| 词条 | NGC 4503 |
| 释义 |
| name = NGC 4503 | image = SDSS NGC 4503.jpg | image_size = 250px | caption = SDSS image of NGC 4503. | epoch = J2000 | type = SB0^-[1] | ra = {{RA|12|32|06.2}}[1] | dec = {{DEC|11|10|35}}[1] | dist_ly = 41.5/74 Mly[2] | group_cluster = Virgo Cluster | z = 0.004450/1334 km/s[1] | appmag_v = 12.05[1] | size_v = 3.5 x 1.7[1] | constellation name = Virgo | names = CGCG 70-149, MCG 2-32-118, PGC 41538, UGC 7680, VCC 1412[1] |size=~{{convert|13.14|kpc|ly|abbr=on|lk=on|order=flip}} (estimated)[1] }}NGC 4503 is a barred lenticular galaxy located around 41 to 74 million light-years away[3] in the constellation Virgo.[4] NGC 4503 was discovered by astronomer William Herschel on March 15, 1784.[5] NGC 4503 is a member of the Virgo Cluster.[6][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 4503 | url=http://nedwww.ipac.caltech.edu/ | accessdate=2017-11-07}} {{Ngc50}}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 web|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+4503&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=2017-11-08}} 4. ^{{Cite web|url=https://dso-browser.com/deep-sky/5552/ngc-4503/galaxy|title=Galaxy NGC 4503 - Barred Lenticular Galaxy in Virgo Constellation · Deep Sky Objects Browser|last=Rojas|first=Sebastián García|website=DSO Browser|language=en|access-date=2017-11-08}} 5. ^{{Cite web|url=http://cseligman.com/text/atlas/ngc45.htm#4503|title=New General Catalog Objects: NGC 4500 - 4549|website=cseligman.com|access-date=2017-11-08}} 6. ^{{Cite web|url=http://www.atlasoftheuniverse.com/galgrps/vir.html|title=The Virgo Cluster|website=www.atlasoftheuniverse.com|access-date=2017-10-31}} 7. ^{{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/NEDatt?objname=NGC+4503|title=Detailed Object Classifications|website=ned.ipac.caltech.edu|access-date=2017-11-08}} 8. ^{{Cite web|url=http://www.messier.seds.org/more/virgo_pix.html|title=The Virgo Cluster of Galaxies|last=McArthur|first=Hartmut Frommert, Christine Kronberg, Guy|website=www.messier.seds.org|access-date=2017-11-08}} 8 : Virgo (constellation)|Barred lenticular galaxies|NGC objects|Principal Galaxies Catalogue objects|UGC objects|Astronomical objects discovered in 1784|Virgo Cluster|Discoveries by William Herschel |
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