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Table 2

X-ray luminosities in the 0.5−4.5 keV band, bolometric luminosities, X-ray to bolometric luminosity ratios, effective temperatures, rotation periods, and Rossby numbers of M 35 cluster members stars not identified as binaries.

2XMM identifier L X L bol LX/Lbol T eff P Ro Rotation
(1028 erg s-1) (L) (10-3) (K) (d) sequence

J60844.9+241958. 54 ± 13 0.99 0.14 ± 0.04 5386 3.720 0.29 I
J60913.7+241545. 155 ± 20 0.08 5.21 ± 0.68 4694 0.623 0.03 C
J60900.5+241159. 52 ± 15 1.34 0.10 ± 0.03 5684 0.560 0.05 C
J60827.5+241238. 75 ± 20 0.30 0.66 ± 0.17 5090 1.109 0.07 C
J60928.7+242534. 77 ± 19 0.50 0.40 ± 0.10 5413 1.275 0.10 C
J60842.8+242939. 170 ± 29 0.48 0.93 ± 0.16 5183 0.984 0.07 C
J60908.6+242947. 84 ± 23 0.04 5.71 ± 1.57 4217 0.651 0.02 C
J60817.7+241225. 155 ± 30 0.71 0.58 ± 0.11 5413 1.111 0.09 C
J60923.5+243115. 117 ± 30 0.47 0.65 ± 0.17 4922 1.288 0.08 C
J60801.8+242645. 91 ± 32 0.25 0.96 ± 0.33 5183 0.952 0.07 C

Notes.The last column gives the M09 classification of each star as a member of the convective sequence (C), the interface sequence (I), or the gap (g). X-ray luminosities were derived from X-ray fluxes (see Table 1) assuming a cluster distance of 762 pc. Uncertainties on stellar X-ray luminosities do not include the ±38% systematic error associated with the uncertainty on the cluster distance.

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