NGC 3893

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NGC 3893
NGC3893 - SDSS DR14.jpg
NGC 3893 as seen by the SDSS
Observation data (J2000 epoch)
Constellation Ursa Major
Right ascension 11h 48m 38.2s [1]
Declination 48° 42′ 39″ [1]
Redshift 0.003226 ± 0.000003 [1]
Helio radial velocity 967 ± 1 km/s [1]
Distance 51.4 ± 10.4 Mly (15.8 ± 3.2 Mpc) [1]
Apparent magnitude  (V)10.2
Characteristics
Type SAB(rs)c [1]
Apparent size  (V)4.5′ × 2.8′ [1]
Other designations
UGC 6778, MCG +08-22-007, PGC 36875 [1]

NGC 3893 is a spiral galaxy located in the constellation Ursa Major. It is located at a distance of circa 50 million light years from Earth, which, given its apparent dimensions, means that NGC 3893 is about 70,000 light years across. It was discovered by William Herschel on February 9, 1788. [2] NGC 3893 interacts with its satellite, NGC 3896.

Contents

Characteristics

NGC 3893 is a grand design spiral galaxy. It has two main arms, with high surface brightness and numerous HII regions. [3] A faint spiral arm extends from the south to the north side making an arc on the east side of NGC 3893. [4] The galaxy is categorised as SAB in NED, but Hernández-Toledo and Puerari did not detect a bar in their observations. [5] The stellar disk of NGC 3893 is estimated to have a mass of 2.3x1010 M☉ and dominates gas dynamics in the optical radius. [6] The star formation rate in NGC 3893 is about 5.62 M☉/year. [7]

Nearby galaxies

NGC 3893 interacts with NGC 3896, a smaller galaxy lying at an angular distance of 3.9 arcminutes, and this results in a number of tidal features, like warps and bridges. A bridge of material is observed in HI imaging connecting the two galaxies. [8] A stellar debris bridge is observed at the south side, better seen in B-band images, suggesting it is composed of young stars. [4] The mass ratio between the two galaxies is about 0.025 - 0.031. [9]

NGC 3893 and its smaller companion NGC 3896 are members of the NGC 3877 group, [10] which belongs to the south Ursa Major groups, part of the Virgo Supercluster. [11] NGC 3906 lies 20 arcminutes to the southeast of NGC 3893. [4] Other galaxies in the same group are NGC 3726, NGC 3928, NGC 3949, NGC 3985, and NGC 4010. [10]

See also

Related Research Articles

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References

  1. 1 2 3 4 5 6 7 8 "NASA/IPAC Extragalactic Database". Results for NGC 3893. Retrieved 2016-01-18.
  2. ↑ Seligman, Courtney. "NGC 3893". Celestial Atlas. Retrieved 19 November 2018.
  3. ↑ Sandage, A., Bedke, J. (1994), The Carnegie Atlas of Galaxies. Volume I, Carnegie Institution of Washington
  4. 1 2 3 Gabbasov, R. F.; Rosado, M.; Klapp, J. (2 May 2014). "An interaction scenario of the galaxy pair NGC 3893/96 (KPG 302). A single passage?". The Astrophysical Journal. 787 (1): 39. arXiv: 1405.1446 . Bibcode:2014ApJ...787...39G. doi:10.1088/0004-637X/787/1/39. S2CID   118992651.
  5. ↑ Hernández-Toledo, H. M.; Puerari, I. (November 2001). "BVRI surface photometry of (S+S) binary galaxies". Astronomy & Astrophysics. 379 (1): 54–71. arXiv: astro-ph/0010531 . doi:10.1051/0004-6361:20011275. ISSN   0004-6361. S2CID   118914650.
  6. ↑ Kranz, Thilo; Slyz, Adrianne; Rix, Hans-Walter (20 March 2003). "Dark Matter within High Surface Brightness Spiral Galaxies". The Astrophysical Journal. 586 (1): 143–151. arXiv: astro-ph/0212290 . Bibcode:2003ApJ...586..143K. doi:10.1086/367551. S2CID   5228135.
  7. ↑ James, P. A.; Shane, N. S.; Beckman, J. E.; Cardwell, A.; Collins, C. A.; Etherton, J.; de Jong, R. S.; Fathi, K.; Knapen, J. H.; Peletier, R. F.; Percival, S. M.; Pollacco, D. L.; Seigar, M. S.; Stedman, S.; Steele, I. A. (12 January 2004). "The Hα galaxy survey". Astronomy & Astrophysics. 414 (1): 23–43. arXiv: astro-ph/0311030 . doi: 10.1051/0004-6361:20031568 .[ permanent dead link ]
  8. ↑ Verheijen, M. A. W.; Sancisi, R. (15 May 2001). "The Ursa Major cluster of galaxies". Astronomy & Astrophysics. 370 (3): 765–867. arXiv: astro-ph/0101404 . doi: 10.1051/0004-6361:20010090 .
  9. ↑ Fuentes-Carrera, I.; Rosado, M.; Amram, P.; Salo, H.; Laurikainen, E. (24 April 2007). "Kinematics and dynamics of the M 51-type galaxy pair NGC 3893/96 (KPG 302)". Astronomy & Astrophysics. 466 (3): 847–854. arXiv: astro-ph/0701878 . Bibcode:2007A&A...466..847F. doi:10.1051/0004-6361:20077071. S2CID   15806337.
  10. 1 2 Makarov, Dmitry; Karachentsev, Igor (21 April 2011). "Galaxy groups and clouds in the local (z~ 0.01) Universe". Monthly Notices of the Royal Astronomical Society. 412 (4): 2498–2520. arXiv: 1011.6277 . Bibcode:2011MNRAS.412.2498M. doi:10.1111/j.1365-2966.2010.18071.x. S2CID   119194025. Archived from the original on 31 January 2016. Retrieved 25 November 2018.
  11. ↑ "The Ursa Major Groups". www.atlasoftheuniverse.com.


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