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NGC 7606

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Galaxy in the constellation Aquarius
NGC 7606
NGC 7606 by Adam Block/Mount Lemmon SkyCenter
Observation data (J2000 epoch)
ConstellationAquarius
Right ascension23 19 04.8
Declination−08° 29′ 06″
Redshift0.007442 ± 0.000017
Heliocentric radial velocity2231 ± 5 km/s
Distance98.5 ± 18.8 Mly (30.2 ± 5.8 Mpc)
Apparent magnitude (V)10.8
Characteristics
TypeSA(s)b
Apparent size (V)5′.4 × 2′.2
Other designations
MCG -02-59-012, PGC 71047

NGC 7606 is a spiral galaxy located in the constellation Aquarius. It is located at a distance of circa 100 million light years from Earth, which, given its apparent dimensions, means that NGC 7606 is about 165,000 light years across. It was discovered by William Herschel on September 28, 1785. The galaxy is included in the Herschel 400 Catalogue. It lies 45 arcminutes northeast from psi2 Aquarii. It can be seen with a 4 inch telescope but its visibility is greatly affected by light pollution.

Characteristics

NGC 7606 is a spiral galaxy seen on inclination. It has a bright nucleus surrounded by a prominent bulge, which is seen elliptical due to the inclination. No bar has been observed. A ring with an apparent diameter of 0.85 arcminutes has been detected at the central part of the galaxy. The galaxy features two main arms, that can be traced for nearly 360°, and several arm fragments. The arms are smooth and rather tight, although not as tightly wound as the ones of NGC 488. Few bright spots have been observed in the arms. The galaxy is found to host a supermassive black hole, whose mass based on bulge velocity dispersion σ is estimated to be 15-22 million M☉. NGC 7606 is an isolated galaxy.

Supernovae

Two supernovae have been observed in NGC 7606:

  • SN 1965M (type unknown, mag. 16) was discovered by Paul Wild on 4 October 1965.
  • SN 1987N (type Ia, mag. 13.8) was discovered by Robert Evans on 14 December 1987.

Gallery

References

  1. ^ "NASA/IPAC Extragalactic Database". Results for NGC 7606. Retrieved 2016-01-18.
  2. ^ "Revised NGC Data for NGC 7606". spider.seds.org. Retrieved 25 November 2018.
  3. Seligman, Courtney. "NGC 7606 (= PGC 71047)". Celestial Atlas. Retrieved 19 November 2018.
  4. O'Meara, Steve (2007). Steve O'Meara's Herschel 400 observing guide : how to find and explore 400 star clusters, nebulae, and galaxies discovered by William and Caroline Herschel. Cambridge: Cambridge university press. p. 285. ISBN 978-0521858939.
  5. ^ Eskridge, Paul B.; Frogel, Jay A.; Pogge, Richard W.; Quillen, Alice C.; Berlind, Andreas A.; Davies, Roger L.; DePoy, D. L.; Gilbert, Karoline M.; Houdashelt, Mark L.; Kuchinski, Leslie E.; Ramirez, Solange V.; Sellgren, K.; Stutz, Amelia; Terndrup, Donald M.; Tiede, Glenn P. (November 2002). "Near-Infrared and Optical Morphology of Spiral Galaxies". The Astrophysical Journal Supplement Series. 143 (1): 73–111. arXiv:astro-ph/0206320. Bibcode:2002ApJS..143...73E. doi:10.1086/342340. S2CID 15491635.
  6. Comerón, S.; Salo, H.; Laurikainen, E.; Knapen, J. H.; Buta, R. J.; Herrera-Endoqui, M.; Laine, J.; Holwerda, B. W.; Sheth, K.; Regan, M. W.; Hinz, J. L.; Muñoz-Mateos, J. C.; Gil de Paz, A.; Menéndez-Delmestre, K.; Seibert, M.; Mizusawa, T.; Kim, T.; Erroz-Ferrer, S.; Gadotti, D. A.; Athanassoula, E.; Bosma, A.; Ho, L. C. (19 February 2014). "ARRAKIS: atlas of resonance rings as known in the S4G". Astronomy & Astrophysics. 562: A121. arXiv:1312.0866. Bibcode:2014A&A...562A.121C. doi:10.1051/0004-6361/201321633. S2CID 119295831.
  7. Sandage, A., Bedke, J. (1994), The Carnegie Atlas of Galaxies. Volume I, Carnegie Institution of Washington
  8. Ferrarese, Laura (10 October 2002). "Beyond the Bulge: A Fundamental Relation between Supermassive Black Holes and Dark Matter Halos". The Astrophysical Journal. 578 (1): 90–97. arXiv:astro-ph/0203469. Bibcode:2002ApJ...578...90F. doi:10.1086/342308. S2CID 17064543.
  9. Berrier, Joel C.; Davis, Benjamin L.; Kennefick, Daniel; Kennefick, Julia D.; Seigar, Marc S.; Barrows, Robert Scott; Hartley, Matthew; Shields, Doug; Bentz, Misty C.; Lacy, Claud H. S. (14 May 2013). "Further Evidence for a Supermassive Black Hole Mass-Pitch Angle Relation". The Astrophysical Journal. 769 (2): 132. arXiv:1304.4937. Bibcode:2013ApJ...769..132B. doi:10.1088/0004-637X/769/2/132. S2CID 118572496.
  10. 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.
  11. Gingerich, Owen (1 November 1965). "Circular No. 1934". Central Bureau for Astronomical Telegrams. Smithsonian Astrophysical Observatory. Retrieved 1 December 2024.
  12. "SN 1965M". Transient Name Server. IAU. Retrieved 1 December 2024.
  13. McNaught, R. H.; Evans, R.; Cragg, T.; Lee, S.; MacKie, G. (1987). "Supernova 1987N in NGC 7606". International Astronomical Union Circular (4511): 1. Bibcode:1987IAUC.4511....1M.
  14. "SN 1987N". Transient Name Server. IAU. Retrieved 1 December 2024.
  15. List of Supernovae IAU Central Bureau for Astronomical Telegrams. Retrieved 29 December 2015.

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