Proper motions of cool and ultracool candidate members in the Upper Scorpius OB association

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Volume 504 / No 3 (September IV 2009)

A&A, 504 3 (2009) 981-990

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Table 4:

Sample of Upper Scorpius objects with a counterpart in the UCAC2 catalogue only.
Name	RA	Dec	SpT	R	$W(\rm H\alpha)$	r	$\mu_{\alpha} \cos \delta$	$\mu_{\delta}$	Prob.
	(J2000)	(J2000)		[mag]	[Å]	[ $^{\prime \prime }$ ]	[mas yr^-1]	[mas yr^-1]	[%]
USco-155655.5-225839	15 56 55.5	-22 58 39	M0	13.1	-1.9	1.533	-11.8 $\pm$ 4.6	-21.5 $\pm$ 4.6	99.9
USco-160132.9-224231	16 01 32.9	-22 42 31	M0	14.6	-1.4	0.957	-9.9 $\pm$ 4.6	-8.5 $\pm$ 4.6	99.5
USco-160142.6-222923^a	16 01 42.6	-22 29 23	M0	13.5	-0.6	1.332	-50.1 $\pm$ 8.8	-54.2 $\pm$ 8.8	$\ll$ 0.1
USco-160325.6-194438^a	16 03 25.6	-19 44 38	M2	15.4	-1.4	0.578	-49.7 $\pm$ 8.8	33.4 $\pm$ 8.9	$\ll$ 0.1
USco-160428.4-190441	16 04 28.4	-19 04 41	M3	13.5	-5.0	0.567	-3.1 $\pm$ 8.7	-17.2 $\pm$ 8.8	99.8
USco-160528.5-201037	16 05 28.5	-20 10 37	M1	14.1	-1.9	0.915	-6.9 $\pm$ 8.7	-24.0 $\pm$ 8.6	99.9
USco-160545.4-202308	16 05 45.4	-20 23 08	M2	14.4	-35.0	1.033	9.5 $\pm$ 9.6	-2.4 $\pm$ 9.1	77.9
USco-160647.5-202232	16 06 47.5	-20 22 32	M2	13.9	-3.2	0.212	-29.7 $\pm$ 8.8	-10.7 $\pm$ 8.8	95.4
USco-160707.7-192715	16 07 07.7	-19 27 15	M2	14.0	-5.0	1.268	-7.3 $\pm$ 8.6	-28.7 $\pm$ 8.6	99.9
USco-160726.8-185521^a,b	16 07 26.8	-18 55 21	M1	14.1	-1.9	0.128	-3.3 $\pm$ 8.8	15.8 $\pm$ 9.2	0.4
USco-160801.4-202741	16 08 01.4	-20 27 41	K8	12.8	-2.3	0.667	-13.2 $\pm$ 8.8	-31.3 $\pm$ 8.8	99.8
USco-160801.5-192757	16 08 01.5	-19 27 57	M4	14.0	-3.6	1.234	-20.9 $\pm$ 8.7	-12.8 $\pm$ 9.1	99.5
USco-160804.3-194712	16 08 04.3	-19 47 12	M4	14.0	-5.2	0.647	-8.4 $\pm$ 8.8	-3.0 $\pm$ 8.8	97.7
USco-160818.4-190059	16 08 18.4	-19 00 59	M3	14.1	-3.7	0.644	3.3 $\pm$ 9.0	-25.8 $\pm$ 8.8	99.8
USco-160845.6-182443^a	16 08 45.6	-18 24 43	M3	13.7	0.5	1.780	-37.5 $\pm$ 8.9	-66.3 $\pm$ 8.7	$\ll$ 0.1
USco-160903.9-193944	16 09 03.9	-19 39 44	M4	14.6	-7.2	1.891	-7.6 $\pm$ 8.9	-34.8 $\pm$ 9.0	99.8
USco-160913.4-194328	16 09 13.4	-19 43 28	M3	14.9	-1.6	0.183	-2.4 $\pm$ 9.1	-29.4 $\pm$ 9.0	99.8
USco-160954.4-190654	16 09 54.4	-19 06 54	M1	13.5	-3.1	1.051	-15.0 $\pm$ 8.8	-15.3 $\pm$ 8.8	99.8
USco-161021.5-194132^a	16 10 21.5	-19 41 32	M3	14.0	-4.3	0.386	15.7 $\pm$ 8.9	21.8 $\pm$ 9.0	$\ll$ 0.1
USco-161024.7-191407	16 10 24.7	-19 14 07	M3	14.9	-3.7	0.678	-13.5 $\pm$ 8.7	-29.9 $\pm$ 8.9	99.9
USco-161043.9-192225	16 10 43.9	-19 22 25	M3	14.0	-2.3	0.906	-4.5 $\pm$ 8.7	-31.2 $\pm$ 8.7	99.8
USco-161420.2-190648	16 14 20.2	-19 06 48	K5	13.2	-52.0	1.462	3.4 $\pm$ 13.4	-34.6 $\pm$ 12.4	99.6

^a Object classified as candidate interloper ( $\mathcal{P}$ < 0.1% within the uncertainties, see Fig. 3); ^b resolved as a visual multiple system and discarded from the list of outlier candidates.
Note. All the objects come from Preibisch et al. (2002) sample. r is the distance between the object and its closest UCAC2 counterpart. The membership probability is indicated in the last column.

Source LaTeX | All tables | In the text

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