{{Short description|Galaxy in the constellation Centaurus}} {{Use dmy dates|date=December 2025}} {{Infobox Galaxy | name = [[New General Catalogue|NGC]] 5082 | image = NGC 5082 DSS.jpg | caption = NGC 5082 imaged by [[Digitized Sky Survey|DSS]] | alt = | epoch = [[J2000]] | constellation name = [[Centaurus]] | ra = {{RA|13|20|40.0345}}{{r|ned}} | dec = {{DEC|-43|41|59.799}}{{r|ned}} | z = {{val|0.012996|0.000140}}{{r|ned}} | h_radial_v = {{val|3896|42|u=km/s|fmt=commas}}{{r|ned}} | dist_ly = {{convert|46.900 ± 1.060|Mpc|Mly|abbr=on|lk=on|order=flip}}{{r|ned}} | group_cluster = NGC 5082 group (LGG 348) | type = SB0^0(rs){{r|ned}} | size = ~{{convert|34.42|kpc|ly|abbr=on|lk=on|order=flip}} (estimated){{r|ned}} | appmag_v = 13.75{{r|ned}} | size_v = {{Val|1.7|×|1.0|u=arcminute}}{{r|ned}} | notes = | names = {{odlist | 2MASX= J13204003-4341598 | name= ESO 269- G 089 | MCG= -07-27-053 | PGC= 46566}}{{r|ned}} }}
'''NGC 5082''' is a [[lenticular galaxy]] in the [[constellation]] of [[Centaurus]]. Its velocity with respect to the [[cosmic microwave background]] is {{val|4153|46|u=km/s|fmt=commas}}, which corresponds to a [[Hubble's law|Hubble distance]] of {{convert|61.25 ± 4.38|Mpc|Mly|abbr=on|lk=on|order=flip}}.{{r|ned}} However, three ''non-redshift'' measurements give a closer mean distance of {{convert|46.900 ± 1.060|Mpc|Mly|abbr=on|lk=off|order=flip}}.{{r|ned-distance}} It was discovered by British astronomer [[John Herschel]] on 3 June 1834.{{r|selig}}
NGC 5082 has a possible [[active galactic nucleus]], i.e. it has a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum, with characteristics indicating that this luminosity is not produced by the stars.{{r|AGN|SIMBAD}}
==NGC 5082 group== NGC 5082 is a member of a small [[galaxy group|group of galaxies]] named after it. The other two galaxies in the NGC 5082 group (also known as [[Lyons Groups of Galaxies|LGG]] 348) are {{ill|ESO 270-7|d|Q79932140}} and {{ill|ESO 270-14|d|Q79948183}}.{{r|garcia|LGG348}}
==Supernova== One [[supernova]] has been observed in NGC 5082: * '''SN 1958F''' (type unknown, mag. 16) was discovered by [[Milton L. Humason]] on 13 June 1958.{{r|PASP|TNS-1958F}}
== See also == * [[List of NGC objects (5001–6000)]]
==References== <references>
<ref name=ned>{{cite web | website = NASA/IPAC Extragalactic Database | publisher = [[NASA]] and [[California Institute of Technology|Caltech]] | title = Results for object NGC 5082 | url = https://ned.ipac.caltech.edu/byname?objname=NGC+5082 | access-date = 10 December 2025}}</ref>
<ref name=ned-distance>{{cite web | url = https://ned.ipac.caltech.edu/cgi-bin/nDistance?name=NGC+5082 | title = Distance Results for NGC 5082 | website = NASA/IPAC Extragalactic Database | publisher = [[NASA]] | access-date = 10 December 2025}}</ref>
<ref name=selig>{{cite web | url = https://cseligman.com/text/atlas/ngc50a.htm#5082 | title = New General Catalogue Objects: NGC 5082 | last = Seligman | first = Courtney | website = Celestial Atlas | access-date = 10 December 2025}}</ref>
<ref name=SIMBAD>{{cite simbad | title=NGC 5082 | access-date=10 December 2025}}</ref>
<ref name=AGN>{{cite journal|last1=Asmus |first1=D. |last2=Greenwell |first2=C. L. |last3=Gandhi |first3=P. |last4=Boorman |first4=P. G. |last5=Aird |first5=J. |last6=Alexander |first6=D. M. |last7=Assef |first7=R. J. |last8=Baldi |first8=R. D. |last9=Davies |first9=R. I. |last10=Hönig |first10=S. F. |last11=Ricci |first11=C. |last12=Rosario |first12=D. J. |last13=Salvato |first13=M. |last14=Shankar |first14=F. |last15=Stern |first15=D. |title=Local AGN survey (LASr): I. Galaxy sample, infrared colour selection, and predictions for AGN within 100 MPC |journal=Monthly Notices of the Royal Astronomical Society |date=2020 |volume=494 |issue=2 |page=1784 |doi=10.1093/mnras/staa766 |doi-access=free |arxiv=2003.05959 |bibcode=2020MNRAS.494.1784A}}</ref>
<ref name=garcia>{{cite journal | bibcode=1993A&AS..100...47G | title=General study of group membership. II. Determination of nearby groups | last1=Garcia | first1=A. M. | journal=Astronomy and Astrophysics Supplement Series | date=1993 | volume=100 | page=47}}</ref>
<ref name=LGG348>{{cite simbad | title=LGG 348 | access-date=10 December 2025}}</ref>
<ref name=PASP>{{cite journal |last1=Humason |first1=M. L. |last2=Gates |first2=H. S. |title=The 1959 Palomar Supernova Search |journal=Publications of the Astronomical Society of the Pacific |date=1960 |volume=72 |issue=426 |page=208 |doi=10.1086/127513 |bibcode=1960PASP...72..208H}}</ref>
<ref name=TNS-1958F>{{cite web | website=Transient Name Server | title= SN 1958F | url= https://www.wis-tns.org/object/1958F | publisher= [[International Astronomical Union|IAU]] | access-date= 10 December 2025}}</ref>
</references>
==External links== {{WikiSky}}
{{Sky|13|20|40.0345|-|43|41|59.799}} {{Centaurus}} {{ngc60}} {{Catalogs|NGC=5082}}
[[Category:NGC objects|5082]] [[Category:Principal Galaxies Catalogue objects|046566]] [[Category:MCG objects|-07-27-053]] [[Category:ESO objects|269- G 089]] [[Category:Centaurus]] [[Category:Lenticular galaxies]] [[Category:Astronomical objects discovered in 1834|18340603]] [[Category:Discoveries by John Herschel]]