NGC 665
A SDSS image of NGC 665
Observation data (J2000 epoch)
ConstellationPisces
Right ascension01h 44m 56.10s[1]
Declination10° 25′ 23″[1]
Redshift0.018079±0.000103[1]
Distance236 Mly (72.3 Mpc)[2]
Apparent magnitude (V)12.2[2]
Characteristics
Type(R)S0^0[2]
Size100,000 ly
Apparent size (V)1.8 x 1.0[1]
Notable featuresSmall halo of gas visible at galactic center
Other designations
UGC 1223,[2] PGC 6415,[2] MCG+02-05-019[2]

NGC 665 is a Lenticular galaxy 236 million light-years away in the constellation Pisces.[2] NGC 665 was discovered in 1786 by William Herschel, and is 100,000 light-years across. In the center of NGC 665, a small halo of dust and gas can be seen, indicating some small star-forming regions.[2] NGC 665 is not known to have an active galactic nuclei, as seen in the SDSS image.[1]

Nearby and satellite galaxies

Like other galaxies, NGC 665 has a satellite galaxy (MCG 02-05-022),[3] a dwarf elliptical galaxy, as seen in the SDSS image of NGC 665.[2] Its nearby cluster of stars is NGC 663.

References

  1. 1 2 3 4 5 "NGC 665 - Lenticular Galaxy in Pisces | TheSkyLive.com". theskylive.com. Retrieved 2023-11-29.
  2. 1 2 3 4 5 6 7 8 9 "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2023-11-29.
  3. ↑ "NGC 665 - Galaxy - WIKISKY". server6.wikisky.org. Retrieved 2023-11-29.
  • Media related to NGC 665 at Wikimedia Commons
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