astro.wikisort.org - GalaxyMessier 59 or M59, also known as NGC 4621, is an elliptical galaxy in the equatorial constellation of Virgo. It is a member of the Virgo Cluster, with the nearest fellow member 8′ away and around 5 magnitudes fainter. The nearest cluster member of comparable brightness is the lenticular galaxy NGC 4638, which is around 17′ away.[10] It and the angularly nearby elliptical galaxy Messier 60 were both discovered by Johann Gottfried Koehler in April 1779 when observing comet seeming close by. Charles Messier listed both in the Messier Catalogue about three days after Koehler's discovery.[11]
Elliptical galaxy in the constellation Virgo
This is an elliptical galaxy of type E5[7] with a position angle of 163.3°,[8] indicating the overall shape shows a flattening of 50%.[12] However, isophotes for this galaxy deviate from a perfect ellipticity, showing pointed shapes instead. These can be decomposed mathematically into a three component model, with each part having a different eccentricity. The main elliptical component appears to be superimposed upon a flatter, disk-like feature, with the entirety embedded within a circular halo. The luminosity contribution of the components is 62% for the pure elliptical part, 22% for the halo, and the remainder coming from the disk. The light ratio of the disk to the main elliptical body is 0.25, whereas it is typically closer to 0.5 in a lenticular galaxy.[10][13]
The core contains a supermassive black hole (SMBH), with a mass that has been estimated to be 270 million times the mass of the Sun,[14] and counter-rotates with respect of the rest of the galaxy, being bluer.[15] The SMBH is quiescent, but is detectable as an X-ray and radio source that indicates an outflow.[14] The nucleus contains an embedded stellar disk that is bluer (younger) than the bulge region, with a blue component stretching along a position angle of around 150°. This extended disk feature may be the result of a galactic merger followed by a starburst event.[13]
Messier 59 is very rich in globular clusters, with a population of them that has been estimated to be around 2,200.[16] It has two satellites, the ultra compact dwarf galaxy M59-UCD3[17] and M59cO, which is a rare example of a galaxy in between compact ellipticals such as Messier 32 and ultra compact dwarfs.[18]
One supernova (1939B) has been recorded in M59; it reached a peak magnitude of 11.9.[19] The region where this supernova occurred shows no trace of star formation, which suggests this was a type Ia supernova.[20]
See also
References
- "Bucking the trend". www.spacetelescope.org. Retrieved 27 May 2019.
- R. W. Sinnott, ed. (1988). The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer. Sky Publishing Corporation / Cambridge University Press. ISBN 978-0-933346-51-2.
- 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: 1163–1183. doi:10.1086/498708. ISSN 0004-6256.
- "NASA/IPAC Extragalactic Database". Results for NGC 4621. Retrieved 2006-11-18.
- Tully, R. Brent; et al. (August 2016), "Cosmicflows-3", The Astronomical Journal, 152 (2): 21, arXiv:1605.01765, Bibcode:2016AJ....152...50T, doi:10.3847/0004-6256/152/2/50, 50.
- "Messier 59". SEDS Messier Catalog. Retrieved 29 April 2022.
- King, I. R.; Minkowski, R. (March 1966), "Some Properties of Elliptical Galaxies", Astrophysical Journal, 143: 1002, Bibcode:1966ApJ...143.1002K, doi:10.1086/148580.
- Long, R. J.; Mao, Shude (April 2012), "Made-to-measure galaxy models - II. Elliptical and lenticular galaxies", Monthly Notices of the Royal Astronomical Society, 421 (3): 2580–2592, arXiv:1201.0951, Bibcode:2012MNRAS.421.2580L, doi:10.1111/j.1365-2966.2012.20488.x, S2CID 118553296.
- "M 59". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2006-11-16.
