Terzan 1
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Globular cluster Terzan 1 |
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Scorpio |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 17 h 35 m 47.80 s |
| declination | -30 ° 28 ′ 11.0 ″ |
| Appearance | |
| Brightness (visual) | 15.90 likes |
| Angular expansion | 11.1 ' |
| Physical data | |
| distance | 21.8 kLj |
| Absolute brightness | −4.41 mag |
| Metallicity [Fe / H] | −1.03 |
| history | |
| discovery | Agop Terzan |
| Discovery date | 1966 |
| Catalog names | |
| C 1732-304 • GCl 69 • ESO 455-23 • Cl VDBH 235 • Cl Haute-Provence 2 | |
Terzan 1 is a globular cluster in the constellation Scorpio , about 21,800 light-years away , which was discovered in 1966 by the astronomer Agop Terzan .