|
Filter |
Cut on 5% |
Cut on 50% |
Cut off 50% |
Cut off 5% |
Status |
|
z |
0.81 |
0.83 |
0.98 |
0.99 |
|
|
Y |
0.994 |
1.002 |
1.076 |
1.085 |
in |
|
J |
1.09 |
1.10 |
1.345 |
1.355 |
in |
|
Js |
1.15 |
1.165 |
1.325 |
1.335 |
in |
|
J_low |
1.146 |
1.156 |
1.250 |
1.259 |
in |
|
J_high |
1.243 |
1.254 |
1.359 |
1.369 |
in |
|
H |
1.485 |
1.51 |
1.785 |
1.810 |
in |
|
K' |
1.86 |
1.94 |
2.28 |
2.34 |
in |
|
Ks |
1.97 |
2.00 |
2.30 |
2.33 |
in |
|
K |
1.97 |
2.00 |
2.40 |
2.42 |
in |
|
Methane off |
1.52 |
1.53 |
1.62 |
1.63 |
|
|
Methane on |
1.63 |
1.64 |
1.75 |
1.76 |
|
|
Filter |
central wave |
width |
Status |
|
1.083 |
1% |
|
|
|
Pa g |
1.094 |
1% |
|
|
continuum |
1.207 |
1% |
|
|
O I |
1.237 |
1% |
|
|
Fe II |
1.257 |
1% |
|
|
Pa b |
1.282 |
1% |
|
|
Fe II |
1.644 |
1% |
|
|
continuum |
1.710 |
1% |
in |
|
He I |
2.058 |
1% |
|
|
H2 |
2.122 |
1% |
Oprime |
|
continuum |
2.144 |
1% |
in |
|
Br g |
2.166 |
1% |
in |
|
H2 |
2.248 |
1% |
|
|
continuum |
2.260 |
1% |
|
|
CO |
2.295 |
1% |
in |
All wavelengths are in microns
Some filter need an appropriate
blocking filter to suppress radiation beyond 2.6 microns. The use of these is
coded in the wheel macros and the user need not take care of this if he uses
the wheel macros to position the filter wheels.
Hermann-Josef Röser
14. September 2004
