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词条 NGC 4065 Group
释义

  1. X-ray emission

  2. Structure

  3. Nearby groups

  4. See also

  5. References

  6. External links

{{Galaxy cluster
| name = NGC 4065 Group
| image = File:SDSS NGC 4065 Group.jpeg
| image_size = 300px
| caption = 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}}[1][2]
| dec = {{DEC|20|13|18}}[1][2]
| constellation = Coma Berenices
| member_no = 74[5][1][2]
| redshift = 0.023500 (7045 km/s)[1]
| velocity_dispersion = 416 ± 35 km/s[5][1][2]
| luminosity = {{val|0.05|e=42.64}} erg/s[3][1]
| distance = {{convert|100|Mpc|Mly|1|abbr=on|lk=on}}[5][1]
| brightest_member = NGC 4065
| other_names = GH 98,[2][17][18][5][1] N79-299a, N79-299b,[17][4][18][1][2] WBL 374,[26][18] ZW 1202.0+2028,[4][18] USGC U451,[5][6][1] NRGb 177,[7][2] RASSCALS NRGb 177[5][1][8]
}}

The NGC 4065 Group is a group of galaxies[9][10][5][11] located about {{convert|100|Mpc|Mly|abbr=on|lk=on|order=flip}}[12][9] in the constellation Coma Berenices.[13][14] The group's brightest member is NGC 4065[11][15][16][1] and located in the Coma Supercluster.[11][17][18][19][20][21][12][22]

The group is dominated by mostly elliptical galaxies[13][17] with only 15 to 31 percent of the members being spiral galaxies.[11][1]

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.[1]

Structure

The NGC 4065 Group appears to consist of two subgroups known as UZC-CG 156 and UZC-CG 157[12][1] which are indistinguishable by velocity.[12]

However, White et al. suggests that the group contains three subgroups[23] with subgroups A and C[23] being centered on NGC 4065 and NGC 4095 respectively,[13] and subgroup B which consists of the galaxies NGC 4086 and NGC 4090.[23]

At the center of the group lie the elliptical galaxies NGC 4061 and NGC 4065.[1]

Nearby groups

The NGC 4065 Group is located near the Leo Cluster[12][11] and is part of a bridge of galaxies that connects the Leo Cluster to the Coma Cluster.[11][15][24]

