UGC 6614

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UGC 6614
UGC 6614 color cutout hlsp sgal hst wfpc2 u6614 f814w f555w v1 mosaic-sci sci.jpg
The LSB galaxy UGC 6614, imaged by the Hubble Space Telescope
Observation data (J2000 epoch)
Constellation Leo
Right ascension 11h 39m 14.9s [1]
Declination 17° 08′ 37″ [1]
Redshift 0.021188 ± 0.000007 [1]
Heliocentric radial velocity 6,359 ± 2 km/s
Distance 322 Mly (98.72 Mpc)
Apparent magnitude  (V)14.377 [1]
Absolute magnitude  (B)-22.00 ± 0.50 [1]
Characteristics
Type (R)SA(r)a [1]
Size~287,020  ly (88.000  kpc) (estimated) [1]
Apparent size  (V)1.7' × 1.4' [1]
Other designations
2MASX J11391484+1708368, MCG +03-30-029, PGC 36122, CGCG 097-40 [1]

UGC 6614 is a giant spiral galaxy located about 330 million light-years away in the constellation Leo. It has an estimated diameter of nearly 300,000 light-years. [2]

Contents

Physical characteristics

UGC 6614 is classified as a low surface brightness (LSB) galaxy. [3] [4] [5] The galaxy is nearly face-on and has a ring-like feature around its bulge, [6] with distinctive extended spiral arms. [7] The bulge of UGC 6614 is found to be red, similar to those of S0 and other elliptical galaxies, hinting at the existence of an old star population. [8] In its center, globular clusters are present. [9]

It is hypothesised UGC 6614 might be a giant elliptical galaxy, but because of repeated mergers with other disk galaxies, it shows a stellar disk structure, causing its spiral-like appearance. [10]

UGC 6614 possibly shows the highest metallicity known for an LSB galaxy with an estimated log value of (O/H) 1⁄4 3 to 2.84. [11] Its nucleus shows AGN activity at optical wavelengths [12] and appears as a bright core in X-ray emission, according to XMM-Newton archival data. [4]

Black hole

UGC 6614 contains a supermassive black hole in its center with an estimated solar mass of 3.8 x 106. [13]

Unconfirmed Supernova

AT 2020ojw, an astronomical transient, was discovered in UGC 6614 in July 2020 by ATLAS (Asteroid Terrestrial-impact Last Alert System). It had a magnitude of 18.4 and is a candidate supernova. [14] [15]

Group Membership

UGC 6614 is a member of a small group of 3 galaxies known as [T2015] nest 100958. [T2015] nest 100958 has a velocity dispersion of 244 km/s and an estimated mass of 1.38 × 1013 M☉. Other members of the group incude its brightest member, NGC 3767, and CGCG 097-024. [16] The group is part of the Coma Supercluster. [17] [18] [19]

See also

Related Research Articles

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<span class="mw-page-title-main">NGC 4066</span> Galaxy in the constellation Coma Berenices

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<span class="mw-page-title-main">NGC 4070</span> Galaxy in the constellation Coma Berenices

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<span class="mw-page-title-main">NGC 4072</span> Galaxy in the constellation Coma Berenices

NGC 4072 is a lenticular galaxy located 300 million light-years away in the constellation Coma Berenices. The galaxy was discovered by astronomer Ralph Copeland on April 3, 1872 and is a member of the NGC 4065 Group.

<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 4098</span> Interacting galaxies 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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<span class="mw-page-title-main">NGC 765</span> Galaxy in the constellation Aries

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<span class="mw-page-title-main">NGC 4324</span> Galaxy in the constellation of Virgo

NGC 4324 is a lenticular galaxy located about 85 million light-years away in the constellation Virgo. It was discovered by astronomer Heinrich d'Arrest on March 4, 1862. NGC 4324 has a stellar mass of 5.62 × 1010M☉, and a baryonic mass of 5.88 × 1010M☉. The galaxy's total mass is around 5.25 × 1011M☉. NGC 4324 is notable for having a ring of star formation surrounding its nucleus. It was considered a member of the Virgo II Groups until 1999, when its distance was recalculated and it was placed in the Virgo W Group.

<span class="mw-page-title-main">NGC 1079</span> Galaxy in the constellation Fornax

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<span class="mw-page-title-main">UGC 711</span> Galaxy in the constellation Cetus

UGC 711 is a relatively nearby spiral galaxy located in the constellation of Cetus. Estimated to be located 77 million light-years from Earth, the galaxy's luminosity class is IV and it has a HI line width region. It belongs to the equatorial region of Eridanus Void with an arcsec approximation of ≈ 250.

