Table 2.
Atmospheric parameters and heliocentric velocities of the stars.
| Cluster | Star | Teff | log g |
 |
M | Status | vhel | nv | vcluster | Ref. |
|---|---|---|---|---|---|---|---|---|---|---|
| (K) | (cm s−2) | (M⊙) | (km s−1) | (km s−1) | ||||||
| NGC 5139 | UIT151 | 62 600 ± 2400 | 5.11 ± 0.10 | −0.99 ± 0.08 | 0.24 | peAGB | +231.1 ± 12 | 9 | +231.8 | (1) |
| UIT644 | 18 000 ± 800 | 2.82 ± 0.10 | −0.35 ± 0.06 | 0.29 | pAGB | +232.3 ± 13 | 26 | |||
| UIT1275 | 17 200 ± 1100 | 3.34 ± 0.18 | −1.27 ± 0.18 | 0.25 | pHB | +272.3 ± 6 | 14 | |||
| UIT1425 | 11 700 ± 200 | 3.57 ± 0.08 | −1.72 ± 0.36 | 0.23 | pHB | +213.6 ± 17 | 9 | |||
| Dk3873 | 49 700 ± 1800 | 4.99 ± 0.12 | −1.21 ± 0.12 | 0.28 | peAGB | +231.2 ± 26 | 11 | |||
| ROA5342 | 52 000 ± 2000 | 4.79 ± 0.10 | −1.17 ± 0.10 | 0.29 | peAGB | +227.6 ± 10 | 10 | |||
| NGC 6121 | UVBS2 (1) | 46 600 ± 600 | 5.82 ± 0.12 | +0.89 ± 0.18 | 0.85 | WDM | +74.6 ± 15 | 17 | +71.5 | (2) |
| NGC 6656 | UVBS2 | 78 800 ± 9900 | 4.58 ± 0.20 | +0.36 ± 0.16 | 0.18 | pAGB | −111.3 ± 4 | 3 | −144.9 | (2) |
| NGC 6712 | C49 (2) | 53 300 ± 4000 | 4.50 ± 0.12 | −1.04 ± 0.12 | 0.31 | pAGB | −108.0 ± 8 | 8 | −109.0 | (3) |
| NGC 6779 | ZNG2 | 21 500 ± 1800 | 3.07 ± 0.16 | −0.85 ± 0.08 | 0.19 | pAGB | −123.5 ± 9 | 15 | −138.1 | (4) |
| NGC 7099 | UVBS2 | 65 000 ± 2000 | 7.22 ± 0.12 | −3.29 ± 0.12 | WD | +11.4 ± 8 | 3 | −184.4 | (2) | |
| Unpublished data from Moehler et al. (1998) | ||||||||||
| NGC 5139 | ROA542 | 10 600 ± 200 | 2.55 ± 0.10 | −1.00 | 0.34 | pHB | ||||
| ROA3596 | 17 800 ± 1000 | 3.56 ± 0.16 | −1.26 ± 0.18 | 0.41 | pHB | |||||
| New analysis of data from Moehler et al. (1998) | ||||||||||
| NGC 2808 | C2946 | 24 900 ± 1800 | 4.78 ± 0.20 | −1.88 ± 0.14 | 0.68 | pHB | ||||
| C2947 | 15 000 ± 1200 | 3.92 ± 0.24 | −1.45 ± 0.44 | 0.41 | pHB | |||||
| C4594 | 19 900 ± 1600 | 3.79 ± 0.22 | −1.63 ± 0.26 | 0.34 | pHB | |||||
| NGC 6121 | Y453 | 54 900 ± 2000 | 5.62 ± 0.14 | −1.25 ± 0.10 | 0.59 | peAGB | ||||
| NGC 6723 | III60 | 43 000 ± 1400 | 4.72 ± 0.14 | −1.19 ± 0.14 | 1.02 | peAGB | ||||
| IV9 | 25 900 ± 2000 | 4.02 ± 0.22 | −1.06 ± 0.10 | 0.88 | peAGB | |||||
| NGC 6752 | B2004 | 34 500 ± 800 | 5.18 ± 0.14 | −2.45 ± 0.24 | 0.35 | pHB | ||||
Notes. The status acronyms are p-AGB (post-AGB), post-early AGB (peAGB), post-HB (pHB), white dwarf merger (WDM), and white dwarf (WD). We have no velocity information for the data from Moehler et al. (1998).
Mochejska et al. (2002) refer to the star as B2 and describe its spectrum as helium rich.
Remillard et al. (1980) classified the star as sdO.
References. (1) Johnson et al. (2008); (2) Lane et al. (2010); (3) Yong et al. (2008); (4) Webbink (1981).
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