Table 4
Apparent magnitudes of WISE J0720 in the Vega system and calibration coefficients.
| Band | Zero point | c1 | c2 | Color | Apparent mag |
|
|
|||||
| B | 25.182 ± 0.103 | 0.06 | 0.0330 | B − V | 20.778 ± 0.140 |
| V | 25.457 ± 0.051 | 0.05 | 0.0730 | B − V | 18.266 ± 0.096 |
| R | 25.648 ± 0.029 | 0.04 | 0.0056 | V − R | 15.838 ± 0.031 |
| i | 24.901 ± 0.035 | 0.00 | 0.0760 | R − i | 14.019 ± 0.035 |
| CMC15 r | 16.850 ± – | ||||
| DENIS I | 13.805 ± 0.02 | ||||
| DENIS J | 10.674 ± 0.06 | ||||
| DENIS KS | 9.399 ± 0.09 | ||||
| 2MASS J | 10.628 ± 0.023 | ||||
| 2MASS H | 9.919 ± 0.024 | ||||
| 2MASS KS | 9.467 ± 0.019 | ||||
| WISE W1 | 9.174 ± 0.023 | ||||
| WISE W2 | 8.860 ± 0.022 | ||||
| WISE W3 | 8.333 ± 0.024 | ||||
| WISE W4 | 7.934 ± 0.212 | ||||
Notes. NIR magnitudes were not derived because the core of the target was registered in the nonlinear regime of the detector. We also list the literature data used for the spectral energy distribution fit: The Carlsberg survey (Evans et al. 2002, release 15; SDSS r filter), DENIS (Epchtein et al. 1997), 2MASS (Skrutskie et al. 2006), and WISE (Wright et al. 2010).
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