| Typicality: | 0.250 |
| Saliency: | 0.000 |
| at the lick observatory in california | 3 | location |
| in 1948 | 3 | temporal |
| comet → be discovered by → carl wirtanen | 3 |
| negative | neutral | positive |
| 0.011 | 0.923 | 0.065 |
| Raw frequency | 3 |
| Normalized frequency | 0.000 |
| Modifier score | 0.500 |
| Perplexity | 156.294 |