NGC 665

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NGC 665
NGC 0665 SDSS.jpg
A SDSS image of NGC 665
Observation data (J2000 epoch)
Constellation Pisces
Right ascension 01h 44m 56.10s [1]
Declination +10° 25 23 [1]
Redshift 0.018079±0.000103 [1]
Distance 236 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. [2] 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]

Contents

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.

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<span class="mw-page-title-main">NGC 498</span> Galaxy in the constellation Pisces

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<span class="mw-page-title-main">NGC 509</span> Galaxy in the constellation Pisces

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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 10 "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.