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Table 3
Infrared photometry and colours of the four carbon stars. The last two columns are in the SAAO system.
| SBS | 2MASS | J | H | Ks | R − J | J − H | H − K |
| number | identification | mag | mag | mag | mag | mag | mag |
|
|
|||||||
| 0759+533 | J08031240+5311340 | 10.84 | 10.27 | 10.05 | 1.66 | 0.66 | 0.16 |
| 1310+561 | J13124251+5555546 | 12.06 | 11.22 | 10.80 | 1.94 | 0.92 | 0.36 |
| 1543+555 | J15452240+5521327 | 12.57 | 11.85 | 11.62 | 1.63 | 0.80 | 0.19 |
| 1701+555 | J17020556+5527134 | 12.87 | 12.34 | 12.19 | 1.25 | 0.60 | 0.12 |
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