NGC 4055

Last updated
NGC 4055
SDSS NGC 4061.jpg
SDSS image of NGC 4055. NGC 4065 can be seen to the left of the image.
Observation data (J2000 epoch)
Constellation Coma Berenices
Right ascension 12h 04m 01.5s [1]
Declination 20° 13′ 56″ [1]
Redshift 0.024027 [1]
Helio radial velocity 7203 km/s [1]
Distance 310  Mly (94  Mpc) [1]
Group or cluster NGC 4065 Group
Apparent magnitude  (V)14.12 [1]
Characteristics
Type E [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 4055 is an elliptical galaxy located 310 light-years away [2] in the constellation Coma Berenices. [3] It was discovered by astronomer William Herschel on April 27, 1785. It was rediscovered by John Herschel on April 29, 1832. It is listed both as NGC 4061 and NGC 4055. [4] NGC 4055 is a member of the NGC 4065 Group [5] [6] [7] [8] [9] [10] [11] [12] [13] and forms an interacting [14] [15] pair with its companion, NGC 4065 [8] [14] as evidenced by distortions in their optical isophotes. [15] [9]

Contents

NGC 4055 is classified as a radio galaxy [7] [15] [9] [16] [17] [18] [11] [19] with a Fanaroff and Riley classification of type I. [20]

Radio Jets

NGC 4055 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 the interstellar medium (ISM) of NGC 4055 and entering into the intracluster 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 to NGC 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 4055 through the ICM with sufficient velocity to bend the jets by ram-pressure stripping. [15]

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

Dust Disk

NGC 4055 has a dust disk with a diameter of 7,420  ly (2.275  kpc ). [21]

Supermassive black hole

NGC 4055 has a supermassive black hole with a mass in the range of 1-9 × 109 M☉. [22] [23]

SN 2008bf

On February 18, 2008 a type Ia supernova designated as SN 2008bf was discovered in NGC 4055. [24] [25] [26] [27] However, the Open Supernova Catalog suggests that the host galaxy may be the nearby NGC 4065. [27]

See also

Notes

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

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<span class="mw-page-title-main">NGC 4074</span> Galaxy in the constellation Coma Berenices

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<span class="mw-page-title-main">NGC 4076</span> Galaxy in the constellation Coma Berenices

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<span class="mw-page-title-main">NGC 4086</span> Galaxy in the constellation Coma Berenices

NGC 4086 is a lenticular galaxy located 330 million light-years away in the constellation Coma Berenices. NGC 4086 was discovered by astronomer Heinrich d'Arrest on May 2, 1864 and is a member of the NGC 4065 Group.

<span class="mw-page-title-main">NGC 4089</span> Galaxy in the constellation of Coma Berenices

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<span class="mw-page-title-main">NGC 4090</span> Galaxy in the constellation Coma Berenices

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<span class="mw-page-title-main">NGC 4093</span> Galaxy in the constellation Coma Berenices

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<span class="mw-page-title-main">NGC 4095</span> Galaxy in the constellation Coma Berenices

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<span class="mw-page-title-main">NGC 4065 Group</span> Group of galaxies in the constellation of Coma Berenices

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References

  1. 1 2 3 4 5 6 7 8 9 10 "NASA/IPAC Extragalactic Database". Results for NGC 4055. Retrieved 2019-01-20.
  2. ↑ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2019-01-21.
  3. ↑ "Revised NGC Data for NGC 4061". spider.seds.org. Retrieved 2019-01-21.
  4. ↑ "New General Catalog Objects: NGC 4050 - 4099". cseligman.com. Retrieved 2019-01-15.
  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. 1 2 Jaffe, 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. 1 2 Burns, 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. 1 2 3 4 Doe, 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. 1 2 Croston, 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. 1 2 Batuski, 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. 1 2 3 4 Venkatesan, 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. Retrieved 2019-01-21.
  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 from the original (PDF) on 2019-01-26. Retrieved 2019-01-21.
  23. ↑ "NGC 4061 Fact Sheet - StarDate's Black Hole Encyclopedia". blackholes.stardate.org. Retrieved 2019-01-22.
  24. ↑ "List of supernovae sorted by host name". Bright Supernova - Archives. Retrieved 2019-01-21.
  25. ↑ "Bright Supernovae - 2008". rochesterastronomy.org. Retrieved 2019-01-22.
  26. ↑ "SN 2008bf | Transient Name Server". wis-tns.weizmann.ac.il. Retrieved 2019-01-22.
  27. 1 2 "2008bf - The Open Supernova Catalog". Archived from the original on 2016-09-17. Retrieved 2019-01-22.
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