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Table A.1

Spectroscopically observed massive stars in W49.

Source ID RA(J2000) Dec (J2000) J H K Class Date
(h m s) (°′′) (mag) (mag) (mag) yyyy-mm-dd

1 MOS08Klt135(VMS) 19 10 17.4 +09 06 21 16.57 ± 0.18 13.47 ± 0.12 11.93 ± 0.10 Of 2010-05-14, 2004-08-06
2 MOS07Klt135 19 10 21.8 +09 05 03 19.57 ± 0.14 14.89 ± 0.06 12.29 ± 0.29 Of 2010-05-14
3 MOS13Klt135 19 10 11.9 +09 06 58 17.62 ± 0.01 14.42 ± 0.02 12.59 ± 0.01 OB 2010-05-14
4 MOS12Klt135 19 10 16.0 +09 06 14 17.99 ± 0.07 15.15 ± 0.05 12.69 ± 0.01 YSO 2010-05-14
5 MOS13Klt1407 19 10 17.7 +09 06 21 17.13 ± 0.02 14.25 ± 0.05 12.86 ± 0.05 OB 2011-04-11, 2011-05-13
2004-08-06, 2004-08-04
6 MOS20Klt135 19 10 14.9 +09 06 49 16.49 ± 0.01 14.31 ± 0.02 13.16 ± 0.01 foreground 2010-05-14
7 MOS11Klt135 19 10 16.5 +09 06 03 17.30 ± 0.05 14.60 ± 0.02 13.17 ± 0.04 OB 2010-05-14, 2004-08-07
8 MOS07Klt1412 19 10 11.6 +09 07 06 18.81 ± 0.07 15.36 ± 0.07 13.51 ± 0.06 OB 2011-04-11, 2011-05-13
2004-08-04, 2004-08-05
9 MOS07Klt145m2r 19 10 16.6 +09 06 19 17.96 ± 0.02 15.15 ± 0.02 13.60 ± 0.02 OB 2011-05-11, 2011-05-13, 2004-08-06
10 MOS08Klt145m2 19 10 17.3 +09 06 19 13.69 ± 0.99 OB 2011-05-11, 2011-05-13
11 MOS16Klt145 19 10 18.7 +09 05 56 18.22 ± 0.10 15.28 ± 0.02 13.74 ± 0.05 OB 2011-05-08
12 MOS14Klt145 19 10 16.9 +09 06 10 18.35 ± 0.07 15.32 ± 0.04 13.77 ± 0.02 OB 2011-05-08
13 MOS12Klt145m2r 19 10 12.7 +09 05 25 17.24 ± 0.02 14.94 ± 0.03 13.87 ± 0.01 foreground 2011-05-11, 2011-05-13
14 MOS10Klt1411 19 10 17.4 +09 07 01 18.20 ± 0.03 15.41 ± 0.01 13.87 ± 0.01 OB 2011-04-11, 2011-05-13
15 MOS12Klt15 19 10 19.0 +09 06 23 - 16.46 ± 0.08 14.01 ± 0.05 Of 2011-05-14, 2011-05-15
16 MOS19OBS45left 19 10 17.5 +09 06 22 18.79 ± 0.11 15.69 ± 0.08 14.09 ± 0.12 Brγ abs 2010-06-09, 2010-06-10
17 MOS07Klt15 19 10 17.3 +09 06 13 18.18 ± 0.09 15.47 ± 0.08 14.12 ± 0.07 OB 2011-05-14, 2011-05-15
18 MOS19OBS45mid 19 10 17.5 +09 06 23 18.81 ± 0.08 15.80 ± 0.05 14.14 ± 0.07 OB 2010-06-09, 2010-06-10
19 MOS11Klt145m2 19 10 21.9 +09 05 03 19.64 ± 0.30 16.01 ± 0.10 14.15 ± 0.11 Brγ abs 2011-05-11, 2011-05-13
20 MOS19OBS45right 19 10 17.5 +09 06 24 19.21 ± 0.14 16.02 ± 0.04 14.34 ± 0.12 Brγ abs 2010-06-09, 2010-06-10
21 MOS16Klt15 19 10 12.8 +09 07 02 20.41 ± 0.16 17.07 ± 0.04 14.62 ± 0.06 YSO 2011-05-14, 2011-05-15
22 MOS09Klt15 19 10 15.9 +09 06 05 20.13 ± 0.06 16.75 ± 0.08 14.70 ± 0.14 Brγ abs 2011-05-14, 2011-05-15

Notes.

(†)

Stars also observed by ISAAC/VLT (PI: N. Homeier, Program ID: 073.D-0837).

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