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| abstraction > data collection > astronomical catalog > star catalog > Henry Draper catalog |
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| Henry Draper catalog comparison table | ||||
| Subject | has publication date | is a kind of | has number of object | has object propertie |
|---|---|---|---|---|
| star catalog | astronomical catalog | |||
| Henry Draper catalog | 1924 | star catalog | 225300 | position, spectral type and magnitude |
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