Table 1
X-ray fluxes, rotation period, and photometric index of M34 target stars.
| Id. | No. | 2XMM identifier | CR | P | V 0 | (B−V)0 | V−I | |
| (Irwin et al.) | (Meibom et al.) | (cts/ks) | (d) | |||||
|
|
||||||||
| 1 | J024126.0+424814. | 1.9 ± 0.4 | 3.99 | 13.21 | 0.59 | |||
| M34-1-2953 | 2 | J024135.1+424103. | 10.7 ± 0.9 | 0.90 | 14.33 | 0.79 | 1.01 | |
| 3 | J024136.6+425020. | 10.1 ± 0.8 | 2.80 | 14.44 | 0.82 | |||
| M34-4-2697 | 4 | J024138.2+424403. | 0.3 ± 0.2 | 5.99 | 13.87 | 0.73 | 0.85 | |
| 5 | J024138.5+423903. | 2.1 ± 0.5 | 4.37 | 13.36 | 0.63 | |||
| 6 | J024140.7+425446. | 1.8 ± 0.4 | 2.80 | 12.96 | 0.58 | |||
| M34-4-2533 | 7 | J024143.9+424506. | 1.9 ± 0.4 | 0.59 | 16.79 | 1.34 | 1.73 | |
| F4-0136 | J024147.3+424339. | 4.2 ± 0.5 | 2.87 (J10) | 13.151 | 0.614 | |||
| 8 | J024147.8+424121. | 2.9 ± 0.5 | 6.06 | 11.97 | 0.55 | |||
| M34-4-2412 | F3-0413 | J024148.3+424933. | 3.1 ± 0.4 | 5.45 (I06) | 16.27 | 1.143 | 1.39 | |
| M34-1-2573 | 9 | J024148.7+424001. | 3.4 ± 0.6 | 4.83 | 15.82 | 1.11 | 1.43 | |
| M34-1-2476 | 10 | J024151.8+423822. | 1.7 ± 0.5 | 5.35 | 16.57 | 1.28 | 1.67 | |
| M34-4-2215 | J024155.2+425031. | 1.4 ± 0.3 | 6.575 (I06) | 2.04 | ||||
| 11 | J024157.3+430026. | 4.9 ± 0.8 | 1.13 | 15.29 | 0.99 | |||
| 12 | J024159.5+424102. | 2.3 ± 0.4 | 4.19 | 12.98 | 0.67 | |||
| M34-4-2015 | J024201.7+424158 | 1.3 ± 0.4 | 1.978 (I06) | 2.13 | ||||
| 13 | J024205.8+424654. | 1.2 ± 0.3 | 8.27 | 14.34 | 0.99 | |||
| 14 | J024206.4+423621. | 3.1 ± 0.6 | 6.14 | 13.49 | 0.80 | |||
| 15 | J024208.3+423843. | 2.8 ± 0.6 | 2.71 | 12.90 | 0.54 | |||
| 16 | J024211.3+425035. | 2.6 ± 0.4 | 6.90 | 14.27 | 0.85 | |||
| 17 | J024213.9+425547. | 2.8 ± 0.5 | 4.65 | 13.89 | 0.77 | |||
| M34-4-1524 | J024217.2+424819. | 5.2 ± 0.5 | 1.179 (I06) | 1.35 | ||||
| M34-4-1436 | 18 | J024220.4+424905. | 0.6 ± 0.2 | 10.99 | 16.31 | 1.26 | 1.45 | |
| M34-1-1178 | 19 | J024231.8+423711. | 8.0 ± 1.3 | 1.07 | 15.97 | 1.13 | 1.50 | |
| M34-4-1092 | J024232.5+424907. | 14.1 ± 0.8 | 0.678 (I06) | 1.29 | ||||
| M34-1-1017 | J024234.8+423926 | 1.1 ± 0.4 | 3.633 (I06) | 2.35 | ||||
| M34-3-928 | 20 | J024236.4+425433. | 9.2 ± 1.1 | 3.18 | 14.73 | 0.86 | 1.09 | |
| M34-4-798 | J024241.9+424600. | 1.2 ± 0.3 | 7.322 (I06) | 2.32 | ||||
| 21 | J024242.5+424031. | 6.6 ± 0.8 | 1.97 | 12.62 | 0.52 | |||
| 22 | J024243.6+425230. | 2.7 ± 0.5 | 10.75 | 15.59 | 1.18 | |||
| M34-4-631 | 23 | J024247.5+424545. | 4.9 ± 0.6 | 1.19 | 16.45 | 1.20 | 1.53 | |
| 24 | J024249.1+424013. | 4.5 ± 0.7 | 1.50 | 15.73 | 1.03 | |||
| M34-3-523 | 25 | J024250.8+425807. | 7.6 ± 0.9 | 0.94 | 14.51 | 0.84 | 1.04 | |
| 26 | J024251.7+424751. | 9.7 ± 0.9 | 3.67 | 12.78 | 0.64 | |||
| M34-4-316 | J024257.7+424147. | 5.2 ± 0.8 | 5.97 (I06) | 1.86 | ||||
| M34-3-279 | 27 | J024258.2+425803. | 13.7 ± 1.5 | 1.55 | 14.78 | 0.86 | 1.10 | |
| 28 | J024259.5+424821. | 2.1 ± 0.5 | 10.52 | 15.49 | 1.25 | |||
| M34-3-205 | J024300.1+425801. | 13.5 ± 1.5 | 0.789 (I06) | 1.37 | ||||
| 29 | J024301.9+424651. | 1.8 ± 0.5 | 0.49 | 17.67 | 1.44 | |||
| 30 | J024320.9+424857. | 2.6 ± 0.7 | 8.85 | 15.74 | 1.18 | |||
| 31 | J024330.1+425307. | 8.9 ± 1.5 | 0.72 | 14.74 | 0.84 | |||
Notes. The X-ray count rates (CR) in the 0.5–4.5 keV band have been extracted from the XMM-Newton Serendipitous Source Catalog using the energy conversion factor provided by Watson et al. (2009) for the pn camera equipped with a thick filter. The rotation periods are from M 11 or otherwise from I06 or J10 as indicated between brackets in the corresponding column. Extinction-corrected V0 magnitude and reddening-corrected (B−V)0 color indices are from M 11 and J10. V−I color indices are from I06.
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