{{Short description|Galaxy in the constellation Centaurus}} {{Infobox galaxy | name = NGC 5011 | image = File:Potw1253a.png | caption = [[Hubble Space Telescope|HST]] image of NGC 5011B (right) and NGC 5011C (left) | epoch = [[J2000]] | constellation name = [[Centaurus]] | ra = {{RA|13|12|51.848}}<ref name=2MASS>{{cite journal |doi=10.1086/498708 |last1=Skrutskie |first1=Michael F. |last2=Cutri |first2=Roc M. |last3=Stiening |first3=Rae |last4=Weinberg |first4=Martin D. |last5=Schneider |first5=Stephen E. |last6=Carpenter |first6=John M. |last7=Beichman |first7=Charles A. |last8=Capps |first8=Richard W. |last9=Chester |first9=Thomas |last10=Elias |first10=Jonathan H. |last11=Huchra |first11=John P. |last12=Liebert |first12=James W. |last13=Lonsdale |first13=Carol J. |last14=Monet |first14=David G. |last15=Price |first15=Stephan |last16=Seitzer |first16=Patrick |last17=Jarrett |first17=Thomas H. |last18=Kirkpatrick |first18=J. Davy |last19=Gizis |first19=John E. |last20=Howard |first20=Elizabeth V. |last21=Evans |first21=Tracey E. |last22=Fowler |first22=John W. |last23=Fullmer |first23=Linda |last24=Hurt |first24=Robert L. |last25=Light |first25=Robert M. |last26=Kopan |first26=Eugene L. |last27=Marsh |first27=Kenneth A. |last28=McCallon |first28=Howard L. |last29=Tam |first29=Robert |last30=Van Dyk |first30=Schuyler D. |last31=Wheelock |first31=Sherry L. |title=The Two Micron All Sky Survey (2MASS) |journal=The Astronomical Journal |date=1 February 2006 |volume=131 |issue=2 |pages=1163–1183 |bibcode=2006AJ....131.1163S |s2cid=18913331 |issn=0004-6256 |doi-access=free }}</ref> | dec = {{DEC|-43|05|46.25}}<ref name=2MASS/> | z = 0.010537<ref name=ned>{{cite web|url=http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+5011&extend=no&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=NED results for object NGC 5011|publisher=[[National Aeronautics and Space Administration]] / [[Infrared Processing and Analysis Center]]|access-date=6 September 2017}}</ref> | h_radial_v = 3159 km/s<ref name=ned/> | dist_ly = {{cvt|40.857|±|5.692|Mpc|Mly|lk=on|order=flip}}<ref name=ned/> | group_cluster = | type = E1-2<ref name=ned/> | size = {{cvt|28440|pc|ly|lk=on|order=flip}}<ref name=ned/><ref group=note name=A/> | appmag_v = 11.33<ref name=SIMBAD/> | appmag_b = 12.14<ref name=SIMBAD>{{cite simbad|title=NGC 5011|access-date=6 September 2017}}</ref> | absmag_v = | size_v = 1.763{{prime}} × 1.552{{prime}}<ref name=2MASS/><ref group=note name=A>2MASS K<sub>S</sub> values used.</ref> | notes = | names = [[Morphological Catalogue of Galaxies|MGC]]-07-27-042, [[Principal Galaxies Catalogue|PGC]] 45898<ref name=SIMBAD/> }} '''NGC 5011''' is an [[elliptical galaxy]] in the constellation of [[Centaurus]].<ref name=ned/> It was discovered on 3 June 1834 by [[John Herschel]].<ref name=cseligman>{{cite web|title=New General Catalog Objects: NGC 5000 - 5059|url=http://cseligman.com/text/atlas/ngc50.htm#5011|website=cseligman.com|access-date=6 September 2017}}</ref> It was described as "pretty bright, considerably small, round, among 4 stars" by [[John Louis Emil Dreyer]], the compiler of the [[New General Catalogue]].<ref name=cseligman/>

==Optical companions== Several galaxies are not physically associated with NGC 5011, but appear close to NGC 5011 in the night sky. PGC 45847 is a [[spiral galaxy]] that is also known as [[NGC 5011A]].<ref name=SimbadA>{{cite simbad|title=LEDA 45847|access-date=6 September 2017}}</ref> PGC 45918 is a [[lenticular galaxy]]<ref name=SimbadB>{{cite simbad|title=LEDA 45848|access-date=6 September 2017}}</ref> some 156 million light-years away from the Earth, in the [[Centaurus Cluster]], and is designated [[NGC 5011B]].<ref name=NASA/> PGC 45917 is a [[dwarf galaxy]], also designated [[NGC 5011C]].<ref name=SimbadC>{{cite simbad|title=LEDA 45917|access-date=6 September 2017}}</ref><ref name=NASA/> Although NGC 5011B and 5011C appear close together, they are no signs of them interacting.<ref name=NASA/> NGC 5011C is actually much closer and is in the [[Centaurus A/M83 Group]], at 13 million light years away.<ref name=NASA>{{cite web|url=http://www.spacetelescope.org/images/potw1253a/|title=Don't trust your eyes <nowiki>|</nowiki> ESA/Hubble|website=www.spacetelescope.org|date=2012|access-date=6 September 2017}}</ref>

==References== {{reflist}}

==Notes== {{reflist|group=note}}

==External links== * {{commonscat-inline}}

{{Ngc55}} {{Centaurus}}

{{DEFAULTSORT:NGC 5011}} [[Category:Elliptical galaxies]] [[Category:NGC objects|5011]] [[Category:Principal Galaxies Catalogue objects|045898]] [[Category:Centaurus]] [[Category:Astronomical objects discovered in 1834|18340603]]