NGC 24

NGC 24
NGC 24
HST image of NGC 24
Observation data (J2000 epoch)
ConstellationSculptor
Right ascension00h 09m 56.542s[1]
Declination−24° 57′ 47.27″[1]
Redshift0.00185±0.00001[2]
Heliocentric radial velocity554.017±2.099 km/s[2]
Distance23.8 Mly (7.31 Mpc)[3]
Apparent magnitude (V)12.4[4]
Absolute magnitude (V)−17.61
Characteristics
TypeSA(s)c[5]
Apparent size (V)5.7' x 1.5'
Other designations
UGCA 2, ESO 472-G016, MCG-04-01-018, ESO-LV 4720160,[6] PGC 701, CGS 119[4]
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NGC 24 is a spiral galaxy in the southern constellation of Sculptor, about 23.8 megalight-years distant from the Milky Way.[3] It was discovered by British astronomer William Herschel in 1785, and measures some 40,000 light-years across.[7] The general shape of this galaxy is specified by its morphological classification of SA(s)c,[5] which indicates it is an unbarred spiral with no ring-like structure and moderate to loosely-wound spiral arms. This galaxy is positioned in the vicinity of the Sculptor Group, but is actually a background object that is more than three times as distant. It may form a pair with another background galaxy, NGC 45.[8]

  1. ^ a b Cite error: The named reference Skrutskie2006 was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference Koribalski2004 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference Karachentsev2017 was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference ned was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference vaucoulerus1991 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference HST was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Chemin2006 was invoked but never defined (see the help page).