Open Access
Table 1.
Ingredients from HSC observations.
| Objects | from | # Available | # used in |
|---|---|---|---|
| LRGs | Wide layer | ∼80 000 (after augmentation) | LSNe Ia: |
| (co-added) | (griz) | ∼48 000 | |
| negatives: | |||
| SN in LRGs: ∼28 000 | |||
| Blanks | HSC Transient Survey | g : ∼ 1200 (5 epochs) | all in |
| in COSMOS field | r : ∼ 1200 (9 epochs) | LSNe Ia | |
| (single epoch) | i : ∼ 1400 (12 epochs) | & | |
| z : ∼ 1500 (12 epochs) | negatives | ||
| see Figure 1 for | |||
| the epoch details | |||
| HSC variables | HSC Transient Survey | ∼72 000 (after augmentation) | negatives: |
| from | in COSMOS field | with ‘good’ light curves | ∼28 000 |
| Chao et al. (2021) | (single epoch) | (griz) | |
| Spirals | wide layer | ∼40 000 (unique) | negatives: |
| (co-added) | (griz) | SN in spirals: ∼16 000 | |
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