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Table 2
Observation log for 2MASS J0249−0557 c.
| Obs. date | Telesc/Instrum | Mode | Grating/ | Wavelength | Slit | Pl. Scale | Disp. | Res. | Exp. | Airmass | Seeing |
|---|---|---|---|---|---|---|---|---|---|---|---|
| filter | range (μm) | (′′) | (′′/pix) | (Å∕pix) | power | time (s) | (′′) | ||||
| 11 Sep. 2016 | VISTA/VIRCAM | Img | J, Ks | – | – | 0.34 | – | – | 8 × 15, 8 × 7.5 | 1.1 | 0.9 |
| 21 Jun. 2018 | NTT/SofI | Spec | GR | 1.53–2.52 | 1 | 0.29 | 10.22 | 600 | 4 × 300 | 1.4–1.5 | 0.9 |
| 21 Jun. 2018 | NTT/SofI | Spec | GB | 0.95–1.64 | 1 | 0.29 | 6.96 | 600 | 4 × 600 | 1.6–1.8 | 0.9 |
| 4 Nov. 2018 | NTT/SofI | Spec | GR | 1.53–2.52 | 1 | 0.29 | 10.22 | 600 | 4 × 300 | 1.2–1.3 | 0.6 |
| 4 Nov. 2018 | NTT/SofI | Spec | GB | 0.95–1.64 | 1 | 0.29 | 6.96 | 600 | 4 × 600 | 1.1–1.2 | 0.6 |
| 27 Jan. 2019 | GTC/OSIRIS | Spec | R500R | 0.48–1.00 | 0.8 | 0.25 | 4.88 | 440 | 4 × 1600 | 1.2–1.4 | 0.7 |
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