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Table 1
General data of 2MASS J0249−0557 AB and c.
| Astrometry | AB | c | |
|---|---|---|---|
| RA (J2000) | 02:49:56.39 | 02:49:54.36 | |
| Dec (J2000) | −05:57:35.2 | −05:58:01.5 | |
| Parallax (mas)(a) | 20.5 ± 2.1 | 20.1 ± 3.5 | |
| Distance (pc)(a) |  |
||
| Separation (arcsec)(a) | 0.0444 ± 0.0002′′ | 39.959 ± 0.005′′ | |
| Separation (AU)(a) | 2.17 ± 0.22 | 1950 ± 200 | |
| P.M. (mas yr−1)(a) | (42.9, −30.2) | (46.0, −32.0) | |
| ±(2.0,1.8) | ±2.3,2.1) | ||
| Spectroscopy | |||
| Spectral type | M6(b) | L2.5 ± 0.5 OPT, L3 ± 1 NIR(c) | |
| Li pEW (Å) | 0.59 ± 0.05(b) | ≲5 | |
| Hα pEW (Å) | −11.61 ± 0.1(b) |  (c) |
|
| Photometry | |||
| Gaia g | 15.6894 ± 0.0012 | – | |
| SDSS u | 21.47 ± 0.14 | – | |
| SDSS g | 18.721 ± 0.008 | – | |
| SDSS r | 17.197 ± 0.006 | – | |
| SDSS i | 14.977 ± 0.005 | 20.76 ± 0.13 | |
| SDSS z | 13.754 ± 0.005 | 19.28 ± 0.15 | |
| Pan-STARRS g | 18.419 ± 0.008 | – | |
| Pan-STARRS r | 17.145 ± 0.005 | – | |
| Pan-STARRS i | 14.992 ± 0.004 | 21.36 ± 0.06 | |
| Pan-STARRS z | 13.984 ± 0.004 | 19.92 ± 0.03 | |
| Pan-STARRS y | 13.409 ± 0.004 | 18.93 ± 0.03 | |
| VHS J | 11.9667 ± 0.0007 | 16.531 ± 0.008 | |
| VHS Ks | 11.2535 ± 0.0009 | 14.804 ± 0.009 | |
| 2MASS J | 11.96 ± 0.03 | 16.55 ± 0.11 | |
| 2MASS H | 11.36 ± 0.03 | 15.48 ± 0.13 | |
| 2MASS K | 11.06 ± 0.02 | 14.88 ± 0.12 | |
| WISE w1 | 10.84 ± 0.02 | 14.13 ± 0.03 | |
| WISE w2 | 10.60 ± 0.02 | 13.59 ± 0.04 | |
| WISE w3 | 10.39 ± 0.06 | – | |
Notes. (a) Data from Dupuy et al. (2018). (b)Data from Shkolnik et al. (2017). (c)Data from this work.
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