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Home All issues Volume 499 / No 1 (May III 2009) A&A, 499 1 (2009) 121-128 Full HTML
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Table 3:

Physical parameters of stars in our FORS2 field.

N.		 RA Dec V V-I R B-R ra S/N $V_{\rm hel}$ Member? Eq. widthb [Fe/H]
  (J2000) (J2000) (1) (1) (2) (2) (arcsec) (Å -1) ( $~{\rm km~s}^{-1}$)   (Å ) dex
1 22 41 48.8 -64 25 20.4 22.48 1.22 21.80 1.85 10.8 16.1 172.0 $\pm$ 9.4 Y 4.11 $\pm$ 0.28 -1.82
2 22 41 47.3 -64 25 19.5 22.53 1.57 21.62 2.29 17.1 23.2 184.6 $\pm$ 5.7 Y 4.61 $\pm$ 0.20 -1.59
3 22 41 51.5 -64 25 25.0 22.64 1.42 21.89 2.16 18.7 22.1 200.7 $\pm$ 6.4 Y 3.66 $\pm$ 0.22 -1.98
4 22 41 54.0 -64 25 05.1 22.39 1.52 21.56 2.20 29.1 30.5 180.0 $\pm$ 5.5 Y 3.46 $\pm$ 0.14 -2.14
5 22 41 57.1 -64 25 02.4 22.82 1.51 21.79 2.13 49.3 19.5 187.5 $\pm$ 6.7 Y 3.84 $\pm$ 0.23 -1.85
6 22 41 44.4 -64 24 29.2 22.42 1.46 - - 53.7 18.8 159.6 $\pm$ 10.0 Y 2.94 $\pm$ 0.36 -2.36
7 22 41 58.1 -64 25 24.3 22.66 1.30 21.92 1.85 56.6 15.6 225.2 $\pm$ 6.9 Y 4.16 $\pm$ 0.29 -1.75
8 22 41 40.9 -64 24 57.2 22.62 1.47 21.90 2.21 58.0 14.5 205.7 $\pm$ 12.5 Y 4.99 $\pm$ 0.41 -1.40
9 22 41 55.2 -64 24 20.6 22.42 1.50 21.53 2.11 62.1 28.6 204.8 $\pm$ 8.4 Y 3.43 $\pm$ 0.15 -2.14
10c 22 41 59.1 -64 24 41.6 22.48 1.48 21.69 2.26 68.2 25.1 234.5 $\pm$ 9.6 Y? 3.03 $\pm$ 0.21 -2.30
11 22 42 00.3 -64 24 44.5 22.73 1.24 22.07 1.78 74.3 14.2 192.7 $\pm$ 12.0 Y 4.22 $\pm$ 0.32 -1.71
12 22 42 02.5 -64 25 16.2 22.26 1.51 21.43 2.19 83.7 18.8 232.8 $\pm$ 6.3 Y 3.96 $\pm$ 0.33 -1.95
13 22 41 36.6 -64 24 58.2 22.34 1.60 21.46 2.28 85.1 25.3 169.0 $\pm$ 7.0 Y 2.87 $\pm$ 0.18 -2.41
14 22 42 01.7 -64 24 25.8 - - 21.55 2.22 89.2 25.6 195.1 $\pm$ 9.7 Y 2.80 $\pm$ 0.21 -2.39
15 22 41 50.1 -64 23 40.7 - - 21.51 1.78 90.3 29.4 172.9 $\pm$ 7.3 Y 4.08 $\pm$ 0.14 -1.86
16 22 42 03.4 -64 24 41.3 - - 21.63 2.41 94.2 22.2 200.2 $\pm$ 6.8 Y 5.38 $\pm$ 0.21 -1.17
17 22 41 38.4 -64 24 07.4 22.52 1.53 21.67 2.07 96.5 23.1 181.3 $\pm$ 9.2 Y 3.18 $\pm$ 0.22 -2.22
18 22 41 35.4 -64 24 40.4 22.45 1.52 21.66 2.27 96.9 21.1 197.5 $\pm$ 7.3 Y 4.40 $\pm$ 0.31 -1.70
19 22 41 24.9 -64 24 51.3 - - 21.78 2.34 161.1 16.7 70.4 $\pm$ 8.1 N 3.51 $\pm$ 0.32 -
20 22 41 31.7 -64 27 12.6 - - 20.34 0.94 168.0 36.3 78.1 $\pm$ 37.8 N 1.11 $\pm$ 0.16 -
21 22 41 19.1 -64 25 27.8 - - - - 200.2 18.1 234.9 $\pm$ 6.3 Y? 3.88 $\pm$ 0.37 -1.92d
22 22 42 16.7 -64 22 59.9 - - 21.42 2.27 219.2 26.8 201.6 $\pm$ 11.5 Y? 3.53 $\pm$ 0.20 -2.06
23 22 42 17.8 -64 22 32.8 - - 20.86 1.80 241.7 19.0 5.6 $\pm$ 5.6 N 4.19 $\pm$ 0.29 -
(1) From WFPC2 photometry, (Holtzman et al. 2006); (2) from FORS1 photometry, (Tolstoy et al. 2000). a Projected distance from the centre of Tucana; b sum of the two strongest Ca  II lines; c double star; d Using the fiducial value of V=22.5, coming from the signal-to-noise (S/N) of the star.

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