NGC 840
Today, NGC 840 is a topic of great importance and interest for a wide spectrum of the population. As our society evolves and faces new challenges, the theme of NGC 840 becomes a focal point for reflection and action. It is a topic that is present in all areas of life, from politics to pop culture, through technology and science. In this article, we will explore different aspects of NGC 840 and its impact on our current society. We will address different perspectives, opinions and research findings to shed light on this topic that is so relevant in the contemporary world.
| NGC 840 | |
|---|---|
 SDSS image of NGC 840 | |
| Observation data (J2000 epoch) | |
| Constellation | Cetus |
| Right ascension | 02h 10m 16.21932s[1] |
| Declination | +07° 50′ 43.4000″[1] |
| Redshift | 0.024143[2] |
| Heliocentric radial velocity | 7151 km/s[2] |
| Distance | 303.0 Mly (92.90 Mpc)[3] |
| Apparent magnitude (V) | 13.42[4] |
| Apparent magnitude (B) | 14.30[4] |
| Characteristics | |
| Type | SB(r)b[5] |
| Other designations | |
| UGC 1664, MCG +01-06-049, PGC 8293[2] | |
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[3] and has a diameter of approximately 175,000 ly.[6][7][8]
See also
References
- ^ a b 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.
- ^ a b c "NGC 840". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-05-24.
- ^ a b 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.
- ^ a b "Search specification: NGC 840". HyperLeda. Université Claude Bernard Lyon 1. Retrieved 2020-05-24.
- ^ "Results for object NGC 0840 (NGC 840)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2020-05-24.
- ^ Ford, Dominic. "The galaxy NGC 840 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-03-18.
- ^ "NGC 840". sim-basic. Retrieved 2020-03-18.
- ^ "Revised NGC Data for NGC 840". spider.seds.org. Retrieved 2020-03-18.
External links
Media related to NGC 840 at Wikimedia Commons
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