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Table 6.
Spectroscopic analysis of new Cold RCB stars.
| WISE | WISE | 2MASS | Ca II IR | 13C ? | Strength C2 | Hydrogen ? | Emission | Comments |
|---|---|---|---|---|---|---|---|---|
| ToI | [12] | K | triplet | ∼4744, | features | Hα, CH | lines ? (Å) | |
| (mag) | (mag) | strength | ∼6168 Å | 600–620 nm | ||||
| New Cold RCB stars | ||||||||
| 76 | 3.55 | 8.32 | Medium | n/a, No | Strong | No, n/a | ||
| 90 | 5.04 | 8.82 | None | n/a, No | Strong | No, No | ||
| 105 | 4.41 | 9.46 | Medium | n/a, No | Small | No, n/a | ||
| 121 | 4.10 | 8.54 | Medium | No, No | Strong | No, No | ||
| 124 | 4.96 | 9.20 | Medium | No, No | Strong | No, No | ||
| 130 | 2.22 | 8.04 | Small | n/a, No | Small | No, n/a | ||
| 148 | 5.07 | 9.26 | Small | n/a, No | Strong | No, n/a | ||
| 161 | 4.68 | 8.84 | Small | n/a, No | Strong | No, n/a | ||
| 177 | 2.87 | 7.86 | Medium | No, No | Strong | No, n/a | ||
| 182 | 3.22 | 7.44 | Medium | No, No | Strong | No, No | ||
| 184 | 3.64 | 8.50 | Small | n/a, No | Small | No, n/a | ||
| 186 | 4.46 | 8.65 | Small | No, No | Strong | No, No | ||
| 203 | 4.76 | 8.37 | Medium | No, No | Strong | No, No | ||
| 204 | 3.10 | 8.13 | Small | n/a, No | Strong | No, n/a | ||
| 220 | 7.04 | 9.72 | Medium | No, No | Strong | No, n/a | ||
| 231 | 5.34 | 9.72 | Medium | No, No | Strong | No, No | ||
| 240 | 3.54 | 7.48 | Small | No, No | Strong | No, n/a | ||
| 249 | 3.66 | 7.56 | Strong | No, No | Strong | No, No | ||
| 250 | 3.68 | 8.67 | Small | No, No | Strong | No, n/a | ||
| 290 | 4.81 | 8.86 | Weak | No, No | Strong | No, No | ||
| 1220 | 2.86 | 8.26 | Small | n/a, No | Strong | No, n/a | ||
| 1222 | 2.95 | 9.38 | Medium | n/a, No | Strong | No, n/a | ||
| 1227 | 4.53 | 9.91 | Medium | No, No | Strong | No, n/a | ||
| 1241 | 3.04 | 8.65 | Small | n/a, No | Small | No, n/a | ||
| 1265 | 2.84 | 9.30 | Small | No, No | Strong | No, n/a | ||
| 1269 | 2.93 | 9.45 | Small | No, No | Strong | No, n/a | ||
| 2645 | 5.07 | 7.95 | Medium | n/a, No | Weak | No, n/a | ||
| 5004 | 6.72 | 12.36 | Small | n/a, No | Strong | No, n/a | ||
| 5039 | 6.41 | 13.54 | Weak | No, No | Strong | No, n/a | [O III](4959 + 5007), | Emission lines observed |
| Hα, β, δ, γ, [N II](6583), | only on the AAOmega | |||||||
| [S II](6719 + 6730) | spectrum | |||||||
| 5042 | 8.65 | 12.26 | Medium | No, No | Strong | No, No | Warm absorption lines | |
| observed with some C2 | ||||||||
| features, but no CN | ||||||||
| KDM 5651 | 8.96 | 12.75 | Strong | No, No | Strong | No, No | ||
| New Cold RCB candidates that need further monitoring | ||||||||
| 136 | 4.83 | 9.66 | Weak | n/a, n/a | Small | Em., n/a | ||
| 137 | 4.66 | 9.54 | Small | n/a, n/a | Weak | Em., n/a | [N II](6583) | |
| 138 | 4.76 | 9.67 | Small | n/a, n/a | Weak | No, n/a | [N II](6583) | |
| 150 | 4.67 | 9.14 | Small | n/a, n/a | Weak | No, n/a | ||
| 164 | 3.41 | 8.36 | Small | n/a, n/a | Small | No, n/a | ||
| 181 | 2.99 | 8.73 | Medium | n/a, n/a | Weak | No, n/a | ||
| 194 | 2.94 | 7.57 | Small | n/a, n/a | No | No, n/a | Na I D | |
| 207 | 3.08 | 7.93 | Small | n/a, n/a | n/a | No, n/a | ||
| 218 | 6.25 | 11.07 | None | n/a, n/a | n/a | No, n/a | ||
| 223 | 1.25 | 7.27 | Small | n/a, No | Strong | Em., n/a | Na I D | |
| 225 | 3.25 | 7.95 | Weak | n/a, n/a | n/a | No, n/a | ||
| 264 | 5.88 | 10.90 | Small | n/a, n/a | Weak | No, n/a | Na I D | |
| 274 | 1.03 | 6.33 | Small | n/a, n/a | n/a | Em., n/a | 2.3 m/WiFeS featureless | |
| spectrum | ||||||||
| 4117 | 2.33 | 7.64 | None | n/a, n/a | Weak | No, n/a | Na I D | |
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