{{Short description|Group of galaxies in the constellation of Coma Berenices}} {{Galaxy cluster | name = NGC 4065 Group | image = File:SDSS NGC 4065 Group.jpeg | caption = [[Sloan Digital Sky Survey|SDSS]] image of the NGC 4065 Group. The two subclusters surrounding the galaxy pair [[NGC 4061]] and [[NGC 4065]] (lower right) and [[NGC 4095]] (upper left) can be seen. | epoch=[[J2000]] | ra = {{RA|12|04|09.5}}<ref name=":0" /><ref name=":1" /> | dec = {{DEC|20|13|18}}<ref name=":0" /><ref name=":1" /> | constellation = [[Coma Berenices]] | member_no = 74<ref name=":2" /><ref name=":3">{{Cite journal|last1=Freeland|first1=E.|last2=Stilp|first2=A.|last3=Wilcots|first3=E.|date=2009-07-01|title=H I Observations of Five Groups of Galaxies|journal=The Astronomical Journal|volume=138|issue=1|pages=295–304|doi=10.1088/0004-6256/138/1/295|issn=0004-6256|arxiv=0905.3907|bibcode=2009AJ....138..295F|s2cid=15714969}}</ref><ref name=":4">{{Cite journal|last1=Mahdavi|first1=Andisheh|last2=Geller|first2=Margaret J.|date=2004-05-01|title=A Redshift Survey of Nearby Galaxy Groups: The Shape of the Mass Density Profile|journal=The Astrophysical Journal|volume=607|issue=1|pages=202–219|doi=10.1086/383458|arxiv=astro-ph/0402161|bibcode=2004ApJ...607..202M|issn=0004-637X|doi-access=free}}</ref> | redshift = 0.023500 (7045 km/s)<ref name=":0" /> | velocity_dispersion = 416 ± 35 km/s<ref name=":2" /><ref name=":3" /><ref name=":4" /> | luminosity = {{val|0.05|e=42.64}} [[erg]]/s<ref name=":3" /><ref>{{Cite journal|last1=Osmond|first1=John P. F.|last2=Ponman|first2=Trevor J.|date=June 2004|title=The GEMS project: X-ray analysis and statistical properties of the group sample|journal=Monthly Notices of the Royal Astronomical Society|volume=350|issue=4|pages=1511–1535|doi=10.1111/j.1365-2966.2004.07742.x|doi-access=free |arxiv=astro-ph/0402439|bibcode=2004MNRAS.350.1511O|s2cid=18337755}}</ref> | distance = {{convert|100|Mpc|Mly|1|abbr=on|lk=on}}<ref name=":0" /><ref name=":2" /> | brightest_member = [[NGC 4065]] | other_names = GH 98,<ref name=":1" /><ref name=":2" /><ref name=":3" /><ref name=":8" /><ref name=":9" /> N79-299a, N79-299b,<ref name=":0" /><ref name=":1" /><ref name=":8" /><ref name=":9" /><ref name=":10">{{Cite journal|last1=Ledlow|first1=Michael J.|last2=Loken|first2=Chris|last3=Burns|first3=Jack O.|last4=Hill|first4=John M.|last5=White|first5=Richard A.|date=1996-08-01|title=Redshift and Optical Properties for S Statistically Complete Sample of Poor Galaxy Clusters|journal=The Astronomical Journal|volume=112|pages=388|doi=10.1086/118023|issn=0004-6256|arxiv=astro-ph/9607012|bibcode=1996AJ....112..388L}}</ref> WBL 374,<ref name=":9" /><ref name=":6" /> ZW 1202.0+2028,<ref name=":9" /><ref name=":10" /> USGC U451,<ref name=":3" /><ref>{{Cite web|url=https://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=WBL+374&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=2019-02-20}}</ref><ref>{{Cite journal|last1=Ramella|first1=Massimo|last2=Geller|first2=Margaret J.|last3=Pisani|first3=Armando|last4=da Costa|first4=Luiz N.|date=2002-06-01|title=The UZC-SSRS2 Group Catalog|journal=The Astronomical Journal|volume=123|issue=6|pages=2976–2984|doi=10.1086/340357|arxiv=astro-ph/0202326|bibcode=2002AJ....123.2976R|issn=0004-6256|doi-access=free}}</ref> NRGb 177,<ref name=":4" /><ref>{{Cite web|url=https://egg.astro.cornell.edu/alfalfa/ugradteam/ALFALFA2010Workshop.pdf|title=ALFALFA: The Arecibo Legacy Fast ALFA Survey The 2010 January Undergraduate Workshop|last=|first=|date=11–13 January 2010|website=Undergraduate ALFALFA Workshop|access-date=}}</ref> RASSCALS NRGb 177<ref name=":2" /><ref name=":3" /><ref>{{Cite web|url=https://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NRGb+177&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=2019-02-20}}</ref> }}
