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.

According to A.M. Garcia, NGC 665 is a member of the NGC 673 Group (also known as LGG 31). This group contains at least 17 galaxies, including IC 156, IC 162, NGC 673, NGC 677, NGC 683, and 11 galaxies from the UGC catalogue. [4]

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<span class="mw-page-title-main">NGC 499</span> Galaxy in the constellation Pisces

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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 679</span> Galaxy in the constellation Andromeda

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<span class="mw-page-title-main">NGC 687</span> Galaxy in constellation Andromeda

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<span class="mw-page-title-main">NGC 700</span> Galaxy in constellation Andromeda

NGC 700 is a lenticular galaxy located 200 million light-years away in the constellation Andromeda. NGC 700 was discovered by astronomer Bindon Stoney on October 28, 1850. It is also a member of Abell 262.

<span class="mw-page-title-main">NGC 704</span> Galaxy in the constellation Andromeda

NGC 704 is a lenticular galaxy located 220 million light-years away in the constellation Andromeda. The galaxy was discovered by astronomer William Herschel on September 21, 1786 and is also a member of Abell 262.

<span class="mw-page-title-main">NGC 705</span> Galaxy in the constellation Andromeda

NGC 705 is a lenticular galaxy located 240 million light-years away in the constellation Andromeda. The galaxy was discovered by astronomer William Herschel on September 21, 1786 and is also a member of Abell 262.

<span class="mw-page-title-main">NGC 709</span> Galaxy in the constellation Andromeda

NGC 709 is a lenticular galaxy located 150 million light-years away in the constellation Andromeda. It was discovered by the Irish engineer and astronomer Bindon Blood Stoney on October 28, 1850 and is a member of the galaxy cluster Abell 262.

<span class="mw-page-title-main">NGC 712</span> Galaxy in constellation Andromeda

NGC 712 is a lenticular galaxy located 230 million light-years away in the constellation Andromeda. It was discovered by astronomer John Herschel in October 1828 and is a member of Abell 262.

<span class="mw-page-title-main">NGC 714</span> Galaxy in constellation Andromeda

NGC 714 is a lenticular galaxy located 190 million light-years away in the constellation Andromeda. The galaxy was discovered by astronomer Bindon Blood Stoney on October 28, 1850 and is a member of Abell 262.

<span class="mw-page-title-main">NGC 717</span> Galaxy in constellation Andromeda

NGC 717 is a lenticular galaxy located 210 million light-years away in the constellation Andromeda. The galaxy was discovered by astronomer Bindon Blood Stoney on October 28, 1850 and is a member of Abell 262.

<span class="mw-page-title-main">NGC 7836</span> Galaxy in the constellation Andromeda

NGC 7836 is an irregular spiral galaxy located about 260 million light-years away in the constellation Andromeda. It was discovered by the astronomer Lewis Swift on September 20, 1885.

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.
  4. ↑ Garcia, A. M. (1993). "General study of group membership. II. Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47. Bibcode:1993A&AS..100...47G.
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