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| physical object > natural object > celestial body > collection of stars > association > T association |
| T association | ||||
| subject | fact | |||
| T association | has definition Association containing many T Tauri stars. About 20 are known. | ![]() |
| is a kind of association | ![]() | |
| association | has most luminous member | ![]() |
| collection of stars | has number of stars | ![]() |
| has catalog catalog about star systems | ![]() | |
| celestial body | has spectra | ![]() |
| 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 | ![]() |