Messier 52
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| AladinLite | |
| Constellation | Cassiopeia |
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Position equinox : J2000.0 |
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|---|---|
| Right ascension | 23 h 24.8 m |
| declination | + 61 ° 35 ′ |
| Appearance
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| classification | I, 2, r (Trumpler), e (Shapley) |
| Brightness (visual) | 7.3 likes |
| Angular expansion | 13 ' |
| Number of stars | 193 |
| Brightest star | 7.77 likes |
| Physical data
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| Redshift | ≈ −130 · 10 −6 |
| Radial velocity | ≈ −40 km / s |
| distance | 5000 ly (1500 pc ) |
| diameter | 19 ly |
| Age | 35 million years |
| history | |
| Discovered by | Charles Messier |
| Discovery time | September 7, 1774 |
| Catalog names | |
| M 52 • NGC 7654 • C 2322 + 613 • OCl 260 • Mel 243 • Cr 455 • Lund 1034 • OCISM 57 | |
Messier 52 (also known as NGC 7654 ) is a +7.3 mag bright open star cluster with an angular extent of 13 ′ in the constellation Cassiopeia . It is located around 4600 light years from the Sun, its age is estimated at 60 million years, which makes this object one of the younger clusters of its kind. In total, it comprises around 1000 solar masses and more than 600 stars.
The common name of this star cluster is Cassiopeia salt and pepper .
Web links
- Spektrum.de : Amateur recordings [1] [2] [3]
Individual evidence
- ↑ a b SIMBAD
- ↑ a b c d e f g h Messier 52 at SEDS
- ↑ Seligman
- ↑ SuW 10.2016 p. 66f
- ↑ Messier 52 - the salt and pepper star cluster in Kassiopeia on capella.lima-city.de, accessed on May 6, 2013.
