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Table 1
Observational circumstances and spectral parameters.
| ID | Date | UT | Prism/grism | texp (s) | Airmass | Solar analog (airm.) | SEPλ | SEPβ | Vis. Slope (%/103 Å) | 0.67 μm band |
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| A | 2012 Dec. 17 | 22:10 | Amici | 4 × 3 | 1.31 | Land115-271 (1.27) | 74.1 | −3.0 | – | – |
| B | 2012 Dec. 18 | 01:05 | Amici | 4 × 3 | 1.00 | Hip9197 (1.01) | 318.3 | −3.1 | – | – |
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| 1 | 2012 Dec. 18 | 02:31 | LR-B+LR-R | 1 + 1 | 1.05 | Hip599932 (1.06) | 261.1 | −3.1 | −1.15 ± 0.29 | 0.6–0.7% |
| 2 | 2012 Dec. 18 | 23:27 | LR-B+LR-R | 1 + 1 | 1.08 | Hyades142 (1.05) | 150.5 | −3.1 | −0.70 ± 0.23 | 0.5–0.6% |
| 3 | 2012 Dec. 19 | 02:34 | LR-B+LR-R | 1 + 1 | 1.06 | Hyades142 (1.05) | 26.8 | −3.2 | −3.18 ± 0.62 | <0.5% |
| 4 | 2013 Jan. 18 | 20:12 | LR-B+LR-R | 1 + 1 | 1.18 | Hip44027 (1.18) | 277.3 | −5.6 | +1.26 ± 0.36 | <0.5% |
| 5 | 2013 Jan. 19 | 20:44 | LR-B+LR-R | 1 + 1 | 1.09 | Hyades64 (1.03) | 23.9 | −5.7 | +0.05 ± 0.42 | <0.5% |
| 6 | 2013 Jan. 20 | 01:43 | LR-B+LR-R | 3 + 5 | 1.35 | Land102-1081 (1.58) | 186.2 | −5.7 | +0.01 ± 0.24 | <0.5% |
Notes. SEPλ and SEPβ are the sub-Earth point longitude and latitude.
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