References

  1. 1 2 3 4 5 6 7 8 9 "NASA/IPAC Extragalactic Database". Results for UGC 6614. Retrieved 2017-07-22.
  2. ↑ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2024-08-10.
  3. ↑ "Giant Low Surface Brightness Galaxies - Ronald J. Buta". ned.ipac.caltech.edu. Retrieved 2024-08-09.
  4. 1 2 Naik, Sachindra; Das, M.; Jain, C.; Paul, B. (March 2010). "An X-ray bright nucleus in the low-surface-brightness galaxy UGC 6614". Monthly Notices of the Royal Astronomical Society. 404 (4): 2056. arXiv: 1001.5096 . Bibcode:2010MNRAS.404.2056N. doi: 10.1111/j.1365-2966.2010.16423.x . ISSN   0035-8711.
  5. ↑ Mishra, Alka; Kantharia, N. G.; Das, M.; Omar, A.; Srivastava, D. C. (2017-01-21). "GMRT HI study of giant low surface brightness galaxies". Monthly Notices of the Royal Astronomical Society. 464 (3): 2741–2751. arXiv: 1609.07544 . doi: 10.1093/mnras/stw2506 . ISSN   0035-8711.
  6. ↑ Hinz, J. L.; Rieke, M. J.; Rieke, G. H.; Willmer, C. N. A.; Misselt, K.; Engelbracht, C. W.; Blaylock, M.; Pickering, T. E. (2007-07-01). "Spitzer Observations of Low-Luminosity Isolated and Low Surface Brightness Galaxies". The Astrophysical Journal. 663 (2): 895–907. arXiv: 0704.2059 . Bibcode:2007ApJ...663..895H. doi:10.1086/518817. ISSN   0004-637X.
  7. ↑ Mehta, Kushal T.; O'Neil, K. (2006-12-01). "Mapping a Low Surface Brightness Galaxy". American Astronomical Society Meeting Abstracts. 209: 04.11. Bibcode:2006AAS...209.0411M.
  8. ↑ Quillen, A. C.; Pickering, T. E. (1997-05-01). "Evidence for Old Stars in the Red Low Surface Brightness Galaxies UGC 6614 and F568-6". arXiv e-prints: astro–ph/9705115. arXiv: astro-ph/9705115 . Bibcode:1997astro.ph..5115Q.
  9. ↑ Kim, J. H.; McGaugh, S. S. (2002-12-01). "Hubble Space Telescope Imaging of Globular Clusters in the Face-on Galaxies UGC 5981 & UGC 6614". American Astronomical Society Meeting Abstracts. 201: 13.04. Bibcode:2002AAS...201.1304K.
  10. ↑ Yoachim, Peter; Schmitz, D.; Loebman, S.; Debattista, V. P.; Kwak, S. (2014-01-01). "IFU Observations of Giant Low Surface Brightness Galaxies". American Astronomical Society Meeting Abstracts #223. 223: 453.05. Bibcode:2014AAS...22345305Y.
  11. ↑ McGaugh, S.S. (1994). "Oxygen Abundances In Low Surface Brightness Disk Galaxies". The Astrophysical Journal. 426: 135. arXiv: astro-ph/9311064 . Bibcode:1994ApJ...426..135M. doi:10.1086/174049 . Retrieved 2024-08-09.
  12. ↑ Schombert, J. (1998-10-01). "Active Galactic Nucleus Activity in Giant, Low Surface Brightness Galaxies". The Astronomical Journal. 116 (4): 1650–1656. Bibcode:1998AJ....116.1650S. doi:10.1086/300558. ISSN   0004-6256.
  13. ↑ Ramya, S.; Prabhu, T. P.; Das, M. (2011-12-01). "Active galactic nucleus activity and black hole masses in low surface brightness galaxies". Monthly Notices of the Royal Astronomical Society. 418 (2): 789–800. arXiv: 1108.0763 . Bibcode:2011MNRAS.418..789R. doi: 10.1111/j.1365-2966.2011.19530.x . ISSN   0035-8711.
  14. ↑ Srivastav, S.; Smith, K. W.; McBrien, O.; Smartt, S. J.; Gillanders, J.; Clark, P.; Fulton, M.; O'Neill, D.; Young, D. R.; McCollum, M.; Townsend, A.; Chen, T. W.; Anderson, J.; Denneau, L.; Flewelling, H. (2020-07-01). "ATLAS20sgz (AT2020ojw): discovery of a candidate supernova in UGC 6614 (93 Mpc)". Transient Name Server AstroNote. 135: 1. Bibcode:2020TNSAN.135....1S.
  15. ↑ "AT 2020ojw | Transient Name Server". www.wis-tns.org. Retrieved 2024-08-09.
  16. ↑ Tully, R. Brent (2015-05-01). "Galaxy Groups: A 2MASS Catalog". The Astronomical Journal. 149 (5): 171. arXiv: 1503.03134 . Bibcode:2015AJ....149..171T. doi:10.1088/0004-6256/149/5/171. ISSN   0004-6256.
  17. ↑ "UGC 6614". simbad.cds.unistra.fr. Retrieved 2024-08-30.
  18. ↑ Mahajan, Smriti; Singh, Ankit; Shobhana, Devika (2018-08-01). "Ultraviolet and optical view of galaxies in the Coma supercluster". Monthly Notices of the Royal Astronomical Society. 478 (4): 4336–4347. arXiv: 1805.09029 . Bibcode:2018MNRAS.478.4336M. doi: 10.1093/mnras/sty1370 . ISSN   0035-8711.
  19. ↑ 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.
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