SPHERE RefPlanets: Search for ε Eridani b and warm dust

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Table 3

Points with σ_$N$ > 5 found in the Q_ϕ detection maps of single nights or averaged data sets for the four epochs.

Data	ρ [mas]	θ [deg]	σ_$N$	Contrast	npx	Notes
		nights
N2	903	261	5.1	5.3 × 10⁻⁸	3
N4	178	238	5.8	7.8 × 10⁻⁷	9	r1
N6	865	65	6.3	4.3 × 10⁻⁸	12
N8	318	23	5.8	6.8 × 10⁻⁷	3	r1
N9	1504	222	5.2	3.1 × 10⁻⁸	1	r3
N9	702	331	5.1	9.9 × 10⁻⁸	1
N10	1521	323	5.4	1.6 × 10⁻⁸	4	r3
N10	947	30	5.4	3.3 × 10⁻⁸	1
N10	703	120	5.1	4.6 × 10⁻⁸	1
N10	371	150	6.5	3.4 × 10⁻⁷	2	r1, r2
		epochs
E3	472	101	5.04	2.2 × 10⁻⁷	1	r1
E4	686	337	5.1	4.3 × 10⁻⁸	3

Notes. The columns give for each high σ_$N$ point the night (N) or epoch (E) number, the angular separation ρ in milli-arcsec, the position angle θ measured from N over E, the σ_$N$, the point source contrast Q_ϕ/I_★, number of additional neighbouring pixels with σ_$N$>5 (npx) and notes: ‘r1’: too bright, ‘r2’: too low separation, ‘r3’: too large separation.

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