| 词条 | IC 2955 |
| 释义 |
| name = IC 2955 | image = |caption= SDSS image of IC 2955. The halo of NGC 3862 can be seen at the bottom left of the image. | constellation name = Leo | epoch = J2000 | type = E[1] | ra = {{RA|11|45|03.9}}[1] | dec = {{DEC|19|37|14}}[1] | dist_ly = {{convert|91.2|Mpc|Mly|abbr=on|lk=on|order=flip}} | z = 0.021718[1] |h_radial_v = 6511 km/s[1] | group_cluster = Leo Cluster | appmag_v = 15.05[1] | size_v = 0.2 x 0.2[1] |size=~{{convert|21|kpc|ly|abbr=on|lk=on|order=flip}} (estimated)[1] | names = ARAK 318, CGCG 97-128, MCG 3-30-96, PGC 36603[1] }}IC 2955 is an elliptical[2][3] or a lenticular galaxy[4][3] located about 300 million light-years away[2] in the constellation Leo.[5] It was discovered by astronomer Guillaume Bigourdan on March 28, 1886.[6] It is a member of the Leo Cluster[7][8] and is a companion of NGC 3862.[4] See also
References1. ^1 2 3 4 5 6 7 8 {{cite web | title=NASA/IPAC Extragalactic Database | work=Results for IC 2955 | url=http://nedwww.ipac.caltech.edu/ | accessdate=2018-10-13}} 2. ^1 {{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=IC+2955&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=2018-10-13}} 3. ^1 {{Cite web|url=http://leda.univ-lyon1.fr/ledacat.cgi?PGC+036603++++++++++++++++++++|title=HyperLeda -object description|website=leda.univ-lyon1.fr|access-date=2018-10-13}} 4. ^1 {{Cite journal|last=Kleijn|first=Gijs A. Verdoes|last2=Baum|first2=Stefi A.|last3=Zeeuw|first3=P. Tim de|last4=O'Dea|first4=Chris P.|date=1999|title=Hubble Space Telescope Observations of Nearby Radio-Loud Early-Type Galaxies|url=http://stacks.iop.org/1538-3881/118/i=6/a=2592|journal=The Astronomical Journal|language=en|volume=118|issue=6|pages=2592|doi=10.1086/301135|issn=1538-3881}} 5. ^{{Cite web|url=http://spider.seds.org/ngc/revngcic.cgi?IC2955|title=Revised IC Data for IC 2955|website=spider.seds.org|access-date=2018-10-13}} 6. ^{{Cite web|url=https://cseligman.com/text/atlas/ic29a.htm#ic2955|title=Index Catalog Objects: IC 2950 - 2999|website=cseligman.com|language=en-US|access-date=2018-10-13}} 7. ^{{Cite news|url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=IC+2955&NbIdent=query_hlinks&Coord=11+45+03.856+19+37+13.98&parents=6&submit=parents&hlinksdisplay=h_all|title=IC 2955|access-date=2018-10-13}} 8. ^{{Cite web|url=http://leda.univ-lyon1.fr/fG.cgi?n=a104&o=IC2955|title=Hierarchy catalogue|website=leda.univ-lyon1.fr|access-date=2018-10-13}} External links{{WikiSky}} 7 : IC objects|Principal Galaxies Catalogue objects|Leo (constellation)|Leo Cluster|Astronomical objects discovered in 1886|Lenticular galaxies|Elliptical galaxies |
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