NGC 7816

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NGC 7816
NGC7816 - SDSS DR14.jpg
SDSS image of NGC 7816
Observation data (J2000 epoch)
Constellation Pisces
Right ascension 00h 03m 48.8s [1]
Declination 07° 28′ 43″ [1]
Redshift 0.017480/5240 km/s [1]
Distance 217,249,200 ly
Apparent magnitude  (V)13.61 [1]
Characteristics
Type Sbc [1]
Size~ 65,468.34 ly
Apparent size  (V)1.7 x 1.5 [1]
Other designations
CGCG 408-18, IRAS 00012+0712, MCG+1-1-18, PGC 263, UGC 16 [1]

NGC 7816 is a spiral galaxy located about 215 million light-years away [2] in the constellation of Pisces. [3] It was discovered by astronomer William Herschel on September 26, 1785. [4]

Contents

One supernovae has been observed in NGC 7816: SN 2017gww (type II, mag. 17.9) [5]

Pair with NGC 7818

NGC 7816 is listed as being in pair with the galaxy NGC 7818. [4] [6] NGC 7818 is also listed as being a disturbed member of the pair. [4] [7] However, due to the large difference in their recessional velocities, the two galaxies are not a true pair but an optical double. [4]

See also

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NGC 4474 is an edge-on lenticular galaxy located about 50 million light-years away in the constellation Coma Berenices. NGC 4474 was discovered by astronomer William Herschel on April 8, 1784. It is a member of the Virgo Cluster.

<span class="mw-page-title-main">NGC 4503</span> Barred lenticular galaxy in the constellation of Virgo

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<span class="mw-page-title-main">NGC 7838</span> Spiral or lenticular galaxy in the constellation Pisces

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References

  1. 1 2 3 4 5 6 7 "NASA/IPAC Extragalactic Database". Results for NGC 7816. Retrieved 2017-08-10.
  2. ↑ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-08-11.
  3. ↑ Rojas, Sebastián García. "Galaxy NGC 7816 – Galaxy in Pisces Constellation · Deep Sky Objects Browser". DSO Browser. Retrieved 2017-08-11.
  4. 1 2 3 4 "New General Catalog Objects: NGC 7800 – 7840". cseligman.com. Retrieved 2017-08-11.
  5. ↑ Transient Name Server entry for SN 2017gww. Retrieved 24 March 2023.
  6. ↑ "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2017-08-11.
  7. ↑ "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2017-08-11.
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