Trumpler 2
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| Trumpler 2 | |
| AladinLite | |
| Constellation | Perseus |
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Position equinox : J2000.0 |
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|---|---|
| Right ascension | 02 h 36.9 m |
| declination | + 55 ° 55 ′ |
| Appearance
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| Brightness (visual) | 5.9 likes |
| Angular expansion | 20 ' |
| Number of stars | about 150 |
| Brightest star | HD 16068, 7.4 mag |
| Physical data
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| Affiliation | Milky Way |
| history | |
| Catalog names | |
| C 0233 + 557 • OCl 365 • Cr 29 • Lund 88 • | |
Trumpler 2 (abbreviated Tr 2 ) is an open star cluster in the constellation Perseus about 2000 light years away from Earth. It has a magnitude of 5.9 mag, a diameter of 20 arc minutes and, according to recent studies, comprises around 150 stars, the brightest of them reaching 7.4 mag. Trumpler 2 is 1.9 ° west of the star η Persei when viewed from Earth .