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| physical object > artifact > device > instrument > optical device > detector > bolometer | 
| bolometer | ||||
| subject | fact | |||
| bolometer | has definition A device for measuring the total amount of radiant energy received from a celestial object. | ![]()  | 
| is a kind of detector | ![]()  | |
| instrument | has operator | ![]()  | 
| artifact | has creator | ![]()  | 
| has creation date | ![]()  | |
| has purpose | ![]()  | |
| has owner | ![]()  | |
| physical object | has location or center of gravity | ![]()  | 
| has angular momentum | ![]()  | |
| has mass | ![]()  | |
| has velocity | ![]()  | |
| has momentum | ![]()  | |
| has temperature | ![]()  | |
| has volume | ![]()  | |
| has extent | ![]()  | |
| has material | ![]()  |