Free Access

Table A.1

Parameters of the telescope AZT-12 and the spectrograph ASP-32 at Tartu Observatory.

Parameter Specification
Telescope Type Cassegrain reflector
Primary Diameter 1.50 m
Secondary Diameter 0.36 m
Focal Ratio F/16
Cassegrain Focal Length 24.0 m
Cassegrain focus plate scale 116 μm arcsec−1

Spectrograph type Long-slit spectrograph
at Cassegrain focus
Spectrograph slit width 2.2 arcsec
Spectrograph slit length ≤ 1 arcmin
Gratings (l mm−1) 300, 600, 1200, 1800, 2400
Spectral resolution 1000…11000

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.