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Table 2

Program stars.

ID ID RA(J2000.0) Dec(J2000.0) V B−V Q SpT S/N Vrad
this work Massey et al. (2007) [h:m:s] [deg:m:s] [km s-1]
OB326C † ⊠ J101053.81−044113.0 10:10:53.81 −04:41:13.0 20.688 −0.265 −1.015 O7.5 III((f)) 35 331 ± 20
OB623B † J101104.78−044224.1 10:11:04.78 −04:42:24.1 20.681 −0.234 −1.001 O8 Ib 30 330 ± 40
OB521B J101105.38−044240.1 10:11:05.38 −04:42:40.1 19.459 −0.259 −0.950 O9.5 III−V 55 343 ± 30
OB523B J101106.05−044211.4 10:11:06.05 −04:42:11.4 19.492 −0.231 −1.013 O9.7 I((f)) 54 442 ± 30
OB321A J101100.66−044044.3 10:11:00.66 −04:40:44.3 19.609 −0.248 −0.960 O9.7 I((f)) 47 327 ± 20
OB622A J101102.38−044014.6 10:11:02.38 −04:40:14.6 19.581 −0.099 −0.683 B0 I 47 313 ± 20
OB524B† J101106.03−044209.1 10:11:06.03 −04:42:09.1 20.834 −0.272 −0.907 B0 III 37 301 ± 20
OB222C J101055.35−044106.1 10:10:55.35 −04:41:06.1 19.067 −0.171 −1.007 B1 I 90 247 ± 20
OB421A J101059.21−043948.1 10:10:59.21 −04:39:48.1 19.329 −0.192 −0.880 B1 I 32 378 ± 40
OB422C† J101054.62−044103.0 10:10:54.62 −04:41:03.0 19.739 −0.218 −0.942 B1 I 38 312 ± 30
OB323C J101054.08−044111.5 10:10:54.08 −04:41:11.5 19.487 −0.217 −0.875 B1 III 78 310 ± 20
OB221 J101058.27−044257.8 10:10:58.27 −04:42:57.8 19.176 −0.074 −0.706 B2.5 I 49 301 ± 20
OB324A, †, ⊠ J101059.13−044051.0 10:10:59.13 −04:40:51.0 20.486 −0.069 −0.412 B8 II 38 326 ± 20
OB121B J101106.02−044214.2 10:11:06.02 −04:42:14.2 18.771 0.054 −0.277 B8 II 47 335 ± 30
OB122C J101054.89−044112.1 10:10:45.89 −04:41:12.1 18.480 −0.010 −0.529 B9 I 54 322 ± 30
OB525B† J101106.38−044155.9 10:11:06.38 −04:41:55.9 20.519 −0.043 −0.155 A0 II 31 352 ± 10
OB625B, † J101104.58−044213.0 10:11:04.58 −04:42:13.0 20.668 0.267 −0.274 A5 II 22 302 ± 30
OB621B⋆ J101104.97−044233.8 10:11:04.97 −04:42:33.8 17.477 0.174 −0.188 F5 I 57 320 ± 10

Notes. Identification numbers, coordinates and photometry by Massey et al. (2007) are also provided. The spectral types (SpT) and radial velocities were derived in this work. The radial velocities are provided in the heliocentric standard of rest. The S/N is given per resolution element.

(A,B,C)

The star is located in one of the three regions of star formation of Sextans A.

(†)

Extra stars (not primary program stars) included in the slit.

(⊠)

Off-slit stars.

(⋆)

Star presented in Kaufer et al. (2004).

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