NGC 806

NGC 806
NGC 806 (SDSS)
Observation data (J2000.0 epoch)
ConstellationCetus
Right ascension02h 03m 31.15s
Declination−09° 56′ 00.15″
Redshift0.013156
Heliocentric radial velocity3944 ± 9 km/s
Distance166 Mly
Apparent magnitude (V)14.10
Apparent magnitude (B)14.80
Characteristics
TypeScd pec? HII
Apparent size (V)1.2 x 0.4
Other designations
PGC 7835, MCG -2-6-21

NGC 806 is a spiral galaxy approximately 166 million light-years away from Earth in the constellation Cetus. It was discovered by American astronomer Lewis A. Swift on November 1, 1886 with the 16" refractor at Warner Observatory.

Interaction with galaxy PGC 3100716

NGC 806 and PGC 3100716 (SDSS)

NGC 806 and PGC 3100716 form a pair of galaxies in gravitational interaction. These two galaxies are either colliding or are the result of a collision.

PGC 3100716 is a spiral galaxy with an apparent size of 0.09 by 0.08 arcmin. It was not included in the original version of the New General Catalogue, and was later added as NGC 806-2.

See also

References

  1. 1 2 3 4 5 6 7 8 "NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved November 29, 2017.
  2. ↑ An object's distance from Earth can be determined using Hubble's law: v=Ho is Hubble's constant (70±5 (km/s)/Mpc). The relative uncertainty Δd/d divided by the distance is equal to the sum of the relative uncertainties of the velocity and v=Ho
  3. 1 2 3 "Revised NGC Data for NGC 806". spider.seds.org. Retrieved December 9, 2017.
  4. ↑ "Data for NGC 806". www.astronomy-mall.com. Retrieved December 9, 2017.
  5. ↑ "Celestial Atlas". cseligman.com. Archived from the original on November 19, 2017. Retrieved December 2, 2017.