The '''NGC 4065 Group''' is a [[Galaxy group|group of galaxies]]<ref name=":0">{{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+4065+Group&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=2019-02-15}}</ref><ref name=":1">{{Cite web|url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC+4065+GROUP&QueryType=ned|title=NGC 4065 GROUP|last=|first=|date=|website=sim-id|access-date=2019-02-17}}</ref><ref name=":2" /><ref name="Gregory1978">{{Cite journal|last1=Gregory|first1=S. A.|last2=Thompson|first2=L. A.|date=June 1978|title=The Coma/A1367 supercluster and its environs|journal=The Astrophysical Journal|language=en|volume=222|pages=784|doi=10.1086/156198|bibcode=1978ApJ...222..784G|issn=0004-637X|url=http://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1092&context=physicsfacpub|url-access=subscription}}</ref> located about {{convert|100|Mpc|Mly|abbr=on|lk=on|order=flip}}<ref name=":0" /><ref name=":2">{{Cite journal|last1=Freeland|first1=E.|last2=Sengupta|first2=C.|last3=Croston|first3=J. H.|date=2010-12-01|title=Quantifying the importance of ram-pressure stripping in a galaxy group at 100 Mpc|journal=Monthly Notices of the Royal Astronomical Society|volume=409|issue=4|pages=1518–1524|doi=10.1111/j.1365-2966.2010.17379.x|arxiv=1007.3286|bibcode=2010MNRAS.409.1518F|issn=0035-8711|doi-access=free}}</ref> in the [[constellation]] [[Coma Berenices]].<ref name=":6">{{Cite web|url=https://www.webbdeepsky.com/galaxies/2018/galaxy/april|title=Webb Deep-Sky Society: Galaxy of the Month for April 2018|website=www.webbdeepsky.com|access-date=2019-02-16}}</ref><ref>{{Cite web|url=http://www.kopernik.org/images/archive/n4065.htm|title=NGC 4065 Galaxy Group|website=www.kopernik.org|access-date=2019-02-16}}</ref> The group's brightest member is [[NGC 4065]]<ref name=":3" /><ref name="Gregory1978"/><ref name=":7">{{Cite journal|last1=Venkatesan|first1=T. C. A.|last2=Batuski|first2=David J.|last3=Hanisch|first3=Robert J.|last4=Burns|first4=Jack O.|date=1994-11-01|title=Why do head-tail sources exist in poor clusters of galaxies?|journal=The Astrophysical Journal|volume=436|pages=67–78|doi=10.1086/174881|bibcode=1994ApJ...436...67V|issn=0004-637X|doi-access=free}}</ref><ref>{{Cite web|url=https://www.astronomy-mall.com/Adventures.In.Deep.Space/NGC%204000%20-%204999%20(11-30-17).htm|title=Astronomy-Mall: Adventures In Deep Space NGC objects 4001-4999|last=Gottlieb|first=Steve|date=|website=Astronomy-Mall|access-date=2019-02-02}}</ref> and located in the [[Coma Supercluster]].<ref name=":2" /><ref name=":8">{{Cite journal|last1=Burns|first1=Jack O.|last2=Hanisch|first2=Robert J.|last3=White|first3=Richard A.|last4=Nelson|first4=Eric R.|last5=Morrisette|first5=Kim A.|last6=Moody|first6=J. Ward|date=1987-09-01|title=A VLA 20 CM survey of poor groups of galaxies|journal=The Astronomical Journal|volume=94|pages=587–617|doi=10.1086/114494|bibcode=1987AJ.....94..587B|issn=0004-6256}}</ref><ref name="Gregory1978"/><ref name=":5">{{Cite journal|last1=Tifft|first1=W. G.|last2=Gregory|first2=S. A.|date=1979-07-01|title=Band theory applied to the Coma/A1367 supercluster|journal=The Astrophysical Journal|volume=231|pages=23–27|doi=10.1086/157158|bibcode=1979ApJ...231...23T|issn=0004-637X}}</ref><ref>{{Cite journal|last1=Chincarini|first1=G. L.|last2=Giovanelli|first2=R.|last3=Haynes|first3=M. P.|date=1983-05-01|title=The geometry of two superclusters Coma-A1367 and Perseus-Pisces|journal=Astronomy and Astrophysics|volume=121|pages=5–9|bibcode=1983A&A...121....5C|issn=0004-6361}}</ref><ref>{{Cite journal|last1=Jaffe|first1=W.|last2=Gavazzi|first2=G.|last3=Valentijn|first3=E.