NGC 3513

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NGC 3513
NGC 3513 imaged by Hubble Space Telescope
Observation data (J2000 epoch)
ConstellationCrater
Right ascension11h 03m 46.1628s[1]
Declination−23° 14′ 44.196″[1]
Redshift0.003979 ± 0.000020 [1]
Heliocentric radial velocity1,163 ± 6 km/s[1]
Distance40.2 ± 13.0 Mly (12.3 ± 4.0 Mpc)[1]
Group or clusterNGC 3511 Group
Apparent magnitude (V)11.1[2]
Characteristics
TypeSB(s)c [1]
Size~47,000 ly (14.3 kpc) (estimated)[1]
Apparent size (V)2.8′ × 2.2′[1]
Other designations
ESO 502- G 014, AM 1101-225, IRAS 11013-2258, UGCA 224, MCG -04-26-021, PGC 33410[1]

NGC 3513 is a barred spiral galaxy in the constellation Crater. The galaxy lies about 40 million light years away from Earth, which means, given its apparent dimensions, that NGC 3513 is approximately 45,000 light years across.[1] It was discovered by William Herschel on December 21, 1786.[3]

NGC 3513 is a barred galaxy with a thin high-surface-brightness bar. At the end of the bar there are slightly offset ansae from which emerge two well defined spiral arms. The arms are patchy, featuring many star formation knots and HII regions. The southern arm is more open, while the northern features more vigorous star formation. The arms can be followed by a bit over half a revolution.[4] The total star formation rate of the galaxy is estimated to be 0.2 M☉ per year. The brightest stars of the galaxy can be resolved and have an apparent magnitude of 21.5.[5] Ionised outflows have been observed near the nucleus. The galaxy is seen at an inclination of 39°.[6]

NGC 3513 forms a pair with NGC 3511, which lies 10.5 arcminutes away.[5] There is a faint narrow hydrogen bridge apparently connecting the two galaxies.[7] The two galaxies form a small group, known as the NGC 3511 group, which also includes the galaxy ESO 502-024.[8]

References

  1. ^ a b c d e f g h i j "Results for object NGC 3513". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 15 February 2025.
  2. ^ "Revised NGC Data for NGC 3513". spider.seds.org. Retrieved 30 March 2024.
  3. ^ Seligman, Courtney. "NGC 3513 (= PGC 33410)". Celestial Atlas. Retrieved 19 November 2018.
  4. ^ Eskridge, Paul B.; Frogel, Jay A.; Pogge, Richard W.; Quillen, Alice C.; Berlind, Andreas A.; Davies, Roger L.; DePoy, D. L.; Gilbert, Karoline M.; Houdashelt, Mark L.; Kuchinski, Leslie E.; Ramirez, Solange V.; Sellgren, K.; Stutz, Amelia; Terndrup, Donald M.; Tiede, Glenn P. (November 2002). "Near-Infrared and Optical Morphology of Spiral Galaxies". The Astrophysical Journal Supplement Series. 143 (1): 73–111. arXiv:astro-ph/0206320. Bibcode:2002ApJS..143...73E. doi:10.1086/342340.
  5. ^ a b Sandage, A., Bedke, J. (1994), The Carnegie Atlas of Galaxies. Volume I, Carnegie Institution of Washington
  6. ^ Zhu, Hanjue; Boettcher, Erin; Chen, Hsiao-Wen (19 July 2024). "Spatially resolved properties of extraplanar diffuse ionized gas in NGC 3511 and NGC 3513". Monthly Notices of the Royal Astronomical Society. 532 (3): 3252–3267. doi:10.1093/mnras/stae1708.
  7. ^ Eibensteiner, Cosima; et al. (November 2024). "PHANGS-MeerKAT and MHONGOOSE HI observations of nearby spiral galaxies: Physical drivers of the molecular gas fraction, R mol". Astronomy & Astrophysics. 691: A163. arXiv:2407.01716. doi:10.1051/0004-6361/202449944.
  8. ^ Makarov, Dmitry; Karachentsev, Igor (21 April 2011). "Galaxy groups and clouds in the local (z~ 0.01) Universe". Monthly Notices of the Royal Astronomical Society. 412 (4): 2498–2520. arXiv:1011.6277. Bibcode:2011MNRAS.412.2498M. doi:10.1111/j.1365-2966.2010.18071.x. S2CID 119194025.
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