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Table 2
Metallicity distribution derived from BOSS spectra of spectrophotometric standards with Teff > 5600 K, 2.5 ≤ log g ≤ 4.4, and g > 17.
| [Fe/H] (bin center) | N | N/Ntotal |
|
|
||
| –4.000 | 1 | 0.0001 |
| –3.833 | 1 | 0.0001 |
| –3.667 | 0 | 0.0000 |
| –3.500 | 5 | 0.0003 |
| –3.333 | 16 | 0.0009 |
| –3.167 | 30 | 0.0017 |
| –3.000 | 65 | 0.0038 |
| –2.833 | 144 | 0.0084 |
| –2.667 | 260 | 0.0151 |
| –2.500 | 521 | 0.0302 |
| –2.333 | 845 | 0.0490 |
| –2.167 | 1525 | 0.0884 |
| –2.000 | 2305 | 0.1336 |
| –1.833 | 3183 | 0.1845 |
| –1.667 | 4459 | 0.2584 |
| –1.500 | 2768 | 0.1605 |
| –1.333 | 828 | 0.0480 |
| –1.167 | 152 | 0.0088 |
| –1.000 | 121 | 0.0070 |
| –0.833 | 21 | 0.0013 |
| –0.667 | 0 | 0.0000 |
| –0.500 | 0 | 0.0000 |
| –0.333 | 0 | 0.0000 |
| –0.167 | 0 | 0.0000 |
| 0.000 | 0 | 0.0000 |
Notes. All metallicity bins are 0.1 dex wide.
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