X-ray view of IC 348 in the light of an updated cluster census

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Volume 537 (January 2012)

A&A, 537 (2012) A135

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Table 5

Statistics for detections, median of the logarithm of X-ray luminosity and L_x/L_bol ratio, and 2-sample tests of different YSO classes.

							2S-Test	2S-Test	2S-Test
	Class III		Class II/III		Class II		Class III–II	Class III–II/III	Class II/III–II
M [M_⊙]	N/N_ul	log L_x	N/N_ul	log L_x	N/N_ul	log L_x	Prob.[%]	Prob.[%]	Prob.[%]

0.1−0.25	36/13	28.76	32/15	28.51	38/28	28.47	> 99	> 97	< 90
0.25−0.6	34/4	29.20	10/1	29.43	20/9	29.04	< 90^a	< 90	< 90^a
0.6−1.2	21/0	29.55	6/0	29.90	16/0	29.76	< 90	< 90	< 90

M [M_⊙]	N/N_ul	log L_x/L_bol	N/N_ul	log L_x/L_bol	N/N_ul	log L_x/L_bol	Prob.[%]	Prob.[%]	Prob.[%]

0.1−0.25	36/13	−3.78	32/15	−3.87	38/28	−4.18	> 99	< 90	> 97
0.25−0.6	34/4	−3.60	10/1	−3.74	20/9	−4.15	< 90^b	< 90	< 90
0.6−1.2	21/0	−3.59	6/0	−3.27	16/0	−3.58	< 90	< 90	< 90

Notes.

^(a)

The logrank test gives probabilities of > 97% and > 93% for Class III vs. Class II and Class II/III vs. Class II.

^(b)

The logrank test gives a probability of > 99% for Class III vs. Class II.

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