- Mizuno, Takao; Oikawa, Ken-Ichi (1996). "Two-Dimensional Decomposition of a Disky Elliptical Galaxy, NGC 4621". Publications of the Astronomical Society of Japan. 48 (4): 591–600. Bibcode:1996PASJ...48..591M. doi:10.1093/pasj/48.4.591.
- K. G. Jones (1991). Messier's Nebulae and Star Clusters (2nd ed.). Cambridge University Press. ISBN 978-0-521-37079-0.
- Van den Bergh, Sidney (1998), Galaxy Morphology and Classification, Cambridge University Press, p. 47, ISBN 978-0521623353
- Krajnović, D.; Jaffe, W. (2004). "HST observations of nuclear stellar disks". Astronomy & Astrophysics. 428 (3): 877–890. arXiv:astro-ph/0409061. Bibcode:2004A&A...428..877K. doi:10.1051/0004-6361:20040359. S2CID 5237432.
- Wrobel, J. M.; et al. (March 2008). "Outflow-dominated Emission from the Quiescent Massive Black Holes in NGC 4621 and NGC 4697". The Astrophysical Journal. 675 (2): 1041–1047. arXiv:0712.1308. Bibcode:2008ApJ...675.1041W. doi:10.1086/527542. S2CID 119208491.
- Wernli, F.; et al. (2002). "A 60 pc counter-rotating core in NGC 4621". Astronomy & Astrophysics. 396: 73–81. arXiv:astro-ph/0209361. Bibcode:2002A&A...396...73W. doi:10.1051/0004-6361:20021333. S2CID 18545003.
- Harris, William E. (1991). "Globular Cluster Systems in Galaxies Beyond the Local Group". Annual Review of Astronomy and Astrophysics. 29: 543–579. Bibcode:1991ARA&A..29..543H. doi:10.1146/annurev.aa.29.090191.002551. Retrieved 2012-07-21.
- Sandoval, Michael A.; et al. (23 July 2015). "Hiding in plain sight: record-breaking compact stellar systems in the Sloan Digital Sky Survey". The Astrophysical Journal. 808 (1): L32. arXiv:1506.08828. Bibcode:2015ApJ...808L..32S. doi:10.1088/2041-8205/808/1/L32. S2CID 55254708.
- Chilingarian, Igor; Mamon, Gary A. (March 2008). "SDSSJ124155.33+114003.7 - a missing link between compact elliptical and ultracompact dwarf galaxies". Monthly Notices of the Royal Astronomical Society. 385 (1): L83–L87. arXiv:0712.2724. Bibcode:2008MNRAS.385L..83C. doi:10.1111/j.1745-3933.2008.00438.x. S2CID 119282741.
- "List of Supernovae". IAU Central Bureau for Astronomical Telegrams.
- Perets, Hagai B.; et al. (April 2011), "An Emerging Class of Bright, Fast-evolving Supernovae with Low-mass Ejecta", The Astrophysical Journal, 730 (2): 7, arXiv:1008.2754, Bibcode:2011ApJ...730...89P, doi:10.1088/0004-637X/730/2/89, S2CID 118665635, 89.
External links
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Messier 59.
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- A1689-zD1
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На других языках
[de] Messier 59
Messier 59 (auch als NGC 4621 bezeichnet) ist eine 9,7 mag helle elliptische Galaxie mit einer Flächenausdehnung von 5′,4 × 3′,7 im Sternbild Jungfrau.
- [en] Messier 59
[es] Galaxia elíptica M59
La Galaxia elíptica M59 (también conocida como Objeto Messier 59, Messier 59, M59 o NGC 4621) es una galaxia elíptica -considerada, sin embargo, por algunos autores cómo galaxia lenticular[1]- de la constelación de Virgo. Fue descubierta por Johann Gottfried Koehler en 1779.
[ru] M 59 (галактика)
M 59 (Messier 59, Мессье 59, другие обозначения — NGC 4621, UGC 7858, MCG 2-32-183, ZWG 70.223, VCC 1903, PGC 42628) — эллиптическая галактика в созвездии Дева.
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