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NGC 4061

From Wikipedia, the free encyclopedia
(Redirected fromNGC 4055)
Galaxy in the constellation Coma Berenices
NGC 4061
SDSS image of NGC 4061.NGC 4065 can be seen to the left of the image.
Observation data (J2000epoch)
ConstellationComa Berenices
Right ascension12h 04m 01.5s[1]
Declination20° 13′ 56″[1]
Redshift0.024027[1]
Heliocentric radial velocity7203 km/s[1]
Distance310 Mly (94 Mpc)[1]
Group orclusterNGC 4065 Group
Apparent magnitude (V)14.12[1]
Characteristics
TypeE[1]
Size~120,000 ly (37 kpc) (estimated)[1]
Apparent size (V)1.2 x 0.9[1]
Other designations
NGC 4055, MCG +04-29-006, PGC 038146, UGC 07044, VV 179b[1]

NGC 4061 is anelliptical galaxy located 310light-years away[2] in theconstellationComa Berenices.[3] It was discovered by astronomerWilliam Herschel on April 27, 1785. It was rediscovered byJohn Herschel on April 29, 1832. It is listed both as NGC 4061 and NGC 4055.[4] NGC 4061 is a member of theNGC 4065 Group[5][6][7][8][9][10][11][12][13] and forms aninteracting[14][15] pair with its companion,NGC 4065[8][14] as evidenced by distortions in their opticalisophotes.[15][9]

NGC 4061 is classified as aradio galaxy[7][15][9][16][17][18][11][19] with aFanaroff and Riley classification of type I.[20]

Radio Jets

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NGC 4061 has two radio jets that appear to be very straight and that dramatically oppose each other. At a distance of 26,000 ly (8 kpc) from the core the jets appear to suddenly sweep back. This sudden bending of the jets suggest that they are leaving theinterstellar medium (ISM) of NGC 4061 and entering into theintracluster medium (ICM). After the sharp bending, the jets continue to open for about 82,000 ly (25 kpc) and extend into a "U" or horseshoe morphology similar toNGC 1265, with each jet having a length of 160,000 ly (50 kpc). This morphology is thought to be due to the motion of NGC 4061 through the ICM with sufficient velocity to bend the jets byram-pressure stripping.[15]

The interaction withNGC 4065 may have also contributed to bending the jets.[9]

Dust Disk

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NGC 4061 has a dust disk with a diameter of 7,420 ly (2.275 kpc).[21][1]

Supermassive black hole

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NGC 4061 has asupermassive black hole with a mass in the range of 1-9 × 109M☉.[22][23]

SN 2008bf

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On February 18, 2008 atype Ia supernova designated as SN 2008bf was discovered in NGC 4061.[24][25][26][27] However, the Open Supernova Catalog suggests that the host galaxy may be the nearbyNGC 4065.[27]

See also

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Notes

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1.^ This was determined by multiplying the given scale length in the paper of 0.55arcseconds=820 ly (250 pc) by 9.1 to get the diameter of the dust disk.

