Polarization analysis of the VLTI and GRAVITY | Astronomy & Astrophysics (A&A)

Open Access

Table 3

Necessary header keywords for the creation of the Mueller matrix.

Value	Header Keyword
Azimuth	ESO ISS AZ
Elevation	ESO ISS ALT
Paralactic angle	(ESO ISS PARANG START + ESO ISS PARANG END)/2
K-mirror position
HWP position

Notes. For the K-mirror and the HWP angle, slight differences exist between the four beams, which are therefore averaged.

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.