Free Access

Table 1

Central wavelengths in Å of different telescope filters.

Filters
Telescope B V R I

8.2 m ESO-VLT 4237 5481 6480 7935
3.6 m ESO-NTT 4212 5442 6416 7950
10 m Keck 4377 5473 6417 7599
8.2 m Subaru 4400 5500 6600 8050
3.6 m CFHT 4312 5374 6581 8223

Average 4307.6 5454 6498.8 8016.2

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.