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  • 21 Aug, 2019

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NGC 4216
NGC 4216 is a metal-rich intermediate spiral galaxy located not far from the center of the Virgo Cluster of galaxies, roughly 55 million light-years away. It was discovered by German-British astronomer William Herschel on 17 April 1784.

Physical characteristics

Seen nearly edge-on, NGC 4216 is one of the largest and brightest spiral galaxies of the Virgo Cluster, with an absolute magnitude that has been estimated to be −22 (i.e.: brighter than the Andromeda Galaxy), and like most spiral galaxies of this cluster shows a deficiency of neutral hydrogen that is concentrated within the galaxy's optical disk and has a low surface density for a galaxy of its type. This explains why NGC 4216 is considered an anemic galaxy by some authors, also with a low star formation activity for a galaxy of its type. In fact, the galaxy's disk shows pillar-like structures that may have been caused by interactions with the intracluster medium of Virgo and/or with nearby galaxies.

In NGC 4216's halo, besides a rich system of globular clusters estimated to number around 700 (nearly five times more than the Milky Way), two stellar streams that are interpreted as two satellite galaxies being disrupted and absorbed by this galaxy are present.

NGC 4216 with SN 2024gy

NGC 4216 seems to be in a place of the Virgo cluster where dwarf galaxies are being destroyed/accreted at a high rate, with it suffering many interactions with these type of galaxies.

One supernova has been observed in NGC 4216: SN 2024gy (type Ia, mag. 16.3) was discovered by Kōichi Itagaki on 4 January 2024.

NGC 4216, along with NGC 4206, NGC 4222, and IC 771, are listed together as Holm 353 in Erik Holmberg's A Study of Double and Multiple Galaxies Together with Inquiries into some General Metagalactic Problems, published in 1937.

See also

References

  1. ^ "Results for object NGC 4216". NASA/IPAC Extragalactic Database. Retrieved 2006-11-25.
  2. ^ O'Meara, Stephen James (2007). Deep-Sky Companions: Hidden Treasures. Cambridge University Press. pp. 299–302. ISBN 9780521837040.
  3. ^ Seligman, Courtney. "New General Catalogue Objects: NGC 4216". Celestial Atlas. Retrieved 17 December 2024.
  4. ^ "Globular Cluster Systems in Galaxies Beyond the Local Grup". NASA-IPAC Extragalactic Database (NED). Retrieved 2012-07-21.
  5. ^ Chung, A.; Van Gorkom, J.H.; Kenney, J.F.P.; Crowl, Hugh; Vollmer, B. (2009). "VLA Imaging of Virgo Spirals in Atomic Gas (VIVA). I. The Atlas and the H I Properties". The Astronomical Journal. 138 (6): 1741–1816. Bibcode:2009AJ....138.1741C. doi:10.1088/0004-6256/138/6/1741.
  6. ^ Vollmer, B.; Soida, M.; Beck, R.; Chung, A.; Urbanik, M.; Chyży, K. T.; Otmianowska-Mazur, K.; Kenney, J. D. P. (2013). "Large-scale radio continuum properties of 19 Virgo cluster galaxies. The influence of tidal interactions, ram pressure stripping, and accreting gas envelopes". Astronomy & Astrophysics. 553: 1741–1816. arXiv:1304.1279. Bibcode:2013A&A...553A.116V. doi:10.1051/0004-6361/201321163. S2CID 119190841. A116.
  7. ^ "Stellar Tidal Streams in Spiral Galaxies of the Local Volume". Retrieved 2012-07-21.
  8. ^ Paudel, Sanjaya; Duc, Pierre-Alain; Côté, Patrick; Cuillandre, Jean-Charles; et al. (2013). "The Next Generation Virgo Cluster Survey. IV. NGC 4216: A Bombarded Spiral in the Virgo Cluster". Astrophysical Journal. 767 (2): 133. arXiv:1302.6611. Bibcode:2013ApJ...767..133P. doi:10.1088/0004-637X/767/2/133. S2CID 118421922. 133.
  9. ^ "SN 2024gy". Transient Name Server. IAU. Retrieved 17 December 2024.
  10. ^ Holmberg, Erik (1937). "A Study of Double and Multiple Galaxies Together with Inquiries into some General Metagalactic Problems". Annals of the Observatory of Lund. 6: 1. Bibcode:1937AnLun...6....1H.
  • Media related to NGC 4216 at Wikimedia Commons
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