See also

  • NGC 4065
  • Leo Cluster
  • Coma Cluster
  • List of Galaxy Groups

References

1. ^1 2 3 4 5 6 7 8 9 10 {{Cite journal|last=Freeland|first=E.|last2=Stilp|first2=A.|last3=Wilcots|first3=E.|date=2009-07-01|title=H I Observations of Five Groups of Galaxies|url=http://adsabs.harvard.edu/abs/2009AJ....138..295F|journal=The Astronomical Journal|volume=138|pages=295–304|doi=10.1088/0004-6256/138/1/295|issn=0004-6256}}
2. ^1 2 {{Cite journal|last=Mahdavi|first=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|url=http://adsabs.harvard.edu/abs/2004ApJ...607..202M|journal=The Astrophysical Journal|volume=607|pages=202–219|doi=10.1086/383458|issn=0004-637X}}
3. ^{{Cite journal|last=Osmond|first=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|url=http://arxiv.org/abs/astro-ph/0402439|journal=Monthly Notices of the Royal Astronomical Society|volume=350|issue=4|pages=1511–1535|doi=10.1111/j.1365-2966.2004.07742.x|via=}}
4. ^1 {{Cite journal|last=Ledlow|first=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|url=http://adsabs.harvard.edu/abs/1996AJ....112..388L|journal=The Astronomical Journal|volume=112|pages=388|doi=10.1086/118023|issn=0004-6256}}
5. ^{{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}}
6. ^{{Cite journal|last=Ramella|first=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|url=http://adsabs.harvard.edu/abs/2002AJ....123.2976R|journal=The Astronomical Journal|volume=123|pages=2976–2984|doi=10.1086/340357|issn=0004-6256}}
7. ^{{Cite web|url=http://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|archive-url=|archive-date=February 19, 2019|dead-url=|access-date=}}
8. ^{{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}}
9. ^1 2 3 4 5 6 {{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}}
10. ^1 2 3 4 {{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|archive-url=|archive-date=|dead-url=|access-date=2019-02-17}}
11. ^1 2 3 4 5 {{Cite journal|last=Gregory|first=S. A.|last2=Thompson|first2=L. A.|date=June 1978|title=The Coma/A1367 supercluster and its environs|url=http://adsabs.harvard.edu/doi/10.1086/156198|journal=The Astrophysical Journal|language=en|volume=222|pages=784|doi=10.1086/156198|issn=0004-637X|via=}}
12. ^1 2 3 4 5 6 7 8 9 10 {{Cite journal|last=Freeland|first=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|url=http://adsabs.harvard.edu/abs/2010MNRAS.409.1518F|journal=Monthly Notices of the Royal Astronomical Society|volume=409|pages=1518–1524|doi=10.1111/j.1365-2966.2010.17379.x|issn=0035-8711}}
13. ^1 2 3 {{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}}
14. ^{{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}}
15. ^1 {{Cite journal|last=Venkatesan|first=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?|url=http://adsabs.harvard.edu/abs/1994ApJ...436...67V|journal=The Astrophysical Journal|volume=436|pages=67–78|doi=10.1086/174881|issn=0004-637X}}
16. ^{{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=Astonomy-Mall|archive-url=|archive-date=|dead-url=|access-date=2019-02-02}}
17. ^1 {{Cite journal|last=Tifft|first=W. G.|last2=Gregory|first2=S. A.|date=1979-07-01|title=Band theory applied to the Coma/A1367 supercluster|url=http://adsabs.harvard.edu/abs/1979ApJ...231...23T|journal=The Astrophysical Journal|volume=231|pages=23–27|doi=10.1086/157158|issn=0004-637X}}
18. ^{{Cite journal|last=Chincarini|first=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|url=http://adsabs.harvard.edu/abs/1983A%26A...121....5C|journal=Astronomy and Astrophysics|volume=121|pages=5–9|issn=0004-6361}}
19. ^{{Cite journal|last=Jaffe|first=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|url=http://adsabs.harvard.edu/abs/1986AJ.....91..199J|journal=The Astronomical Journal|volume=91|pages=199–203|doi=10.1086/114000|issn=0004-6256}}
20. ^{{Cite journal|last=Galli|first=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|issn=0365-0138}}
21. ^{{Cite journal|last=Gavazzi|first=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|url=http://arxiv.org/abs/1003.3795|journal=Astronomy and Astrophysics|volume=517|pages=A73|doi=10.1051/0004-6361/201014153|issn=0004-6361|via=}}
22. ^1 2 {{Cite journal|last=Burns|first=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|url=http://adsabs.harvard.edu/abs/1987AJ.....94..587B|journal=The Astronomical Journal|volume=94|pages=587–617|doi=10.1086/114494|issn=0004-6256}}
23. ^1 2 3 4 5 6 {{Cite journal|last=White|first=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|url=http://adsabs.harvard.edu/abs/1999AJ....118.2014W|journal=The Astronomical Journal|volume=118|pages=2014–2037|doi=10.1086/301103|issn=0004-6256}}
24. ^{{Cite journal|last=Doe|first=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|url=http://adsabs.harvard.edu/cgi-bin/bib_query?1995AJ....110...46D|journal=The Astronomical Journal|volume=110|pages=46|doi=10.1086/117496|via=}}

External links

  • [https://www.webbdeepsky.com/images/galaxies/ngc4065/ngc4065_ms_finder.pdf Finding Chart for the NGC 4065 Group]

4 : Coma Supercluster|Coma Berenices (constellation)|Galaxy clusters|NGC 4065 Group
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