Signal Calculator


Slit (")
Arm
Grating *

Seeing (")
Airmass

B or R magnitud **
Object
Exp.Time (secs)







* Actually there are data only for gratings:
   T08 - ord1 (Blue Band)
   T11 - ord1 (Red Band)

** For extended sources, mag/arcsec2 are assumed .


Santos Pedraz
Last modified: November 2001