NGC 1990: Difference between revisions
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Revision as of 16:32, 6 June 2012
| Nebula | |
|---|---|
 NGC 1990 around Alnilam | |
| Observation data: {{{epoch}}} epoch | |
| Right ascension | 05 36.3 |
| Declination | -01 12 |
| Apparent magnitude (V) | ? |
| Apparent dimensions (V) | ? |
| Constellation | Orion |
| Physical characteristics | |
| Radius | ? ly |
NGC 1990 is a Reflection nebula which is a molecular cloud of Epsilon Orionis. The stellar winds from Epsilon Orionis, or Alnilam, distribute the nebula approximately up to 2000 km/s, more than 20 million times that of the stellar winds of the Sun.
References
- "Simbad query". Retrieved October 5, 2009.