NGC 2020
NGC 2020 is an HII Region surrounding a Wolf-Rayet star[2].
| Emission nebula | |
|---|---|
| H II region | |
 Left NGC 2020 (blue) and right (red) NGC 2014, photo by Hubble Space Telescope Credit: NASA, ESA, and STScI | |
| Observation data: J2000 epoch | |
| Right ascension | 05h 44m 12.7s |
| Declination | −67° 42′ 57″ |
| Constellation | Doradus |
| Designations | GC 1223, ESO 56-148[1] |
The nebula was discovered on 30 December 1836 by John Herschel.[3] Together with NGC 2014 it makes up what is called the Cosmic Reef.[4]
References
- SEDS: NGC 2020
- Y.-H. Chu, K. Weis, D. R. Garnett (1999), "Physical Structure of Small Wolf-Rayet Ring Nebulae", The Astronomical Journal (in German), 117 (3), pp. 1433–1440, arXiv:astro-ph/9812076, Bibcode:1999AJ....117.1433C, doi:10.1086/300777CS1 maint: multiple names: authors list (link) CS1 maint: date and year (link)
- Seligman
- "Cosmic Reef". HubbleSite.org. Retrieved 2020-04-26.
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