A 5.5-year robotic optical monitoring of Q0957+561: substructure in a non-local cD galaxy

Free Access

Table 4

Flux ratio in the r band.

Time segment^a	α^b (d)	Best fit	χ²/d.o.f.^c	B/A^d

TS1	6	1.023	50.5/46	1.019–1.027
	9	1.023	59.7/50	1.019–1.026
TS2	6	1.054	52.0/46	1.050–1.058
	9	1.056	80.5/51	–
TS3	6	1.016	39.3/48	1.012–1.019
	9	1.016	34.1/50	1.012–1.019
TS4	6	1.060	160.5/54	–
	9	1.060	169.0/57	–

Notes.

^(a)

See main text.

^(b)

Bin semisize.

^(c)

d.o.f. = degrees of freedom.

^(d)

2σ confidence interval when χ²/d.o.f. < 1.2.

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.