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Table 7.
VLBA proper motions of YSOs detected in two or three epochs determined by assuming a trigonometric parallax of ϖ = 2.50 ± 0.35 mas.
| VLBA | Gaia | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Name | SpT | Ndet | RA [2016.0] | Dec [2016.0] | μα* | μδ | ΔVGα | ΔVGδ | ΔVG, total | μα* | μδ | RUWE |
| (deg) | (deg) | (mas yr−1) | (mas yr−1) | (mas) | (mas) | (mas) | (mas yr−1) | (mas yr−1) | ||||
| 2MASS J05414412−0153472 | ... | 3 | 85.43384506(08) | –1.89651549(08) | 0.3 ± 0.2 | −0.0 ± 0.2 | ... | ... | ... | ... | ... | ... |
| Brun 555 | K3 | 2 | 83.81304162(44) | –4.74524606(30) | 18.3 ± 1.2 | 32.5 ± 0.8 | 18.24 ± 0.10 | 34.62 ± 0.07 | 39.13 ± 0.08 | 1.31 ± 0.05 | 0.81 ± 0.04 | 3.5 |
| HD 294264 | B2.5 | 2 | 83.80560958(49) | –4.86248348(44) | 2.6 ± 1.4 | −1.8 ± 1.2 | 0.78 ± 0.12 | −0.68 ± 0.10 | 1.04 ± 0.11 | 1.42 ± 0.04 | −1.44 ± 0.03 | 2.7 |
| 2MASS J05345988−0455272 | ... | 2 | 83.74955618(21) | –4.92422750(15) | 3.7 ± 0.4 | 1.7 ± 0.3 | ... | ... | ... | ... | ... | ... |
| 2MASS J05351956−0517032 | ... | 2 | 83.83153194(41) | –5.28421615(65) | −1.2 ± 0.7 | −1.7 ± 1.1 | 12.46 ± 0.11 | −10.53 ± 0.16 | 16.32 ± 0.14 | 2.27 ± 0.99 | 0.82 ± 0.80 | 1.2 |
| 2MASS J05352349−0520016 a | ... | 2 | 83.84789462(13) | –5.33379943(13) | 1.8 ± 0.2 | 0.5 ± 0.2 | −4.71 ± 0.23 | 3.84 ± 0.20 | 6.08 ± 0.22 | ... | ... | ... |
| JW 286 | K5 | 3 | 83.77618035(06) | −5.36740706(03) | 0.7 ± 0.1 | −0.6 ± 0.1 | 3.84 ± 0.01 | 4.55 ± 0.01 | 5.95 ± 0.01 | 0.70 ± 0.09 | −0.56 ± 0.07 | 0.8 |
| ALMA J053514.6621−052211.277 | ... | 2 | 83.81110509(17) | –5.36980058(14) | −1.3 ± 0.4 | −2.8 ± 0.4 | ... | ... | ... | ... | ... | ... |
| ALMA J053514.8988−052225.416 | ... | 3 | 83.81207696(08) | –5.37372460(04) | −1.4 ± 0.1 | −4.3 ± 0.2 | ... | ... | ... | ... | ... | ... |
| ALMA J053514.5010−052238.674 | ... | 3 | 83.81042269(31) | –5.37741760(28) | 1.6 ± 0.4 | 0.3 ± 0.4 | ... | ... | ... | ... | ... | ... |
| COUP 530 | ... | 3 | 83.80503553(10) | -5.38189009(08) | 0.3 ± 0.2 | −2.3 ± 0.2 | ... | ... | ... | ... | ... | ... |
| COUP 625 | ... | 3 | 83.80973079(05) | –5.38817293(03) | 3.3 ± 0.1 | −0.8 ± 0.1 | ... | ... | ... | ... | ... | ... |
| V* V1326 Ori | K8 | 2 | 83.79070594(09) | –5.39080281(02) | 1.3 ± 0.5 | 0.3 ± 0.3 | −0.34 ± 0.02 | −0.03 ± 0.01 | 0.34 ± 0.01 | 1.20 ± 0.03 | 0.52 ± 0.02 | 1.2 |
| V* LQ Ori | K8 | 2 | 83.79471978(09) | –5.39573739(02) | −4.4 ± 0.4 | −0.7 ± 0.2 | −14.73 ± 0.02 | 27.97 ± 0.01 | 31.61 ± 0.01 | 2.00 ± 0.05 | 0.74 ± 0.04 | 1.7 |
| V* LQ Ori | K8 | 2 | 83.79472640(22) | –5.39574694(10) | −2.1 ± 0.9 | 6.0 ± 0.4 | 9.12 ± 0.05 | −6.40 ± 0.02 | 11.14 ± 0.04 | 2.00 ± 0.05 | 0.74 ± 0.04 | 1.7 |
| 2MASS J05350968–0523558 | ... | 2 | 83.79031399(13) | –5.39886456(10) | −0.3 ± 0.1 | 0.4 ± 0.1 | ... | ... | ... | ... | ... | ... |
| V* V1961 Ori | G9IV | 3 | 83.61390874(12) | –5.40619420(05) | −7.1 ± 0.3 | −1.0 ± 0.1 | −1.02 ± 0.03 | 1.21 ± 0.01 | 1.58 ± 0.03 | −7.29 ± 0.02 | −0.90 ± 0.01 | 1.2 |
| V* KO Ori | A7 | 2 | 83.73534438(19) | –5.52671762(08) | 1.4 ± 0.3 | −1.6 ± 0.1 | −0.14 ± 0.05 | −0.24 ± 0.02 | 0.28 ± 0.02 | 1.01 ± 0.02 | −1.43 ± 0.01 | 1.1 |
Notes.
a
Source with counterpart in Gaia DR3 catalog, but without derived parallax and proper motions.
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