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Table 1.

Lupus I core members known from the literature (measurement errors are displayed in parenthesis).

Name α (J2000) δ (J2000) ϖ μα* μδ RV Prob age
(h:m:s) (d:m:s) (mas) (mas/yr) (mas/yr) (km s−1) % Myr
RX J1529.7-3628 15 29 47.26 –36 28 37.41 6.04(0.09) –14.69(0.10) –19.66(0.08) 0.90(0.27) (a) 98.6
IRAS 15334-3411 15 36 39.92 –34 21 42.17 6.89(0.13) –11.80(0.19) –19.84(0.12) 91.6
Sz 65/V* IK Lup 15 39 27.77 –34 46 17.21 6.44(0.05) –13.27(0.12) –22.24(0.07) –2.70(2.00) 98.6 1.9 (b)
Sz 66 15 39 28.28 –34 46 18.09 6.36(0.09) –13.60(0.19) –21.56(0.12) 2.40(1.80) 99.5 3.9 (b)
RX J1539.7-3450A 15 39 46.38 –34 51 02.54 6.40(0.04) –15.25(0.09) –22.33(0.05) 7.17(1.28) (b) 99.6
UCAC4 274-081081 15 48 06.26 –35 15 48.13 6.61(0.09) –12.12(0.19) –22.33(0.13) 97.4
RX J1539.7-3450B 15 39 46.37 –34 51 03.66 6.40(0.13) –13.52(0.26) –20.85(0.13) 98.2
2MASS J15440096-3531056 15 44 00.96 –35 31 05.72 6.45(0.14) –11.49(0.26) –24.07(0.19) 89.3
AKC2006 18 15 41 40.81 –33 45 18.86 6.69(0.35) –18.84(0.33) –22.06(0.27) 9.10(2.30) 95.3 8.3
AKC2006 19 15 44 57.89 –34 23 39.36 6.54(0.14) –18.94(0.089) –22.75(0.06) 9.60(2.10) 97.0 8.0
Sz 68/HT LUP A-B 15 45 12.87 –34 17 30.65 6.49(0.06) –13.63(0.13) –21.60(0.08) –4.3(1.8) 99.1 0.5 (b)
HT Lup C 15 45 12.67 –34 17 29.37 6.55(0.19) –15.43(0.22) –20.27(0.15) 1.2(3.9) (d) 97.8
Sz 69 15 45 17.41 –34 18 28.29 6.47(0.08) –15.05(0.15) –22.15(0.11) 5.40(2.90) 99.6 2.6 (b)
2MASS J15451851-3421246 15 45 18.52 –34 21 24.56 6.59(0.18) –15.14(0.34) –21.77(0.22) 4.40(2.90) 99.7 0.5 (b)
IRAS 15422-3414 15 45 29.78 –34 23 38.81 6.46(0.17) –15.25(0.31) –22.52(0.24) 99.1
RX J1546.6-3618 15 46 41.20 –36 18 47.44 6.69(0.07) –17.38(0.12) –24.29(0.08) 7.20(0.10) (c) 99.8
Sz 71/GW LUP 15 46 44.73 –34 30 35.68 6.41(0.06) –14.03(0.10) –23.36(0.07) –3.30(1.90) 99.0 2.0 (b)
Sz 72/HM LUP 15 47 50.63 –35 28 35.40 6.41(0.05) –14.26(0.09) –23.16(0.06) 6.90(2.40) 99.6 2.9 (b)
Sz 73/THA 15-5 15 47 56.94 –35 14 34.79 6.38(0.06) –14.20(0.11) –22.26(0.07) 5.00(2.20) 99.7 3.7 (b)
GQ LUP/CD-3510525 15 49 12.11 –35 39 05.05 6.59(0.05) –14.26(0.09) –23.59(0.07) –3.60(1.30) 99.4 0.9 (b)
Sz 76 15 49 30.74 –35 49 51.42 6.27(0.05) –12.77(0.11) –23.37(0.08) 1.40(1.00) 99.4 2.3 (b)
Sz 77 15 51 46.96 –35 56 44.11 6.46(0.05) –12.42(0.09) –24.16(0.06) 2.40(1.50) 99.3 3.0 (b)
RX J1556.0-3655 15 56 02.09 –36 55 28.27 6.33(0.04) –11.66(0.07) –22.50(0.05) 2.60(1.20) 99.3 7.8 (b)
2MASS J15443392-3352540 (d) 15 44 33.92 –33 52 54.11 7.48(0.24) –22.03(0.27) –24.92(0.16) 0.9(3.8) 96.3 4.5 (e)
2MASS J15392180-3400195 (d) 15 39 21.81 –34 00 19.56 6.39(0.19) –17.23(0.2) –20.18(0.15) 1.1(3.8) 97.8 7.1 (e)

Notes. The column labeled ‘Prob’ stands for the UCL membership probability percentage of the targets calculated by BANYAN Σ (Gagné et al. 2018a).

(b)

Both RV and age are obtained by Frasca et al. (2017).

(d)

RV for this YSO candidate is the optimal RV determined by BANYAN Σ as a member of UCL.

(e)

Age obtained by Comerón et al. (2013).

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