Signal Calculator
Slit (")
0.9
1.2
1.5
1.8
2.1
2.4
3.5
5.9
Arm
BLUE
RED
Grating *
T01 - 0.78 A/pix
T01 - 0.39 A/pix
T03 - 1.08 A/pix
T03 - 0.54 A/pix
T04 - 1.08 A/pix
T04 - 0.54 A/pix
T05 - 0.54 A/pix
T06 - 0.54 A/pix
T06 - 0.27 A/pix
T07 - 1.62 A/pix
T07 - 0.81 A/pix
T08 - 1.08 A/pix
T09 - 1.08 A/pix
T09 - 0.54 A/pix
T09 - 0.36 A/pix
T10 - 0.78 A/pix
T10 - 0.39 A/pix
T11 - 2.40 A/pix
T11 - 1.20 A/pix
T12 - 1.08 A/pix
T13 - 2.16 A/pix
Seeing (")
Airmass
B or R magnitud **
Object
Point
Extended
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