Near-infrared time-series photometry in the field of Cygnus OB2 association - I. Rotational scenario for candidate members

Home

All issues

Volume 603 (July 2017)

A&A, 603 (2017) A106

Full HTML

Free Access

Table 2

Period mean, standard deviation, and median values (μ,σ,ν) for each cluster presented in Fig. 21 for the full, and P ≥ 2 days samples.


	(μ,σ,ν)		(μ,σ,ν)		KS-test (%)^a

	M< 0.4 M _⊙		M ≥ 0.4 M _⊙		between mass ranges		(with CygOB2
	(days)		(days)				for M< 0.4M_⊙)

Region	All	P ≥ 2 days	All	P ≥ 2 days	All	P ≥ 2 days	P ≥ 2 days

CygOB2	–	(7.0, 2.9, 6.8)	–	(6.5, 4.2, 5.7)	–	0.02	–

NGC 6530	(6.5, 4.2, 6.8)	(6.4, 3.3, 5.6)	(5.3, 3.7, 4.7)	(6.5, 3.4, 5.6)	1.4	2.1	0.16
ONC	(3.3, 2.8, 2.5)	(5.0, 2.7, 4.4)	(5.7, 3.9, 5.4)	(6.6, 3.6, 6.4)	10^-9	0.0001	10^-9
NGC 2264	(4.6, 3.7, 3.9)	(6.2, 3.4, 5.2)	(5.4, 4.1, 4.3)	(6.3, 4.0 5.1)	0.26	74.26	0.02
CepOB3b	(4.0, 2.7, 3.5)	(5.1, 2.5, 4.6)	(4.9, 3.5, 4.4)	(6.0, 3.2, 5.3)	1.16	1.83	10^-7
NGC 2362	(3.0, 3.2, 1.9)	(5.0, 3.8, 3.0)	(5.8, 4.4, 4.9)	(6.9, 4.1 , 6.1)	10^-8	0.072	0.002
hPer	(2.0, 2.0, 1.4)^c	(4.2, 1.8, 3.3)^d	(3.3, 3.0, 2.7)	(5.5, 2.5, 5.1)	–	–	–

Notes.

^(a)

p-value from KS-test between the samples M< 0.4 M_⊙, and M ≥ 0.4 M_⊙, given in percentage, meaning the probability that the two sample were derived from the same parent distribution.

^(b)

Sample composed with only 25 stars.

^(c)

Sample composed with only 9 stars.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.