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| abstraction > data collection > astronomical catalog > radio source catalog > Cambridge catalog |
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| Cambridge catalog comparison table | ||
| Subject | is a kind of | has definition |
|---|---|---|
| radio source catalog | astronomical catalog | |
| Cambridge catalog | radio source catalog | The results of five intensive radio-astronomical surveys (1C, 2C, 3C, 4C and 5C) under the direction of Sir Martin Ryle and Anthony Hewish, during the l950s, 1960s and 1970s, at Cambridge. |