NGC 3718

NGC 3718
NGC 3718 (left) with its companion, NGC 3729
Observation data (J2000.0 epoch)
ConstellationUrsa Major
Right ascension11h 32m 34.940s
Declination+53° 04′ 04.18″
Redshift0.003306
Distance47.84 ± 8.54 Mly (14.667 ± 2.618 Mpc)
Apparent magnitude (V)10.61
Characteristics
TypeSB(s)a pec
Size153.1 kly (46.93 kpc)
Apparent size (V)2.940′ × 2.352′
Other designations
Arp 214, UGC 6524, MCG+09-19-114, PGC 35616

NGC 3718, also called Arp 214, is a galaxy located approximately 52 million light years from Earth in the constellation Ursa Major. Near NGC 3718 is the galaxy NGC 3729, a peculiar barred spiral galaxy. It is either a lenticular or spiral galaxy.

NGC 3718 exhibits a warped, S-shape similar to NGC 6872, and has a prominent dust lane obscuring the central bulge. The innermost disc of gas follows the dust lane has a polar orbit around NGC 3718's center, making it a polar-ring galaxy. NGC 3718 is thought to represent an early stage in the evolution of polar-ring galaxies. The unique morphology may be a result of gravitational interaction with NGC 3729, another spiral galaxy located 150,000 light-years away.

The Hickson Compact Group 56 can be seen south of one of NGC 3718's spiral arms. HCG 56 is eight times farther away than NGC 3718 and NGC 3729.

NGC 3718 is a member of the Ursa Major Cluster.

Hickson Compact Group

South of NGC 3718 the Hickson Compact Group #56 is located. HCG 56 is a compact group of galaxies of which 4 members are interacting with each other. This group is about 120 Mpc distant to our galaxy, which is about 8 times more distant than NGC 3718. The edge on galaxy is not actually part of the group, but slightly farther back. The 4 merging galaxies are expected to merge into one big elliptical galaxy.

References

  1. 1 2 3 Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W.; Chester, Thomas; Elias, Jonathan H.; Huchra, John P.; Liebert, James W.; Lonsdale, Carol J.; Monet, David G.; Price, Stephan; Seitzer, Patrick; Jarrett, Thomas H.; Kirkpatrick, J. Davy; Gizis, John E.; Howard, Elizabeth V.; Evans, Tracey E.; Fowler, John W.; Fullmer, Linda; Hurt, Robert L.; Light, Robert M.; Kopan, Eugene L.; Marsh, Kenneth A.; McCallon, Howard L.; Tam, Robert; Van Dyk, Schuyler D.; Wheelock, Sherry L. (1 February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal. 131 (2): 1163–1183. Bibcode:2006AJ....131.1163S. doi:10.1086/498708. ISSN 0004-6256. S2CID 18913331.
  2. 1 2 3 4 "NGC 3718". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 8 December 2017.
  3. 1 2 "NED results for object NGC 3718". National Aeronautics and Space Administration / Infrared Processing and Analysis Center. Retrieved 8 December 2017.
  4. 1 2 Akhil, Krishna R.; Kartha, Sreeja S.; Krishnan, Ujjwal; Mathew, Blesson; Robin, Thomas; Ray, Shankar; Devaraj, Ashish (2025). "Connecting the dots: Tracing the evolutionary pathway of polar ring galaxies in the cases of NGC 3718, NGC 2685, and NGC 4262". Publications of the Astronomical Society of Australia. 42 e056. arXiv:2503.03709. Bibcode:2025PASA...42...56A. doi:10.1017/pasa.2025.24.
  5. ↑ Nemiroff, R.; Bonnell, J., eds. (31 August 2006). "Extra Galaxies". Astronomy Picture of the Day. NASA.
  6. ↑ "Best of AOP: NGC 3718". noao.edu. Archived from the original on 2015-05-24. Retrieved 2015-01-26.
  7. ↑ "NGC 3718, Spiral Galaxy". kopernik.org.
  8. ↑ "APOD: 2013 August 3 - Twisting with NGC 3718".
  9. ↑ Tully, R. Brent; Verheijen, Marc A. W.; Pierce, Michael J.; Huang, Jia-Sheng; Wainscoat, Richard J. (December 1996). "The Ursa Major Cluster of Galaxies.I.Cluster Definition and Photometric Data". The Astronomical Journal. 112: 2471. arXiv:astro-ph/9608124. Bibcode:1996AJ....112.2471T. doi:10.1086/118196. ISSN 0004-6256. S2CID 7875515.
  10. ↑ "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2023-08-06.