Table 2
TAROT observations of cool carbon stars and obtained periods (P in days).
| Name | 2MASS coord. | K | J − K | P | P CL |
|
|
|||||
| m85 | J021926.95+355058.9 | 8.52 | 3.20 | 474 | |
| m86 | J022432.00+372933.1 | 8.75 | 2.74 | 327 | 337 |
| m87 | J023904.88+345507.6 | 8.38 | 3.88 | 426 | 424 |
| CGCS 6306 | J084522.27+032711.2 | 6.25 | 3.41 | 325 | |
| m34 | J085418.70−120054.1 | 8.02 | 2.73 | 373 | 389 |
| APM 1256+1656 | J125833.51+164012.2 | 7.82 | 3.48 | 381 | |
| m91 | J133557.07+062354.9 | 10.57 | 1.69 | 242 | 243 |
| CGCS 3716 | J163631.69−032337.5 | 6.10 | 3.91 | 498 | |
| m15 | J172825.74+700829.9 | 9.02 | 2.52 | 317 | 301 |
| m96 | J181329.44+453117.5 | 6.71 | 3.81 | 348 | |
| IZ Dra = m97 | J184950.90+621725.4 | 7.49 | 1.31 | 316 | |
| m16 | J194219.01−351937.6 | 10.04 | 2.62 | 222 | 230 |
| m77 | J195840.17+774526.2 | 8.69 | 3.36 | 382 | |
| m100 | J202000.44−053550.6 | 8.61 | 3.43 | 397 | 424 |
| m82 | J215526.98+234214.4 | 5.50 | 3.39 | 318 | |
| APM 2223+2548 | J222619.32+260338.5 | 4.52 | 2.73 | 295: | |
Notes. When available, periods derived from Catalina/LINEAR databases are also given (PCL in days). K from 2MASS is indicated and is lower than 7.0 in five cases. These stars are too bright to be considered as halo C star with our criteria and are included here for completeness. These objects are ignored in the remainder of the paper. All objects have | b | > 20°. For m16, Battinelli & Demers (2012) found P = 229 days.
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