NGC 300

NGC 300
NGC 300 imaged by ESO's La Silla Observatory
Observation data (J2000 epoch)
ConstellationSculptor
Right ascension00h 54m 53.48s[1]
Declination−37° 41′ 03.8″[1]
Redshift0.000480 [1]
Heliocentric radial velocity144 ± 1 km/s[1]
Distance6.07 ± 0.23 Mly (1.86 ± 0.07 Mpc)[2][a]
Apparent magnitude (V)9.0[1]
Characteristics
TypeSA(s)d[1]
Mass(2.9 ± 0.2) × 1010 M☉
Size~110,000 ly (35 kpc) (estimated)[3]
Apparent size (V)21.9′ × 15.5′[1]
Other designations
ESO 295- G 020, IRAS 00525-3757, 2MASX J00545347-3741037, MCG -06-03-005, PGC 3238, Caldwell 70[1]

NGC 300 (also known as Caldwell 70 or the Sculptor Pinwheel Galaxy[4]) is a spiral galaxy in the constellation Sculptor. It was discovered on 5 August 1826 by Scottish astronomer James Dunlop.[5] It is one of the closest galaxies to the Local Group, and it most likely lies between the latter and the Sculptor Group. It is the brightest of the five main spirals in the direction of the Sculptor Group.[2] It is inclined at an angle of 42° when viewed from Earth and shares many characteristics of the Triangulum Galaxy.[6] It is 94,000 light-years in diameter, somewhat smaller than the Milky Way, and has an estimated mass of (2.9 ± 0.2) × 1010 M☉.[3][7]

  1. ^ a b c d e f g h "NASA/IPAC Extragalactic Database". Results for NGC 300. Retrieved 2006-11-18.
  2. ^ a b Cite error: The named reference Rizzietal2006 was invoked but never defined (see the help page).
  3. ^ a b Westmeier, T.; Braun, R.; Koribalski, B. S. (2011-02-01). "Gas and dark matter in the Sculptor group: NGC 300". Monthly Notices of the Royal Astronomical Society. 410 (4): 2217–2236. arXiv:1009.0317. Bibcode:2011MNRAS.410.2217W. doi:10.1111/j.1365-2966.2010.17596.x. S2CID 119264221.
  4. ^ Stoyan, Ronald; Schurig, Stephan (2014). interstellarum Deep Sky Atlas. Erlangen: Cambridge University Press; Oculum-Verlag GmbH. ISBN 978-1-107-50338-0. OCLC 920437579.
  5. ^ Seligman, Courtney. "New General Catalogue Objects: NGC 300". Celestial Atlas. Retrieved 30 August 2024.
  6. ^ Vlajić, M.; Bland-hawthorn, J.; Freeman, K.C. (2009). "The Abundance Gradient in the Extremely Faint Outer Disk of NGC 300". The Astrophysical Journal. 697 (1): 361–372. arXiv:0903.1855. Bibcode:2009ApJ...697..361V. doi:10.1088/0004-637X/697/1/361. S2CID 15805386.
  7. ^ "NGC 300, a spiral galaxy in Sculptor". 8 July 2014.