|date=1986-02-01|title=Radio continuum survey of the Coma/A1367 supercluster. I - 610 MHz observations of CGCG galaxies in four groups|journal=The Astronomical Journal|volume=91|pages=199–203|doi=10.1086/114000|bibcode=1986AJ.....91..199J|issn=0004-6256|url=https://pure.rug.nl/ws/files/979626594/1986AJ.....91..199J }}</ref><ref>{{Cite journal|last1=Galli|first1=R.|last2=Carrasco|first2=L.|last3=Gavazzi|first3=G.|date=1999-04-01|title=The 3-D structure of the Coma–A 1367 supercluster: Optical spectroscopy of 102 galaxies|url=https://aas.aanda.org/articles/aas/abs/1999/08/ds1602/ds1602.html|journal=Astronomy and Astrophysics Supplement Series|language=en|volume=136|issue=2|pages=227–235|doi=10.1051/aas:1999209|bibcode=1999A&AS..136..227G|issn=0365-0138|doi-access=free}}</ref><ref>{{Cite journal|last1=Gavazzi|first1=Giuseppe|last2=Fumagalli|first2=Mattia|last3=Cucciati|first3=Olga|last4=Boselli|first4=Alessandro|date=July 2010|title=A snapshot on galaxy evolution occurring in the Great Wall: the role of Nurture at z=0|journal=Astronomy and Astrophysics|volume=517|pages=A73|doi=10.1051/0004-6361/201014153|arxiv=1003.3795|bibcode=2010A&A...517A..73G|issn=0004-6361|doi-access=free}}</ref>
The group is dominated by mostly [[Elliptical galaxy|elliptical galaxies]]<ref name=":6" /><ref name=":5" /> with only 15 to 31 percent of the members being [[Spiral galaxy|spiral galaxies]].<ref name=":3" /><ref name="Gregory1978"/>
==X-ray emission== The NGC 4065 Group exhibits bimodal X-ray emission with one peak on the galaxies [[NGC 4061]] and [[NGC 4065]] and the other on [[NGC 4066]].<ref name=":3" />
== Structure == The NGC 4065 Group appears to consist of two subgroups known as UZC-CG 156 and UZC-CG 157<ref name=":2" /><ref name=":3" /> which are indistinguishable by velocity.<ref name=":2" /> However, White et al. suggests that the group contains three subgroups<ref name=":9">{{Cite journal|last1=White|first1=Richard A.|last2=Bliton|first2=Mark|last3=Bhavsar|first3=Suketu P.|last4=Bornmann|first4=Patricia|last5=Burns|first5=Jack O.|last6=Ledlow|first6=Michael J.|last7=Loken|first7=Christen|date=1999-11-01|title=A Catalog of Nearby Poor Clusters of Galaxies|journal=The Astronomical Journal|volume=118|issue=5|pages=2014–2037|doi=10.1086/301103|arxiv=astro-ph/9907283|bibcode=1999AJ....118.2014W|issn=0004-6256|doi-access=free}}</ref> with subgroups A and C<ref name=":9" /> being centered on [[NGC 4065]] and [[NGC 4095]] respectively,<ref name=":6" /> and subgroup B which consists of the galaxies [[NGC 4086]] and [[NGC 4090]].<ref name=":9" />
At the center of the group lie the [[Elliptical galaxy|elliptical galaxies]] [[NGC 4061]] and [[NGC 4065]].<ref name=":3" />
==Nearby groups== The NGC 4065 Group is located near the [[Leo Cluster]]<ref name=":2" /><ref name="Gregory1978"/> and is part of a bridge of galaxies that connects the [[Leo Cluster]] to the [[Coma Cluster]].<ref name="Gregory1978"/><ref name=":7" /><ref>{{Cite journal|last1=Doe|first1=Stephen M.|last2=Ledlow|first2=Michael J.|last3=Burns|first3=Jack O.|last4=White|first4=Richard A.|date=July 1995|title=ROSAT Observations of Five Poor Galaxy Clusters with Extended Radio Sources|journal=The Astronomical Journal|volume=110|pages=46|doi=10.1086/117496|bibcode=1995AJ....110...46D|doi-access=free}}</ref>
==See also== * [[NGC 4065]] * [[Leo Cluster]] * [[Coma Cluster]] * [[List of galaxy groups and clusters|List of Galaxy Groups]]
==References== {{Reflist}}
==External links== *[https://www.webbdeepsky.com/images/galaxies/ngc4065/ngc4065_ms_finder.pdf Finding Chart for the NGC 4065 Group]
[[Category:NGC 4065 Group| ]] [[Category:Coma Supercluster]] [[Category:Coma Berenices]] [[Category:Galaxy clusters]]