Open Access
Table 1.
Number of selected Galactic (G) and Magellanic (M) objects remaining after each selection criterion.
| Selection criterion | Number of objects reported with | Number of | Known RCB stars | |
|---|---|---|---|---|
| 7 valid | at least one upper | known RCB stars | eliminated | |
| measurements | limit value in | selected | at each stage | |
| J, H, K, [3] or [22] | ||||
| 0: [12] < 12 mag | 21532159 | 33203403 | 100 | V1157 Sgr |
| 1: Cut on (J − H vs. H − K) | 1843558 | 1582645 | 95 | ASAS-RCB-8, XX Cam, |
| Y Mus, UV Cas and | ||||
| EROS2-LMC-RCB-6 | ||||
| 2: Cut on ([4.6]−[12] | 14315 | 243710 | 90 | ASAS-RCB-1, DY Cen, |
| vs. [12]−[22]) | EROS2-CG-RCB-12, MV Sgr | |||
| and MACHO-11.8632.2507 | ||||
| 3: Cut on (J − K vs. J − [12]) | G: 11301, M: 482 | 232899 | 89 | MACHO-308.38099.66 |
| 4: Cut on ([12] vs. [12]−[22]) | G: 2568, M: 255 | 4279 | ||
| 5: Cut on (K vs. J − K) | G: 2024, M: 118 | 4204 | ||
| 6: Cut on ([3.4]–[4.6]) | G: 1905, M: 112 | 2435 | ||
| 7: Cut on 2MASS-WISE | G: 1862, M: 109 | 1736 | ||
| Association | ||||
| Special supplementary cuts targeting objects with upper limit values in the J and/or [22] bands | ||||
| 8: Outside |b| < 2, |l| < 60 deg | 757 | 88 | EROS2-CG-RCB-8 | |
| 9: Strict cuts on blending | 473 | 87 | EROS2-CG-RCB-5 | |
| Final, without known RCB | G: 2194, M: 162 | |||
| stars and the known HdC | ||||
| star HD 175893 | ||||
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