NGC 840

NGC 840
SDSS image of NGC 840
Observation data (J2000 epoch)
ConstellationCetus
Right ascension02h 10m 16.21932s
Declination+07° 50′ 43.4000″
Redshift0.024143
Heliocentric radial velocity7151 km/s
Distance303.0 Mly (92.90 Mpc)
Apparent magnitude (V)13.42
Apparent magnitude (B)14.30
Characteristics
TypeSB(r)b
Other designations
UGC 1664, MCG +01-06-049, PGC 8293

NGC 840 is a barred spiral galaxy in the constellation Cetus south of the ecliptic. It is estimated to be about 300 million light-years from the Milky Way and has a diameter of approximately 175,000 ly.

See also

References

  1. 1 2 Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051.
  2. 1 2 3 "NGC 840". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-05-24.
  3. 1 2 Tully, R. Brent; Courtois, Hélène M.; Sorce, Jenny G. (2016). "Cosmicflows-3". The Astronomical Journal. 152 (2): 21. arXiv:1605.01765. Bibcode:2016AJ....152...50T. doi:10.3847/0004-6256/152/2/50. S2CID 250737862. 50.
  4. 1 2 "Search specification: NGC 840". HyperLeda. Université Claude Bernard Lyon 1. Retrieved 2020-05-24.
  5. ↑ "Results for object NGC 0840 (NGC 840)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2020-05-24.
  6. ↑ Ford, Dominic. "The galaxy NGC 840 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-03-18.
  7. ↑ "NGC 840". sim-basic. Retrieved 2020-03-18.
  8. ↑ "Revised NGC Data for NGC 840". spider.seds.org. Retrieved 2020-03-18.