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Table 2
g magnitude of the stars and signal-to-noise ratio of the mean spectrum at different wavelengths.
| S/N | S/N | S/N | S/N | ||||
| Star | 395 nm | 445 nm | 588 nm | 777 nm | |||
|
|
|||||||
| SDSS | |||||||
| J1114+1828 | 50 | 70 | 60 | 100 | |||
| J1143+2020 | 40 | 60 | 60 | 100 | |||
| J2209–0028 | 17 | 30 | 30 | 48 | |||
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