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Spectroscopy

Spectroscopy data files have the extension .vel. The following gives an example for Algol, where the columns are the component designation, the Julian date of observation, and value and error of the radial velocity (in km/s) measured. Optionally, plot symbol and color can be added to each record. Available symbols are $+$ (0), x (1), * (2), triangle up (3), triangle down (4), square (5), diamond (6), pentagon (7), star (8) and circle (9). These are open symbol, unless 10 is added to the symbol number. The available colors are black (0), white (1), red (2), green (3), blue (4), and more.

A 2428890.9305 -16.8 1.8
A 2428918.6569 +54.2 4.4
B 2443477.748 +145.0 5.0
B 2443478.743 -199.0 5.0
B 2443497.646 +179.0 5.0
B 2443498.673 -169.0 5.0
B 2443501.689 -201.0 5.0
C 2422984.4 -10.5 1.6
C 2425125.5  +5.9 0.6



Christian Hummel 2015-04-28