Random triples
| Subject | Object |
|---|---|
| gptkb:Hercules_X-1 | 0.7 seconds |
| gptkb:Centaurus_X-3 | 4.8 seconds |
| gptkb:Classical_Cepheid | is stable over time |
| gptkb:Cepheid_variables | from a few days to several weeks |
| gptkb:Betelgeuse | approximately 400 days |
| gptkb:Beta_Cephei_variable | a few hours |