Table 2.
New ultracool dwarfs in the Gaia DR2 20 pc sample without SIMBAD identification.
| Gaia DR2 | RA | DE | Plx | pmRA | pmDE | MG | G − RP | MJ | MH | MKs | Phot. | vtan | Q |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| identifier | SpT | ||||||||||||
| (°) | (°) | (mas) | (mas yr−1) | (mas yr−1) | (mag) | (mag) | (mag) | (mag) | (mag) | (km s−1) | |||
| GaiaDR2 3195979005694112768 | 63.195222 | −7.571338 | 59.69 ± 0.34 | +407.80 ± 0.46 | −429.58 ± 0.29 | 17.41 | 1.64 | − | 10.92 | 10.80 | L1.0 ± 1.0 | 47 | B |
| GaiaDR2 3432218798435750016(e) | 95.821390 | +26.524936 | 48.56 ± 0.71 | −7.68 ± 1.81 | −131.87 ± 1.97 | 18.18 | 1.71 | 13.10 | 11.97 | 11.30 | L4.5 ± 2.5 | 13 | D |
| GaiaDR2 2923887295576778496 | 100.105867 | −23.872644 | 49.89 ± 0.73 | +191.54 ± 0.87 | −134.23 ± 1.52 | 18.88 | 1.75 | 13.56 | 12.58 | 11.93 | L5.5 ± 1.0 | 22 | B |
| GaiaDR2 3106548406384807680(e),(h) | 100.903030 | −2.387939 | 71.92 ± 1.38 | +28.28 ± 2.34 | −221.22 ± 2.48 | 19.96 | 1.93 | 14.77 | 13.66 | 12.91 | L9.0 ± 2.0 | 15 | D |
| GaiaDR2 5535283658436274944(e) | 113.536854 | −43.506480 | 48.25 ± 0.84 | −39.14 ± 1.81 | +151.66 ± 2.01 | 19.14 | 1.86 | 13.98 | 13.00 | 12.43 | L6.5 ± 1.0 | 15 | B |
| GaiaDR2 5424690587034891264(e),(f) | 143.353445 | −43.893269 | 57.03 ± 0.10 | −190.58 ± 0.18 | +162.25 ± 0.17 | 14.20 | 1.48 | 10.32 | 9.66 | 9.30 | M6.5 ± 1.0 (a) | 21 | A |
| GaiaDR2 5424690587034982144(e),(f) | 143.358169 | −43.892756 | 56.91 ± 0.10 | −196.75 ± 0.17 | +165.15 ± 0.16 | 14.14 | 1.48 | 10.26 | 9.61 | 9.21 | M6.5 ± 1.5 (a) | 21 | A |
| GaiaDR2 5432670704985289088 | 145.874266 | −38.566282 | 77.72 ± 0.09 | −95.11 ± 0.13 | −161.64 ± 0.15 | 14.19 | 1.46 | 10.35 | 9.82 | 9.48 | M6.5 ± 1.5 (a) | 11 | A |
| GaiaDR2 5229173470875537664 | 157.802139 | −73.385923 | 54.09 ± 0.13 | +39.63 ± 0.23 | −59.37 ± 0.21 | 15.94 | − | 11.47 | 10.90 | 10.42 | M9.5 ± 1.0 | 6 | E |
| GaiaDR2 3460907947316392704 | 179.858244 | −36.581076 | 50.45 ± 0.27 | +78.84 ± 0.31 | −140.94 ± 0.20 | 15.87 | 1.68 | 11.07 | 10.35 | 9.82 | L0.0 ± 1.0 | 15 | D |
| GaiaDR2 1477762323724646272(g) | 214.942956 | +31.619184 | 52.65 ± 0.10 | +104.21 ± 0.17 | −21.29 ± 0.17 | 14.07 | 1.46 | 10.30 | 9.70 | 9.36 | M6.5 ± 1.5 (a) | 10 | A |
| GaiaDR2 6031367499416648192(e) | 252.101014 | −29.219946 | 50.00 ± 0.76 | −62.37 ± 1.47 | −115.01 ± 0.69 | 18.50 | 1.70 | 13.30 | 12.29 | 11.63 | L4.5 ± 1.5 | 12 | B |
| GaiaDR2 4169232338868860160 | 262.863382 | −7.997935 | 54.17 ± 0.17 | +40.76 ± 0.28 | −227.52 ± 0.26 | 15.20 | − | 10.93 | 10.25 | 9.82 | M8.5 ± 0.5 (a) | 20 | E |
| GaiaDR2 4171383636445972096 | 271.776456 | −6.430673 | 53.40 ± 0.47 | +124.01 ± 0.48 | −206.12 ± 0.38 | 16.26 | 1.63 | 11.63 | 10.98 | 10.49 | L0.0 ± 0.5 | 21 | B |
| GaiaDR2 4159791176135290752 | 277.826216 | −7.540994 | 54.00 ± 0.40 | +136.96 ± 0.72 | −154.84 ± 0.67 | 15.89 | 1.71 | 11.16 | 10.36 | 9.86 | L0.0 ± 1.5 | 18 | C |
| GaiaDR2 4283084190940885888 | 279.045710 | +3.257012 | 54.59 ± 0.85 | +256.58 ± 1.37 | +175.69 ± 1.58 | 18.54 | − | 13.48 | 12.56 | 11.92 | L5.0 ± 1.0 | 27 | E |
| GaiaDR2 4206320171755704320 | 286.529838 | −5.251398 | 49.12 ± 0.61 | +223.82 ± 0.71 | −45.20 ± 0.59 | 15.88 | 1.64 | 11.37 | 10.72 | 10.27 | M9.5 ± 0.5 | 22 | D |
| GaiaDR2 6759481141756109056 | 290.376628 | −29.262960 | 66.67 ± 0.22 | +512.18 ± 0.30 | +250.76 ± 0.26 | 14.68 | 1.53 | 10.57 | 9.97 | 9.56 | M7.5 ± 1.0 (a) | 41 | A |
| GaiaDR2 2034222547248988032 | 298.988643 | +32.255061 | 59.34 ± 0.93 | −381.90 ± 1.54 | −560.21 ± 1.49 | 19.14 | − | 14.14 | 13.20 | 12.60 | L6.5 ± 2.0 | 54 | E |
Notes.
GaiaDR2 5424690587034891264 and GaiaDR2 5424690587034982144 form a CPPM pair (angular separation ≈12.4 arcsec), as also found by Knapp & Nanson (2019).
CPPM with the known M4 dwarf UCAC3 244−106602 (angular separation ≈9 arcsec).
Already discovered in Gaia DR2 and classified as L8 by Mamajek et al. (2018).
Other notes and footnotes as given for Table 1.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.