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| abstraction > data collection > astronomical catalog > catalog about star systems > galaxy catalog > quasar catalog |
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| quasar catalog comparison table | ||
| Subject | is a kind of | has object type |
|---|---|---|
| galaxy catalog | catalog about star systems | galaxy or nebula (some nebulae are misidentified as galaxies) |
| quasar catalog | galaxy catalog | quasar |
Next galaxy catalog: Shane-Wirtanen catalog Up: galaxy catalog Previous galaxy catalog: Shapley-Ames catalog