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Table 2

The first ten entries of the 109 O to B3 star sample.

No.a RA Dec Spec. Vc Bc Uc A V d M log(age) 2MASS
(J2000) (J2000) Typeb mag mag mag mag kpc M yr designation

1 17:16:03.8 –36:18:51.8 B2 V 15.682 ± 0.009 17.596 ± 0.019 18.212 ± 0.062 8.40 ± 0.30 0.90 ± 0.30 8.6 7.3 1 716 0382 –3 618 517
2 17:16:04.3 –36:16:55.2 B2 V 15.880 ± 0.009 17.597 ± 0.019 18.056 ± 0.058 7.71 ± 0.29 1.88 ± 0.81 11.8 7.1 1 716 0431 –3 616 548
3 17:16:29.5 –36:20:56.2 B3 16.286 ± 0.011 18.057 ± 0.023 18.554 ± 0.067 7.69 ± 0.31 1.11 ± 0.82 6.4 7.6 1 716 2955 –3 620 558
4 17:16:35.0 –36:27:36.7 B2 V 15.168 ± 0.006 16.530 ± 0.010 16.804 ± 0.029 6.25 ± 0.21 1.91 ± 0.64 8.6 7.3 1 716 3510 –3 627 367
5 17:16:53.5 –36:19:22.4 B2 V 15.534 ± 0.008 16.909 ± 0.014 17.215 ± 0.036 6.30 ± 0.23 2.20 ± 0.74 8.6 7.3 1 716 5359 –3 619 225
6 17:17:00.5 –36:13:36.0 B3 Ia 14.887 ± 0.006 17.285 ± 0.015 18.304 ± 0.052 9.82 ± 0.31 2.64 ± 1.12 24.5 6.8 1 717 0051 –3 613 362
7 17:17:01.4 –36:22:01.6 B2 V 15.988 ± 0.010 17.713 ± 0.021 18.209 ± 0.063 7.66 ± 0.30 1.45 ± 0.48 8.6 7.3 1 717 0147 –3 622 014
8 17:17:02.4 –36:20:05.0 B2 V 15.657 ± 0.009 17.044 ± 0.015 17.432 ± 0.044 6.35 ± 0.24 2.28 ± 0.76 8.6 7.3 1 717 0247 –3 620 049
9 17:17:11.4 –36:19:39.5 B2 V 16.083 ± 0.010 17.494 ± 0.018 17.900 ± 0.055 6.44 ± 0.26 2.66 ± 0.89 8.6 7.3 1 717 1143 –3 619 393
10 17:17:18.5 –36:21:38.6 B3 V 14.846 ± 0.006 16.084 ± 0.010 16.417 ± 0.028 5.61 ± 0.19 1.49 ± 0.60 6.4 7.6 1 717 1858 –3 621 384
etc...

Notes. Full table is available at the CDS. ;

(a)

Stars with an X-Ray counterpart are indicated with an asterisk

(b)

stars with no luminosity class are classified from the red part of their spectrum (we assume they are dwarf stars);

(c)

UBV photometry is from Russeil et al. (2012).

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