Galaxy in the Virgo constellation
NGC 4458 is anelliptical galaxy located about 54 millionlight-years away[ 3] [ 4] in theconstellation ofVirgo .[ 5] It was discovered by astronomerWilliam Herschel on April 12, 1784.[ 6] NGC 4458 is a member ofMarkarian's Chain which is part of theVirgo Cluster .[ 7] It is in a pair with the galaxyNGC 4461 .[ 8] NGC 4458 andNGC 4461 are interacting with each other.[ 9]
NGC 4458 may have asupermassive black hole with an estimated mass of 200 million Suns ( 2× 108 M☉ ).[ 2]
NGC 4458 has an edge-on nuclear disk which is estimated to be about 6 billion years old.[ 10] The disk likely formed from the merger of a gas-rich galaxy and has been found to have "similar properties to the decoupled cores of bright ellipticals".[ 11] [ 12]
Counter-rotating core [ edit ] Using Hubble images, it has been determined that NGC 4458 has a counter-rotating core.[ 9]
NGC 4458 has a low metal content but has an overabundance of the elementiron .[ 9]
^a b c d e f g h "NASA/IPAC Extragalactic Database" .Results for NGC 4458 . Retrieved2017-08-06 .^a b Pechetti, Renuka; Seth, Anil; Cappellari, Michele; McDermid, Richard; Brok, Mark den; Mieske, Steffen; Strader, Jay (2017-11-13)."Detection of Enhanced Central Mass-to-light Ratios in Low-mass Early-type Galaxies: Evidence for Black Holes?" .The Astrophysical Journal .850 (1): 15.arXiv :1709.09172 .Bibcode :2017ApJ...850...15P .doi :10.3847/1538-4357/aa9021 .ISSN 1538-4357 .S2CID 119357906 . ^ Tomita, Akihiko; Aoki, Kentaro; Watanabe, Masaru; Takata, Tadafumi; Ichikawa, Shin-ichi (29 March 2000). "The Central Gas Systems of Early-Type Galaxies Traced by Dust Feature: Based on the HST WFPC2 Archival Images".The Astronomical Journal .120 (1): 18.arXiv :astro-ph/0003431 .Bibcode :2000AJ....120..123T .CiteSeerX 10.1.1.258.1582 .doi :10.1086/301440 .S2CID 9684945 . ^ "Your NED Search Results" .ned.ipac.caltech.edu . Retrieved2017-08-09 .^ "NGC 4458 in the Virgo cluster of galaxies" .www.spacetelescope.org . Retrieved2017-08-06 .^ "New General Catalog Objects: NGC 4450 - 4499" .cseligman.com . Retrieved2017-08-01 .^ Markarian, B.E. (December 1961)."Physical chain of galaxies in the Virgo cluster and its dynamic instability" (PDF) .Astronomical Journal .66 :555– 557.Bibcode :1961AJ.....66..555M . ^ "NGC 4458" .SIMBAD .Centre de données astronomiques de Strasbourg . Retrieved2017-08-09 .^a b c Morelli, L.; Halliday, C.; Corsini, E. M.; Pizzella, A.; Thomas, D.; Saglia, R. P.; Davies, R. L.; Bender, R.; Birkinshaw, M.; Bertola, F. (19 July 2004)."Nuclear stellar discs in low-luminosity elliptical galaxies: NGC 4458 and 4478" (PDF) .Monthly Notices of the Royal Astronomical Society .354 (3):753– 762.arXiv :astro-ph/0408084 .Bibcode :2004MNRAS.354..753M .doi :10.1111/j.1365-2966.2004.08236.x .S2CID 13933949 . ^ Sarzi, M.; Ledo, H. R.; Coccato, L.; Corsini, E. M.; Dotti, M.; Khochfar, S.; Maraston, C.; Morelli, L.; Pizzella, A. (13 January 2016)."Nuclear discs as clocks for the assembly history of early-type galaxies: the case of NGC 4458" .Monthly Notices of the Royal Astronomical Society .457 (2):1804– 1812.arXiv :1601.03292 .Bibcode :2016MNRAS.457.1804S .doi :10.1093/mnras/stw099 .S2CID 55627361 . ^ Morelli, L.; Cesetti, M.; Corsini, E. M.; Pizzella, A.; Bonta`, E. Dalla; Sarzi, M.; Bertola, F. (20 May 2010). "Multiband photometric decomposition of nuclear stellar disks".Astronomy & Astrophysics .518 : A32.arXiv :1004.2190 .Bibcode :2010A&A...518A..32M .doi :10.1051/0004-6361/201014285 .S2CID 16619922 . ^ L. Morelli, C. Halliday, E. M. Corsini, A. Pizzella, D. Thomas, R. P. Saglia, R. L. Davies, R. Bender, M. Birkinshaw, F. Bertola, Nuclear stellar discs in low-luminosity elliptical galaxies: NGC 4458 and 4478, Monthly Notices of the Royal Astronomical Society, Volume 354, Issue 3, November 2004, Pages 753–762,doi :10.1111/j.1365-2966.2004.08236.x Wikimedia Commons has media related to
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