Table 1.
Ultracool dwarfs in the sample.
| No. | Obsid | RA | Dec | SpT1 | Source_id | ϖ | Δϖ | μαcosδ | Δμαcosδ | μδ | Δμδ | RUWE | G | GBP | GRP | SpT2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (deg) | (mas) | (mas yr−1) | (mas yr−1) | (mag) | ||||||||||||
| 1 | 369905116 | 0.29067 | 7.30335 | dM7 | 2745889793400449280 | 25.43 | 0.15 | 135.18 | 0.19 | −78.93 | 0.09 | 1.461 | 16.333 | 18.274 | 14.390 | – |
| 2 | 472904167 | 0.64809 | 17.48399 | dM6 | 2772949702272966144 | – | – | – | – | – | – | – | 16.756 | 18.395 | 14.938 | – |
| 3 | 474610041 | 0.77652 | 39.20759 | dM6 | 2881030840586539264 | 15.91 | 0.06 | 68.35 | 0.04 | −56.65 | 0.04 | 1.009 | 16.574 | 18.716 | 15.222 | – |
| 4 | 592310145 | 1.82317 | 36.46536 | dM6 | 2877146781401666816 | 14.19 | 0.07 | 16.77 | 0.08 | −38.87 | 0.05 | 1.112 | 16.692 | 18.702 | 15.374 | – |
| 5 | 593009044 | 2.23202 | 49.31638 | dM6 | 393621524910343296 | 67.76 | 0.04 | 352.67 | 0.03 | 202.42 | 0.03 | 1.103 | 14.385 | 16.769 | 12.998 | – |
| 6 | 472906086 | 2.45851 | 17.15581 | dM6 | 2772737844422061440 | 28.13 | 0.07 | −6.68 | 0.10 | −77.52 | 0.08 | 1.005 | 16.340 | 18.788 | 14.941 | – |
| 7 | 354310106 | 4.60190 | 36.47204 | dM6 | 2876595273240771840 | 20.78 | 0.05 | 174.36 | 0.04 | −206.20 | 0.05 | 1.003 | 16.127 | 18.178 | 14.791 | – |
| 8 | 284610069 | 5.12607 | 33.08272 | dM7 | 2863419584886542080 | 81.57 | 0.04 | 1075.61 | 0.04 | −863.67 | 0.04 | 1.052 | 13.935 | 16.400 | 12.538 | – |
| 9 | 372110218 | 5.42199 | 36.32373 | dM6 | 378382770487254912 | 10.47 | 0.11 | −73.46 | 0.10 | −26.90 | 0.10 | 1.726 | 16.640 | 18.522 | 15.275 | – |
| 10 | 614109230 | 6.12484 | 36.83748 | dM6 | 378467643336605056 | 30.63 | 0.05 | −132.67 | 0.04 | −14.74 | 0.04 | 1.046 | 15.703 | 17.855 | 14.356 | – |
| ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ |
Notes. Column 1: running number. Column 2: LAMOST obsid. Columns 3,4: Right ascension (RA) and declination (Dec). Column 5: LAMOST spectral type. Column 6: GEDR3 source_id. Columns 7–12: parallax, proper motion in RA and Dec directions, and the corresponding uncertainty. Column 13: RUWE from GEDR3. Columns 14–16: Gaia GBP and RP magnitudes. Column 17: SpT from the literature according to SIMBAD. The electronic version of this table in entirety is available at http://paperdata.china-vo.org/YFW/aa_table1.csv and at the CDS.
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