NGC 133
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| NGC 133 | |
| AladinLite | |
| Constellation | Cassiopeia |
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Position equinox : J2000.0 |
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|---|---|
| Right ascension | 00 h 31 m 16.9 s |
| declination | + 63 ° 21 ′ 09 ″ |
| Appearance
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| classification | IV1p |
| Brightness (visual) | 9.4 mag |
| Angular expansion | 3 ' |
| Number of stars | 10 to 15 |
| Redness ( excess color E (BV)) | 1.455 |
| Physical data
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| distance | 2500 ly (780 pc ) |
| Age | 10 million years |
| history | |
| Discovered by | Heinrich Louis d'Arrest |
| Discovery time | February 4, 1865 |
| Catalog names | |
| NGC 133 • C 0028 + 630 • OCl 296 • Cr 3 • Lund 17 • GC 5103 • | |
NGC 133 is a type IV1p open star cluster in the constellation Cassiopeia in the northern sky . NGC 133 has an extension of 3.0 'and an apparent magnitude of 9.4 mag.
The star cluster discovered by the German-Danish astronomer Heinrich Louis d'Arrest on February 4, 1865 is rather poor in stars and hardly stands out from the sky background.
Web links
Commons : NGC 133 - collection of images, videos, and audio files
Individual evidence
- ↑ SIMBAD database
- ↑ a b c SEDS
- ↑ NASA / IPAC Extragalactic Database (NED)
- ↑ AL Tadross: A catalog of 120 NGC open star cluster . In: Journal of the Korean Astronomical Society , 44, 2011, pp. 1-11. doi: 10.5303 / JKAS.2011.44.1.1 .
- ↑ Seligman
- ↑ Observation report at www.waa.at