New companions in the stellar systems of DI Cha, Sz 22, CHXR 32, and Cha Hα 5 in the Chamaeleon I star-forming region

Free Access

Table 7

Projected orbital separations and linear orbital movement fit results from absolute astrometric measurements.

Object	Proj.	Change in	Change
	sep.	separation	in PA^a
	[AU]	[mas/yr]	[°/yr]

DI Cha A(BC)^b	755	−3.70 ± 5.45	0.04 ± 0.10
BC	10	−2.99 ± 0.65	−4.86 ± 0.68
AD	35	1.16 ± 1.76	2.18 ± 0.68
Sz 22 AB	85	2.50 ± 5.17	−0.07 ± 0.93
CHXR 32 A(BC)^b	401	−0.91 ± 4.43	0.01 ± 0.18
A(BC)^c	398	0.03 ± 17.4	0.03 ± 0.67
BC	14	9.69 ± 3.79	−2.58 ± 1.09
Cha Hα 5 AB	8	−0.76 ± 1.20	7.84 ± 3.04
(AB)cc1^d	(232)	−9.90 ± 9.51	−0.38 ± 0.62

Notes. in Table 5. in Table 5. in Table 5.

^(a)

PA is measured from N over E to S.

^(b)

See

^(c)

See

^(d)

See

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.