References

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  1. ^abcdefghij"NASA/IPAC Extragalactic Database".Results for NGC 4061. Retrieved2019-01-20.
  2. ^"Your NED Search Results".ned.ipac.caltech.edu. Retrieved2019-01-21.
  3. ^"Revised NGC Data for NGC 4061".spider.seds.org. Retrieved2019-01-21.
  4. ^"New General Catalog Objects: NGC 4050 - 4099".cseligman.com. Retrieved2019-01-15.
  5. ^Gregory, S. A.; Thompson, L. A. (1978-06-01)."The Coma/A1367 supercluster and its environs".The Astrophysical Journal.222:784–799.Bibcode:1978ApJ...222..784G.doi:10.1086/156198.ISSN 0004-637X.
  6. ^Tifft, W. G.; Gregory, S. A. (1979-07-01). "Band theory applied to the Coma/A1367 supercluster".The Astrophysical Journal.231:23–27.Bibcode:1979ApJ...231...23T.doi:10.1086/157158.ISSN 0004-637X.
  7. ^abJaffe, W.; Gavazzi, G.; Valentijn, E. (1986-02-01)."Radio continuum survey of the Coma/A1367 supercluster. I - 610 MHz observations of CGCG galaxies in four groups".The Astronomical Journal.91:199–203.Bibcode:1986AJ.....91..199J.doi:10.1086/114000.ISSN 0004-6256.
  8. ^abBurns, Jack O.; Hanisch, Robert J.; White, Richard A.; Nelson, Eric R.; Morrisette, Kim A.; Moody, J. Ward (1987-09-01). "A VLA 20 CM survey of poor groups of galaxies".The Astronomical Journal.94:587–617.Bibcode:1987AJ.....94..587B.doi:10.1086/114494.ISSN 0004-6256.
  9. ^abcdDoe, Stephen M.; Ledlow, Michael J.; Burns, Jack O.; White, Richard A. (1995-07-01)."ROSAT Observations of Five Poor Galaxy Clusters with Extended Radio Sources".The Astronomical Journal.110: 46.Bibcode:1995AJ....110...46D.doi:10.1086/117496.ISSN 0004-6256.
  10. ^Helsdon, Stephen F.; Ponman, Trevor J.; O'Sullivan, Ewan; Forbes, Duncan A. (2001-08-01)."X-ray luminosities of galaxies in groups".Monthly Notices of the Royal Astronomical Society.325 (2):693–706.arXiv:astro-ph/0103293.Bibcode:2001MNRAS.325..693H.doi:10.1046/j.1365-8711.2001.04490.x.ISSN 0035-8711.S2CID 17732882.
  11. ^abCroston, J. H.; Sengupta, C.; Freeland, E. (2010-12-21)."Quantifying the importance of ram-pressure stripping in a galaxy group at 100 Mpc".Monthly Notices of the Royal Astronomical Society.409 (4):1518–1524.arXiv:1007.3286.Bibcode:2010MNRAS.409.1518F.doi:10.1111/j.1365-2966.2010.17379.x.ISSN 0035-8711.S2CID 119216322.
  12. ^White, Richard A.; Bliton, Mark; Bhavsar, Suketu P.; Bornmann, Patricia; Burns, Jack O.; Ledlow, Michael J.; Loken, Christen (1999-11-01)."A Catalog of Nearby Poor Clusters of Galaxies".The Astronomical Journal.118 (5):2014–2037.arXiv:astro-ph/9907283.Bibcode:1999AJ....118.2014W.doi:10.1086/301103.ISSN 0004-6256.
  13. ^Freeland, E.; Stilp, A.; Wilcots, E. (2009-07-01). "HI Observations of Five Groups of Galaxies".The Astronomical Journal.138 (1):295–304.arXiv:0905.3907.Bibcode:2009AJ....138..295F.doi:10.1088/0004-6256/138/1/295.ISSN 0004-6256.S2CID 15714969.
  14. ^abBatuski, David J.; Hanisch, Robert J.; Burns, Jack O. (1992-04-01)."VLA observations of radio sources in interacting galaxy pairs in poor clusters".The Astronomical Journal.103:1077–1083.Bibcode:1992AJ....103.1077B.doi:10.1086/116126.ISSN 0004-6256.
  15. ^abcdVenkatesan, T. C. A.; Batuski, David J.; Hanisch, Robert J.; Burns, Jack O. (November 20, 1994)."Why do head-tail sources exist in poor clusters of galaxies?".The Astrophysical Journal.436:67–78.Bibcode:1994ApJ...436...67V.doi:10.1086/174881.ISSN 0004-637X.
  16. ^Zaninetti, L. (2007-04-01). "Physical mechanisms that shape the morphologies of extragalactic jets".Revista Mexicana de Astronomía y Astrofísica.43:59–87.arXiv:astro-ph/0610400.Bibcode:2007RMxAA..43...59Z.ISSN 0185-1101.
  17. ^Zaninetti, Lorenzo (2009-03-06). "A turbulent model for the surface brightness of extragalactic jets".Revista Mexicana de Astronomía y Astrofísica.45:25–53.arXiv:0903.1170.Bibcode:2009RMxAA..45...25Z.
  18. ^Gavazzi, Giuseppe; Fumagalli, Mattia; Cucciati, Olga; Boselli, Alessandro (July 2010). "A snapshot on galaxy evolution occurring in the Great Wall: the role of Nurture at z=0".Astronomy and Astrophysics.517: A73.arXiv:1003.3795.Bibcode:2010A&A...517A..73G.doi:10.1051/0004-6361/201014153.ISSN 0004-6361.S2CID 55001713.
  19. ^"NGC 4061".sim-id. Retrieved2019-01-21.
  20. ^Capetti, A.; Massaro, F.; Baldi, R. D. (2017-02-01). "FRICAT: A FIRST catalog of FR I radio galaxies".Astronomy and Astrophysics.598: A49.arXiv:1610.09376.Bibcode:2017A&A...598A..49C.doi:10.1051/0004-6361/201629287.ISSN 0004-6361.S2CID 119216781.
  21. ^Pinkney, J. C.; Nuker Team (2005-05-01). "Kinematics and Black Hole Mass for the Narrow-Angle Tailed Radio Galaxy NGC 4061".American Astronomical Society Meeting Abstracts #206.206: 11.17.Bibcode:2005AAS...206.1117P.
  22. ^Pinkney, J.; Gebhardt, K.; Nuker Team."Kinematics and Black Hole Mass for the Narrow-Angle Tailed Radio Galaxy NGC 4061 [Poster]"(PDF).Jason Pinkney's Homepage. Archived fromthe original(PDF) on 2019-01-26. Retrieved2019-01-21.
  23. ^"NGC 4061 Fact Sheet - StarDate's Black Hole Encyclopedia".blackholes.stardate.org. Retrieved2019-01-22.
  24. ^"List of supernovae sorted by host name".Bright Supernova - Archives. Retrieved2019-01-21.
  25. ^"Bright Supernovae - 2008".rochesterastronomy.org. Retrieved2019-01-22.
  26. ^"SN 2008bf | Transient Name Server".wis-tns.weizmann.ac.il. Retrieved2019-01-22.
  27. ^ab"2008bf - The Open Supernova Catalog". Archived fromthe original on 2016-09-17. Retrieved2019-01-22.

External links

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