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| abstraction > data collection > astronomical catalog > radio source catalog > Cambridge catalog |
| Cambridge catalog | ||||
| subject | fact | |||
| Cambridge catalog | has definition 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. | ![]() |
| is a kind of radio source catalog | ![]() |