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NGC 4305

From Wikipedia, the free encyclopedia

NGC 4305
SDSS image of NGC 4305.
Observation data (J2000 epoch)
ConstellationVirgo
Right ascension12h 22m 03.6s[1]
Declination12° 44′ 27″[1]
Redshift0.006298[1]
Heliocentric radial velocity1888 km/s[1]
Distance98 Mly (30 Mpc)[1]
Apparent magnitude (V)13.4[1]
Characteristics
TypeSA(r)a[1]
Size~32,000 ly (9.7 kpc) (estimated)[1]
Apparent size (V)2.07 x 0.97[1]
Other designations
UGC 07432, VCC 0522, PGC 040030, MCG +02-32-013[1]

NGC 4305 is a dwarf spiral galaxy[2] located about 100 million light-years away[3] in the constellation Virgo. The galaxy was discovered by astronomer John Herschel on May 2, 1829.[4] Although considered to be a member of the Virgo Cluster,[2][5] its high radial velocity and blue luminosity suggest it is in fact a background galaxy.[6] The galaxy has a nearby major companion; NGC 4306.[6]

NGC 4305 exhibits well-defined, smooth spiral arms which terminate well outside its central bulge.[7] This spiral structure appears to have been induced by a tidal interaction with NGC 4306.[8][9] Such a tidal interaction would also explain its deficiency in neutral hydrogen gas (HI).[6]

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Transcription

References

  1. ^ a b c d e f g h i j "NASA/IPAC Extragalactic Database". Results for NGC 4305. Retrieved 2019-08-01.
  2. ^ a b Davidge, T. J. (2018-10-31). "The Stellar Contents of Intermediate Mass Disk Galaxies in the Virgo Cluster. I. GMOS Spectra". The Astronomical Journal. 156 (5): 233. arXiv:1811.00041. Bibcode:2018AJ....156..233D. doi:10.3847/1538-3881/aae5fa. S2CID 119391307.
  3. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2019-08-02.
  4. ^ "New General Catalog Objects: NGC 4300 - 4349". cseligman.com. Retrieved 2019-08-02.
  5. ^ Binggeli, B.; Sandage, A.; Tammann, G. A. (1985-09-01). "Studies of the Virgo Cluster. II - A catalog of 2096 galaxies in the Virgo Cluster area". The Astronomical Journal. 90: 1681–1759. Bibcode:1985AJ.....90.1681B. doi:10.1086/113874. ISSN 0004-6256.
  6. ^ a b c Sanchis, T.; Mamon, G. A.; Salvador-Sol´e, E.; Solanes, J. M. (2004-05-01). "The origin of H I-deficiency in galaxies on the outskirts of the Virgo cluster. II. Companions and uncertainties in distances and deficiencies". Astronomy and Astrophysics. 418 (2): 393–411. arXiv:astro-ph/0401367. Bibcode:2004A&A...418..393S. doi:10.1051/0004-6361:20034158. ISSN 0004-6361.
  7. ^ "NGC 4305 - SA(s)a". The De Vaucouleurs Atlas of Galaxies. Retrieved 2019-08-09.
  8. ^ van den Bergh, Sidney; Pierce, Michael J.; Tully, R. Brent (1990-08-01). "Classification of galaxies on CCD frames". The Astrophysical Journal. 359: 4–14. Bibcode:1990ApJ...359....4V. doi:10.1086/169027. ISSN 0004-637X.
  9. ^ Malin, D. (1994). "Interacting Galaxies in the Virgo Cluster". Astronomy from Wide-Field Imaging. Vol. 161. pp. 567–576. Bibcode:1994IAUS..161..567M. doi:10.1007/978-94-011-1146-1_119. ISBN 978-0-7923-2879-7. S2CID 118943109.

External links

Wikimedia Commons has media related to NGC 4305.


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This page was last edited on 25 August 2023, at 05:54
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