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NGC 514

NGC 514
SDSS image of NGC 514
Observation data (J2000 epoch)
ConstellationPisces
Right ascension01h 24m 03.89603s[1]
Declination+12° 55′ 02.8476″[1]
Redshift0.008246±0.000010[2]
Heliocentric radial velocity2,472 km/s[3]
Distance82.8 Mly (25.4 Mpc)[3]
Apparent magnitude (V)11.65[4]
Characteristics
TypeSAB(rs)c[5]
Apparent size (V)3.5′ × 2.8′[6]
Other designations
UGC 947,[7] PGC 5139[6]

NGC 514 is a low-luminosity,[8] intermediate spiral galaxy in the equatorial constellation of Pisces, located at a distance of approximately 83[3] million light-years from the Milky Way. It was discovered on 16 October 1784 by astronomer William Herschel.[9] The general form of the galaxy is specified by its morphological classification of SAB(rs)c,[5] which indicates it has a weak bar system at the core (SAB), an incomplete ring formation around the bar (rs), and somewhat loosely-wound spiral arms (c). This galaxy has an H II nucleus[10] with an extended region that displays weak emission lines in the optical range, but not in the near infrared.[5] The suspected supermassive black hole at the core has an estimated mass of 3.2×106 M☉.[8]

In October 2020 a type Ia supernova, SN 2020uxz, was detected in NGC 514.[11][12]

See also

References

  1. ^ a b Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  2. ^ Rhee, M. H.; van Albada, T. S. (February 1996). "Short WSRT HI observations of spiral galaxies". Astronomy and Astrophysics Supplement. 115: 407–437. Bibcode:1996A&AS..115..407R.
  3. ^ a b c Tully, R. Brent; et al. (2016). "Cosmicflows-3". The Astronomical Journal. 152 (2): 21. arXiv:1605.01765. Bibcode:2016AJ....152...50T. doi:10.3847/0004-6256/152/2/50. S2CID 250737862. 50.
  4. ^ Armando, Gil de Paz; et al. (2007). "The GALEX Ultraviolet Atlas of Nearby Galaxies". Astrophysical Journal. 173 (2): 185–255. arXiv:astro-ph/0606440. Bibcode:2007ApJS..173..185G. doi:10.1086/516636. S2CID 119085482.
  5. ^ a b c Martins, Lucimara P.; et al. (May 2013). "A spectral atlas of H II galaxies in the near-infrared". Monthly Notices of the Royal Astronomical Society. 431 (2): 1823–1839. arXiv:1302.3853. Bibcode:2013MNRAS.431.1823M. doi:10.1093/mnras/stt296. S2CID 117332591.
  6. ^ a b "NASA/IPAC Extragalactic Database". Results for NGC 514. Retrieved 2006-11-25.
  7. ^ "NGC 514". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-04-01.
  8. ^ a b Dong, X. Y.; De Robertis, M. M. (March 2006). "Low-Luminosity Active Galaxies and Their Central Black Holes". The Astronomical Journal. 131 (3): 1236–1252. arXiv:astro-ph/0510694. Bibcode:2006AJ....131.1236D. doi:10.1086/499334. S2CID 17630682.
  9. ^ "New General Catalog Objects: NGC 500 - 549". cseligman.com. Retrieved 2017-12-10.
  10. ^ Ho, Luis C.; et al. (October 1997). "A Search for "Dwarf" Seyfert Nuclei. III. Spectroscopic Parameters and Properties of the Host Galaxies". Astrophysical Journal Supplement. 112 (2): 315–390. arXiv:astro-ph/9704107. Bibcode:1997ApJS..112..315H. doi:10.1086/313041. S2CID 17086638.
  11. ^ "Supernova 2020uxz in NGC 514". www.rochesterastronomy.org. Retrieved 2020-10-14.
  12. ^ "SN 2020uxz". Transient Name Server. IAU. Retrieved 5 September 2024.

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