NGC_2655

NGC 2655

NGC 2655

Galaxy in the constellation Camelopardalis

NGC 2655 is a lenticular galaxy in the constellation Camelopardalis. It is at a distance of 60 million light years from Earth. NGC 2655 is a Seyfert galaxy. The galaxy has asymmetric dust lanes in the centre of the galaxy, tidal arms and extended neutral hydrogen gas and may have recently experienced a merger. The complex dynamics of the HI and optical tails suggest the galaxy may have undergone more mergers in the past. A weak bar has been detected in infrared H band. The diameter of the disk of the galaxy is estimated to be 60 Kpc (195,000 ly).[2]

Quick Facts Observation data (J2000 epoch), Constellation ...
NGC 2655 from Planewave CDK24 in Julian, CA

William Herschel discovered NGC 2655 in September 26, 1802 and described it as very bright and considerably large. The galaxy can be glimpsed with a 4-inch telescope under dark skies nearly 10° from the north celestial pole.[3] One supernova has been observed in NGC 2655, SN 2011B,[4] a type Ia with peak magnitude 12.8.[5]

NGC 2655 is the brightest member of the NGC 2655 group, which also contains the Sc galaxy NGC 2715, NGC 2591, and NGC 2748.[6][7] One of the gas structures of NGC 2655 is trailing off toward the small galaxy UGC 4714.[2]

References

  1. [1]
    "NASA/IPAC Extragalactic Database". Results for NGC 2655. Retrieved 2016-01-18.
  2. [2]
    Sparke, Linda S.; van Moorsel, Gustaaf; Erwin, Peter; Wehner, Elizabeth M. H. (January 2008). "NGC 2655: from Inner Polar Ring to Outer Shells and Tails". Astronomical Journal. 135 (1): 99–111. Bibcode:2008AJ....135...99S. doi:10.1088/0004-6256/135/1/99.
  3. [3]
    Stephen James O'Meara (2007). Deep-Sky Companions: Hidden Treasures. Cambridge University Press. p. 240. ISBN 9781139463737.
  4. [4]
    List of Supernovae IAU Central Bureau for Astronomical Telegrams. Retrieved 29 December 2015.
  5. [5]
    List of supernovae sorted by Magnitude for 2011
  6. [6]
    "A List of Nearby Galaxy Groups". Atlas of the Universe. Retrieved 2016-01-25.
  7. [7]
    Dmitry Makarov; Igor Karachentsev (2011). "Galaxy groups and clouds in the local (z~ 0.01) Universe". MNRAS. 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 1 January 2016.
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