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Table 2.
Properties of the variable candidates in NGC 6656 (M 22).
| ID | IDClement | IDOGLE | IDRos17 | α (J2000) | δ (J2000) | Distance (a) | Period | AKs | ⟨Ks⟩ | Z − Ks | Y − Ks | J − Ks | H − Ks | μα* | μδ | Member (b) | Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (OGLE-BLG-) | (h:m:s) | (d:m:s) | (arcmin) | (days) | (mag) | (mag) | (mag) | (mag) | (mag) | (mag) | (mas yr−1) | (mas yr−1) | |||||
| C1 | KT-55 | – | KT-55 | 18:36:23.25 | −23:53:58.1 | 0.29 | 0.658743 | 0.255 | 12.047 | 0.699 | 0.538 | 0.386 | 0.085 | 9.322 | −5.336 | Yes | RRab |
| C2 | V24 | T2CEP-0927 | 24 | 18:36:21.80 | −23:54:13.4 | 0.5 | 1.714805 | 0.284 | 11.104 | 0.988 | 0.774 | – | 0.75 | 10.54 | −4.359 | Yes | Cep |
| C3 | V23 | RRLYR-36672 | 23 | 18:36:23.04 | −23:54:41.7 | 0.54 | 0.551593 | 0.307 | 12.253 | 0.911 | 0.704 | 0.412 | 0.104 | 10.056 | −5.662 | Yes | RRab |
| C4 | V1 | RRLYR-36670 | 1 | 18:36:19.57 | −23:54:33.0 | 1.07 | 0.615536 | 0.309 | 12.12 | 0.883 | 0.669 | 0.495 | 0.115 | 8.909 | −5.574 | Yes | RRab |
| C5 | – | – | – | 18:36:25.20 | −23:53:04.8 | 1.15 | 0.105017 | 0.311 | 15.689 | – | 0.382 | 0.236 | 0.028 | 16.141 | 1.402 | Yes | ? |
| C6 | V21 | RRLYR-36675 | 21 | 18:36:25.76 | −23:52:58.2 | 1.29 | 0.327135 | 0.08 | 12.441 | 0.622 | 0.448 | 0.368 | 0.096 | 9.948 | −5.237 | Yes | RRc |
| C7 | V4 | RRLYR-36673 | 4 | 18:36:23.37 | −23:55:29.4 | 1.3 | 0.716398 | 0.28 | 11.959 | 0.913 | 0.695 | 0.498 | 0.115 | 10.284 | −6.561 | Yes | RRab |
| C8 | V12 | RRLYR-36674 | 12 | 18:36:23.77 | −23:55:39.1 | 1.45 | 0.322624 | 0.099 | 12.451 | 0.682 | 0.492 | 0.335 | 0.069 | 10.372 | −5.292 | Yes | RRc |
| C9 | KT-14 | – | KT-14 | 18:36:30.69 | −23:53:54.1 | 1.56 | 0.373642 | 0.081 | 12.291 | 0.735 | 0.534 | 0.355 | 0.091 | 10.267 | −7.793 | Yes | RRc |
| C10 | KT-12 | RRLYR-36679 | KT-12 | 18:36:30.94 | −23:53:49.1 | 1.63 | 0.443619 | 0.222 | 14.572 | 0.731 | 0.567 | 0.496 | 0.17 | −4.454 | −3.644 | No | RRab |
Notes. This table is available in its entirety at the CDS. A portion is shown here for guidance regarding its form and content.
(b)
Cluster membership according to criteria explained in Sect. 4.3.
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