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Table 3.
Spectroscopic and photometric characteristics observed in new and known HdC stars.
| Stars | Line strength | Temp. | MV | (V − I)0 | |
|---|---|---|---|---|---|
| H | Li | group | (mag) | (mag) | |
| dLHdC stars | |||||
| HD 137613 | Mild | −3.29 |
0.89 | ||
| HD 148839 | ++ | + | Mild | −3.09 |
0.66 |
| HD 173409 | Mild | −2.47 |
0.68 | ||
| HD 182040 | Cold | −3.28 |
0.74 | ||
| HE 1015–2050 | Cold | ND | 0.88 | ||
| A166 | Cold | −1.38 |
1.80 | ||
| A182 | Warm | −2.46 |
0.63 ( △ ) | ||
| A183 | ++ | + | Mild | −2.37 |
0.84 |
| A223 | + | Cold | −2.96 |
0.70 | |
| A226 | Mild | −2.85 |
0.60 | ||
| A249 | ++ | Warm | −3.22 |
0.45 | |
| A770 | + | Cold | −2.87 |
1.10 | |
| A811 | ++ | + | Cold | −2.05 |
0.62 |
| A814 | ++ | Mild | −4.26 |
0.64 | |
| A977 | Cold | −2.75 |
0.73 | ||
| A980 | + | + | Warm | −5.18 |
0.16 ( ▽ ) |
| B42 | + | Mild | −3.39 |
0.96 | |
| B563 | + | ++ | Mild | −2.96 |
0.75 |
| B564 | + | + | Warm | −3.75 |
0.11 ( ▽ ) |
| B565 | ++ | + | Mild | −2.97 |
0.57 |
| B566 | Mild | −3.07 |
0.78 | ||
| B567 | Warm | −3.33 |
0.27 | ||
| C17 | ++ | + | Mild | −3.55 |
0.47 ( ▽ ) |
| C20 | + | + | Mild | −2.41 |
0.82 |
| C27 | Cold | −3.65 |
0.85 | ||
| C38 | + | + | Mild | −3.71 |
0.76 |
| C526 | + | Warm | −4.29 |
0.35 | |
| C528 | ++ | + | Mild | −1.81 |
0.81 |
| C539 | Mild | −2.98 |
0.84 | ||
| C542 | ++ | + | Mild | −4.14 |
0.70 |
| F75 | + | + | Warm | −4.41 |
0.39 |
| F152 | Em. | Warm | −4.76 |
0.47 | |
| RCB stars | |||||
| C105 | Mild | −4.64 |
0.61 | ||
| HD 175893 | Mild | −3.99 |
0.61 | ||
Notes. ( △ )Interstellar reddening correction possibly underestimated. ( ▽ )Interstellar reddening correction possibly overestimated.
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