EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 524 (December 2010) A&A, 524 (2010) A42 Full HTML
Free Access

Table 24

Allowed values of RADESYSa.

Value Definition
ICRS International Celestial Reference System
FK5 Mean place, new (IAU 1984) system
FK41 Mean place, old (Bessel-Newcomb) system
FK4-NO-E1 Mean place: but without eccentricity terms
GAPPT Geocentric apparent place, IAU 1984 system

Notes. 

(1)

New FITS files should avoid using these older reference systems.

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.