Search for associations containing young stars (SACY) - VI. Is multiplicity universal? Stellar multiplicity in the range 3–1000 au from adaptive-optics observations

Free Access

Table 4

Summary of all AO-imaging data used in this work.

Instrument	FOV	Filter	λ₀	Δλ	No. of
	(arcsec)		(μm)	(μm)	Obs.

NACO	14 × 14	K_s	2.18	0.35	91
	28 × 28	K_s	2.18	0.35	53
	28 × 28	IB 2.27	2.27	0.06	82
	28 × 28	IB 2.21	2.21	0.06	11
	28 × 28	NB 2.17	2.17	0.02	12
Lick	20 × 20	K _s	2.15	0.32	70
	20 × 20	H	1.66	0.30	14
	20 × 20	J	1.24	0.27	2

Notes. The number of observations refers to the number of reduced images as opposed to separate objects, i.e. an object can be counted twice if it was re-observed.

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.