution in Clusters. IV. Deep H I Observations of Dwarf Elliptical Galaxies in the Virgo Cluster. The Astrophysical Journal. 2003-07-01, 591: 167–184 [2019-11-01]. ISSN 0004-637X. doi:10.1086/375216. （原始内容存档于2019-10-12）. 
  5. ^ Koleva, Mina; Bouchard, Antoine; Prugniel, Philippe; De Rijcke, Sven; Vauglin, Isabelle. The transmutation of dwarf galaxies: stellar populations. Monthly Notices of the Royal Astronomical Society. 2013-02-01, 428: 2949–2965 [2019-11-01]. ISSN 0035-8711. doi:10.1093/mnras/sts238. （原始内容存档于2019-10-12）. 
  6. ^ Skrutskie, M. F.; et al, The Two Micron All Sky Survey (2MASS), The Astronomical Journal, February 2006, 131 (2): 1163–1183, Bibcode:2006AJ....131.1163S, doi:10.1086/498708. 
  7. ^ Your NED Search Results. ned.ipac.caltech.edu. [2017-08-28]. （原始内容存档于2019-12-07）. 
  8. ^ New General Catalog Objects: NGC 4300 - 4349. cseligman.com. [2017-08-28]. （原始内容存档于2018-10-18） （美国英语）. 
  9. ^ Detailed Object Classifications. ned.ipac.caltech.edu. [2017-08-28]. （原始内容存档于2019-12-07）. 
  10. ^ Pan, Hsi-An; Kuno, Nario. Variation in GMC Association Properties across the Bars, Spiral Arms, Inter-arms, and Circumnuclear Region of M100 (NGC 4321) Extracted from ALMA Observations. The Astrophysical Journal. April 2017, 839 (2): 133. ISSN 0004-637X. doi:10.3847/1538-4357/aa60c2 （英语）. 
  11. ^ 11.0 11.1 Kendall, S.; Kennicutt, R. C.; Clarke, C. Spiral structure in nearby galaxies - I. Sample, data analysis and overview of results: Spiral structure in nearby galaxies - I. Monthly Notices of the Royal Astronomical Society. 2011-06-11, 414 (1): 538–564. doi:10.1111/j.1365-2966.2011.18422.x （英语）. 
  12. ^ 12.0 12.1 Weżgowiec, M.; Urbanik, M.; Beck, R.; Chyży, K. T.; Soida, M. The magnetic fields of large Virgo cluster spirals. II. Astronomy & Astrophysics. September 2012, 545: A69. ISSN 0004-6361. doi:10.1051/0004-6361/201218871. 
  13. ^ 13.0 13.1 13.2 Wilson, C. D.; Warren, B. E.; Israel, F. P.; Serjeant, S.; Bendo, G.; Brinks, E.; Clements, D.; Courteau, S.; Irwin, J.; Knapen, J. H.; Leech, J. THE JAMES CLERK MAXWELL TELESCOPE NEARBY GALAXIES LEGACY SURVEY. I. STAR-FORMING MOLECULAR GAS IN VIRGO CLUSTER SPIRAL GALAXIES. The Astrophysical Journal. 2009-03-10, 693 (2): 1736–1748. ISSN 0004-637X. doi:10.1088/0004-637X/693/2/1736. 
  14. ^ 14.0 14.1 Elmegreen, Debra Meloy; Elmegreen, Bruce G.; Yau, Andrew; Athanassoula, E.; Bosma, Albert; Buta, Ronald J.; Helou, George; Ho, Luis C.; Gadotti, Dimitri A.; Knapen, Johan H.; Laurikainen, Eija. GRAND DESIGN AND FLOCCULENT SPIRALS IN THE SPITZER SURVEY OF STELLAR STRUCTURE IN GALAXIES (S 4 G). The Astrophysical Journal. 2011-08-10, 737 (1): 32. ISSN 0004-637X. doi:10.1088/0004-637X/737/1/32. 
  15. ^ 15.0 15.1 15.2 Chung, Aeree; van Gorkom, J. H.; Kenney, Jeffrey D. P.; Crowl, Hugh; Vollmer, Bernd. VLA IMAGING OF VIRGO SPIRALS IN ATOMIC GAS (VIVA). I. THE ATLAS AND THE H I PROPERTIES. The Astronomical Journal. 2009-12-01, 138 (6): 1741–1816. ISSN 0004-6256. doi:10.1088/0004-6256/138/6/1741. 
  16. ^ Egusa, Fumi; Kohno, Kotaro; Sofue, Yoshiaki; Nakanishi, Hiroyuki; Komugi, Shinya. DETERMINING STAR FORMATION TIMESCALE AND PATTERN SPEED IN NEARBY SPIRAL GALAXIES. The Astrophysical Journal. 2009-06-01, 697 (2): 1870–1891. ISSN 0004-637X. doi:10.1088/0004-637X/697/2/1870. 
  17. ^ 17.0 17.1 17.2 17.3 Knapen, J. H.; Beckman, J. E.; Heller, C. H.; Shlosman, I.; de Jong, R. S. The Central Region in M100: Observations and Modeling. The Astrophysical Journal. December 1995, 454: 623 [2019-11-01]. ISSN 0004-637X. doi:10.1086/176516. （原始内容存档于2019-08-30） （英语）. 
  18. ^ 18.0 18.1 18.2 18.3 Knapen, Johan H.; Cepa, Jordi; Beckman, John E.; Soledad del Rio, M.; Pedlar, Alan. Star Formation in the Spiral Arms of NGC 4321. II. H i Distribution and Kinematics. The Astrophysical Journal. October 1993, 416: 563 [2019-11-01]. ISSN 0004-637X. doi:10.1086/173258. （原始内容存档于2019-10-10） （英语）. 
  19. ^ 19.0 19.1 Hernandez, Olivier; Wozniak, Herve; Carignan, Claude; Amram, Philippe; Chemin, Laurent; Daigle, Olivier. On the Relevance of the Tremaine‐Weinberg Method Applied to an Hα Velocity Field: Pattern Speed Determination in M100 (NGC 4321). The Astrophysical Journal. 2005-10-10, 632 (1): 253–265. ISSN 0004-637X. doi:10.1086/431964 （英语）. 
  20. ^ 20.0 20.1 20.2 del Rio, M. S.; Cepa, J. The nature of arms in spiral galaxies. III. Azimuthal profiles. Astronomy and Astrophysics. 1998-12-01, 340: 1–20 [2019-11-01]. ISSN 0004-6361. （原始内容存档于2019-10-12）. 

外部連結

维基共享资源上的相关多媒体资源：NGC 4323


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