Astronomy:UGC 3478

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Short description: Galaxy in the constellation Camelopardalis
UGC 3478
UGC 3478 imaged by the Hubble Space Telescope
Observation data (J2000 epoch)
ConstellationCamelopardalis
Right ascension 06h 32m 47.173s[1]
Declination+63° 40′ 25.28″[1]
Redshift0.01271338[2]
Helio radial velocity3787 ± 150[2]
Distance142.10 ± 1.71 Mly (43.567 ± 0.524 Mpc)[3]
Apparent magnitude (B)13.3[4]
Characteristics
TypeSb[2]
Other designations
IRAS 06280+6342, MCG+11-08-054, PGC 19228[5][2]

UGC 3478 is a spiral galaxy located in the constellation of Camelopardalis.[6][7] Its velocity with respect to the cosmic microwave background is 3,849±8 km/s, which corresponds to a Hubble distance of 185.2 ± 13.0 Mly (56.77 ± 3.98 Mpc).[5] However, three non-redshift measurements give a closer mean distance of 142.10 ± 1.71 Mly (43.567 ± 0.524 Mpc).[3][8] The first known reference to this galaxy comes from Part 1 of the Morphological Catalogue of Galaxies, published in 1962, where it is listed as MCG +11-08-054.[9]

UGC 3478 features a growing supermassive black hole (AGN) at its center.[10]

References

  1. ↑ 1.0 1.1 Brown, A. G. A. (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics 649: A1. doi:10.1051/0004-6361/202039657. Bibcode: 2021A&A...649A...1G.  Gaia EDR3 record for this source at VizieR.
  2. ↑ 2.0 2.1 2.2 2.3 "UGC 3478". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=UGC+3478. 
  3. ↑ 3.0 3.1 "Distance Results for UGC 03478". NASA. https://ned.ipac.caltech.edu/cgi-bin/nDistance?name=UGC+03478. 
  4. ↑ Nilson, P. (1 January 1973). "Uppsala General Catalogue of Galaxies, 1973, Acta Universitatis Upsalienis, Nova Regiae Societatis Upsaliensis, Series v: a Vol.". Nova Acta Regiae Soc. Sci. Upsaliensis Ser. V. https://ui.adsabs.harvard.edu/abs/1973UGC...C...0000N/abstract. 
  5. ↑ 5.0 5.1 "Results for object UGC 03478". NASA and Caltech. https://ned.ipac.caltech.edu/byname?objname=UGC+03478. 
  6. ↑ Hiding a bright secret, 26 August 2024, ESA/Hubble & NASA, M. Koss, A. Barth, esahubble.org
  7. ↑ Hubble Space Telescope Gazes at UGC 3478, 26 August 2024, Enrico de Lazaro, www.sci.news
  8. ↑ Hubble photographs a galaxy with a growing black hole, 30 August 2024, Mykyta Lytvynov, universemagazine.com
  9. ↑ Vorontsov-Vel'Yaminov, B. A.; Arkhipova, V. P. (1962). "Morphological catalogue of galaxies. Part 1". Morphological Catalogue of Galaxies C01. Bibcode: 1962MCG...C01....0V. 
  10. ↑ Galaxy with an ultra-bright core is concealing a secret, 28 August 2024, Eric Ralls, Earth.com

Coordinates: Sky map 06h 32m 47.173s, +63° 40′ 25.28″



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