Open Access

Table 1.

Exposure times of VVV OBs.

Area OB type Filter DIT (a) NDIT (b) Expp(c) Expsp(d) Median exp. time per pixel
(s) (s) (s) of single epoch OB (s)
Bulge Multi-filter, single-epoch J 6 2 12 24 48
Bulge Multi-filter, single-epoch H,  Ks 4 1 4 8 16
Bulge Variability monitoring Ks 4 1 4 8 16
Disk Multi-filter, single-epoch J,  H,  Ks 10 2 20 40 80
Disk Variability monitoring Ks 4 1 4 8 16



Detector integration time.


Number of DITs.


Exposure time per pawprint.


Exposure time per stacked pawprint.

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.