| Typicality: | 0.403 |
| Saliency: | 0.358 |
| in near-infrared light | 2 | location |
| like pérez-torres | 2 | other |
| in 1987 | 2 | temporal |
| astronomer → study → supernovae | 6 |
| astronomer → search for → supernovae | 4 |
| astronomer → find → supernovae | 3 |
| astronomer → spot → the supernova | 3 |
| negative | neutral | positive |
| 0.077 | 0.686 | 0.237 |
| Raw frequency | 16 |
| Normalized frequency | 0.358 |
| Modifier score | 0.500 |
| Perplexity | 16.717 |