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Table 4

Table to replace Table 2 in Moehler et al. (2000b, NGC 6752). Physical parameters, helium abundances, and masses for the target stars in NGC 6752 as derived using metal-poor model atmospheres. We used the photometry of Buonanno et al. (1986) to derive the masses.

Star Teff log g M
(K) (cm s-2) (M⊙)
ESO 1.52 m telescope observations in 1998
652 12 500±310 3.86±0.09 −2.00±0.35 0.54
1132 17 300±520 4.31±0.09 −2.46±0.16 0.49
1152 15 700±360 4.19±0.05 −2.57±0.17 0.50
1157 15 800±460 4.14±0.09 −2.89±0.31 0.49
1738 16 700±700 4.15±0.12 −2.24±0.28 0.30
2735 11 100±260 3.78±0.12 −1.14±0.36 0.68
3253 13 700±390 3.80±0.09 −2.41±0.29 0.50
3348 12 000±270 3.73±0.07 −2.18±0.38 0.64
3408 14 600±400 4.21±0.09 −2.40±0.36 0.60
3410 15 500±460 4.14±0.09 −2.22±0.19 0.39
3424 17 900±570 4.23±0.09 −2.60±0.21 0.40
3450 13 200±290 3.84±0.07 −2.05±0.24 0.44
3461 15 200±500 4.18±0.09 ≤–3 0.68
3655 25 800±1300 5.15±0.16 −2.32±0.24 0.56
3736 13 400±370 3.91±0.09 −1.84±0.17 0.68
4172 12 200±260 3.68±0.07 −2.24±0.54 0.45
4424 13 000±290 3.99±0.07 −2.36±0.38 0.67
4551 15 400±530 3.96±0.09 −2.21±0.24 0.39
4822 13 900±450 3.91±0.09 −2.24±0.28 0.35
4951 17 300±580 4.38±0.09 −2.63±0.22 0.55
ESO NTT observations in 1997
944 11 100±230 3.70±0.10 −0.84±0.31 0.49
1391 19 700±570 4.49±0.09 −2.04±0.10 0.35
1780 18 000±580 4.40±0.09 −2.31±0.14 0.36
2099 20 000±820 4.61±0.12 −2.38±0.22 0.43
ESO NTT observations in 1998
2697 15 700±400 4.08±0.07 −2.36±0.17 0.86
2698 15 400±610 4.11±0.10 −2.07±0.28 0.47
2747 22 700±650 4.85±0.09 −2.16±0.10 0.52
2932 18 600±700 4.63±0.12 −1.57±0.12 0.44
3006 30 000±640 5.19±0.09 ≤–3 0.64
3094 10 400±120 3.81±0.17 −1.83±1.35 1.05
31401 8000±100 2.84±0.14 −1.00±0.00 0.31
3253 13 700±470 3.75±0.10 −1.85±0.31 0.45
3699 22 900±990 4.64±0.12 −2.29±0.10 0.29
ESO NTT observations in 1993
491 29 000±520 5.41±0.07 ≤–3 0.34
916 30 200±430 5.61±0.07 −1.71±0.05 0.42
1509 17 400±630 4.10±0.10 −2.17±0.16 0.25
1628 21 800±590 4.83±0.09 −2.53±0.12 0.40
2162 33 400±390 5.78±0.07 −1.94±0.09 0.43
2395 22 200±690 5.10±0.09 −1.78±0.07 0.49
3915 31 300±510 5.55±0.09 ≤–3 0.52
3975 21 700±460 4.97±0.07 −2.04±0.10 0.58
4009 30 700±920 5.61±0.12 ≤–3 0.48
4548 22 000±1380 5.11±0.19 −2.02±0.16 0.56

Notes.

(1)

This star is omitted from further analysis as it lies in a temperature range that is difficult to analyse and not of great interest for our discussion.

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