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NGC 4513
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| NGC 4513 | |
|---|---|
 SDSS image of NGC 4513. | |
| Observation data (J2000 epoch) | |
| Constellation | Draco |
| Right ascension | 12h 32m 01.5s[1] |
| Declination | 66° 19′ 57″[1] |
| Redshift | 0.007685[1] |
| Heliocentric radial velocity | 2304 km/s[1] |
| Distance | 110 Mly (33 Mpc)[1] |
| Group or cluster | NGC 4256 Group |
| Apparent magnitude (V) | 13.7[1] |
| Characteristics | |
| Type | (R)SA0^0[1] |
| Size | ~55,000 ly (17 kpc) (estimated)[1] |
| Apparent size (V) | 1.21 x 0.88[1] |
| Other designations | |
| CGCG 315-42, MCG 11-15-59, PGC 41527, UGC 7683[1] | |
NGC 4513 is a lenticular galaxy[2][3][4] and a ring galaxy[4][5][3] located about 110 million light-years away[2][3] in the constellation Draco. It was discovered by astronomer Heinrich d'Arrest on October 16, 1866.[6]
Physical characteristics
[edit]NGC 4513 has a large and very faint ring[7] that is quite separated from the main galactic disk.[8] The disk is gaseous and counter-rotates with respect to the inner disc. The outer part of the inner disc exhibits a population of counter-rotating stars that may be related to the outer ring.[8][3] The observed counter-rotation suggests that the ring resulted from the accretion of gas from the passage of another galaxy.[3] However, Ilyina et al. proposed that the ring is the result of a satellite galaxy vertically impacting onto the central part of NGC 4513 as the ring is bright in UV and is symmetric.[9]
Group Membership
[edit]NGC 4513 is a member of the NGC 4256 Group[10] which lies in the upper plane of the Virgo Supercluster.[11]
See also
[edit]References
[edit]- ^ a b c d e f g h i j "NASA/IPAC Extragalactic Database". Results for NGC 4513. Retrieved 2019-04-08.
- ^ a b "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2019-04-10.
- ^ a b c d e Ilyina, M. A.; Sil'chenko, O. K.; Afanasiev, V. L. (2014-03-01). "Nature of star-forming rings in S0 galaxies". Monthly Notices of the Royal Astronomical Society. 439 (1): 334–341. Bibcode:2014MNRAS.439..334I. doi:10.1093/mnras/stt2441. ISSN 0035-8711.
- ^ a b Sil'chenko, Olga K.; Ilyina, Marina A. (2011-05-16). "Lenticular galaxies with UV-rings". Astronomy Letters. 37 (9): 589. arXiv:1105.3147. Bibcode:2011AstL...37..589I. doi:10.1134/S0320010811090051. S2CID 118164747.
- ^ Moss, D.; Mikhailov, E.; Silchenko, O.; Sokoloff, D.; Horellou, C.; Beck, R. (August 2016). "Magnetic fields in ring galaxies". Astronomy & Astrophysics. 592: A44. arXiv:1605.01883. Bibcode:2016A&A...592A..44M. doi:10.1051/0004-6361/201628346. ISSN 0004-6361. S2CID 42667458.
- ^ "New General Catalog Objects: NGC 4500 - 4549". cseligman.com. Retrieved 2019-04-10.
- ^ Buta, R. J. (November 2017). "Galactic Rings Revisited. I. CVRHS Classifications of 3962 Ringed Galaxies from the Galaxy Zoo 2 Database". Monthly Notices of the Royal Astronomical Society. 471 (4): 4027–4046. arXiv:1707.06589. Bibcode:2017MNRAS.471.4027B. doi:10.1093/mnras/stx1829. ISSN 0035-8711. S2CID 118957238.
- ^ a b Silchenko, O.; Ilyina, M.; Katkov, I. (2014). "Outer rings in early-type galaxies: from Vorontsov-Velyaminov to present". Baltic Astronomy. 23 (3–4): 279–285. Bibcode:2014BaltA..23..279S. doi:10.1515/astro-2017-0192. ISSN 1021-6766.
- ^ Ilyina, M. A.; Sil'Chenko, O. K. (2011-09-01). "Lenticular galaxies with ultraviolet rings". Astronomy Letters. 37 (9): 589–596. arXiv:1105.3147. Bibcode:2011AstL...37..589I. doi:10.1134/S0320010811090051. ISSN 0320-0108.
- ^ Garcia, A. M. (1993-07-01). "General study of group membership. II - Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47–90. Bibcode:1993A&AS..100...47G. ISSN 0365-0138.
- ^ Fouque, P.; Gourgoulhon, E.; Chamaraux, P.; Paturel, G. (1992-05-01). "Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members". Astronomy and Astrophysics Supplement Series. 93: 211–233. Bibcode:1992A&AS...93..211F. ISSN 0365-0138.
External links
[edit]
Media related to NGC 4513 at Wikimedia Commons- NGC 4513 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
