VLT/SPHERE astrometric confirmation and orbital analysis of the brown dwarf companion HR 2562 B

Free Access

Table 3

Preliminary orbital parameters of HR 2562 B from the combined astrometric and dynamical analysis.

Parameter	Unit	Median	Lower	Upper
P	yr	141	87	227	159
a	au	30	22	41	32
e		0.22	0.07	0.49	0.19
i	°	87	85	88	86
Ω	°	121	119	124	120
ω	°	−24	−88	82	143
T₀		2020	1934	2111	2016

Notes. The parameters are the period, semi-major axis, eccentricity, inclination, longitude of node, argument of periastron, and time at periastron.

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.