| 词条 | NGC 4498 |
| 释义 |
| name = NGC 4498 | image = NGC 4498 hst 05446 606.png | image_size = 250px | caption = Hubble Space Telescope image of NGC 4498. | epoch = J2000 | type = SAB(s)d[1] | ra = {{RA|12|31|39.5}}[1] | dec = {{DEC|16|51|10}}[1] | dist_ly = 52,622,920ly[2] | group_cluster = Virgo Cluster | z = 0.005027/1507 km/s[1] | appmag_v = 12.79[1] | size_v = 3.0 x 1.6[1] | constellation name = Coma Berenices | names = PGC 41472, UGC 7669, VCC 1379[1] |size=~53,560 ly (estimated)[1] }}NGC 4498 is a barred spiral galaxy[3] located about 50 million light-years away[4] in the constellation Coma Berenices.[5] NGC 4498 was discovered by astronomer William Herschel on March 21, 1784.[6] NGC 4498 is a member of the Virgo Cluster.[7][8] See also
External links{{WikiSky}}References1. ^1 2 3 4 5 6 7 {{cite web | title=NASA/IPAC Extragalactic Database | work=Results for NGC 4498 | url=http://nedwww.ipac.caltech.edu/ | accessdate=2017-11-02}} {{Ngc45}}2. ^{{cite web| title = parsecs to lightyears conversion| url = http://www.unitconversion.org/length/parsecs-to-light-years-conversion.html| accessdate = 2017-09-30}} 3. ^{{cite journal | author=Binggeli, B. | author2=Sandage, A. | author3=Tammann, G. A. | date=1985 | title=Studies of the Virgo Cluster. II – A catalog of 2096 galaxies in the Virgo Cluster area | journal=Astronomical Journal | volume=90 | pages=1681–1759 | doi=10.1086/113874| bibcode=1985AJ.....90.1681B}} 4. ^{{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+4498&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES|title=Your NED Search Results|website=ned.ipac.caltech.edu|access-date=2017-11-03}} 5. ^{{Cite web|url=https://dso-browser.com/deep-sky/5547/ngc-4498/galaxy|title=Galaxy NGC 4498 - Barred Spiral Galaxy in Coma Berenices Constellation · Deep Sky Objects Browser|last=Rojas|first=Sebastián García|website=DSO Browser|language=en|access-date=2017-11-03}} 6. ^{{Cite web|url=http://cseligman.com/text/atlas/ngc44a.htm#4498|title=New General Catalog Objects: NGC 4450 - 4499|last=|first=|date=|website=cseligman.com|language=en-US|archive-url=|archive-date=|dead-url=|access-date=2017-10-27}} 7. ^{{Cite web|url=http://www.atlasoftheuniverse.com/galgrps/vir.html|title=The Virgo Cluster|website=www.atlasoftheuniverse.com|access-date=2017-10-31}} 8. ^{{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/NEDatt?objname=NGC+4498|title=Detailed Object Classifications|website=ned.ipac.caltech.edu|access-date=2017-11-04}} 8 : Coma Berenices (constellation)|Barred spiral galaxies|NGC objects|Principal Galaxies Catalogue objects|UGC objects|Astronomical objects discovered in 1784|Virgo Cluster|Discoveries by William Herschel |
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