NGC 488 is a face-on spiral galaxy in the constellation Pisces. It is at a distance of about 90 million light-years away from Earth.[3] Its diameter is estimated to be 52,6 Kpc (171.000 ly).[1] The galaxy has a large central bulge, and is considered a prototype galaxy with multiple spiral arms. Its arms are tightly wound. Star forming activity has been traced within the arms.[2] The nucleus of NGC 488 has been found to be chemically decoupled, being twice as metal rich as the central bulge of the galaxy. NGC 488, with the exception of its smaller companions, that form NGC 488 group, is an isolated galaxy.[4]

NGC 488
NGC 488 by Mount Lemmon Observatory
Observation data (J2000 epoch)
Constellation	Pisces
Right ascension	01h 21m 46.8s[1]
Declination	+15° 24′ 19″[1]
Redshift	2272 ± 1 km/s[1]
Distance	98.3 ± 3.9 Mly (30.15 ± 1.2 Mpc)[1]
Apparent magnitude (V)	10.4
Characteristics
Type	SA(r)b[1]
Apparent size (V)	5′.4 × 3′.9[1]
Notable features	Prototype galaxy with multiple spiral arms[2]
Other designations
UGC 907, PGC 4946[1]

The galaxy was discovered by William Herschel on 13 December 1784. Two supernovae have been observed in NGC 488, SN 2010eb, possibly Ia with peak magnitude 14.7, and SN 1976G, with magnitude 15.[5]

Gallery

• 
  NGC 488 (SDSS)
• 
  NGC 488 by 2MASS
• 
  Hubble Space Telescope image of NGC 488

References

External links

• Media related to NGC 488 at Wikimedia Commons
• NGC 488 in the Staracle NGC catalog

• NGC 488 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

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