The tables below list which filters are available to observers each night.
Order Sorting Filters |
Name |
Trans Curve Click on a thumbnail to
enlarge Click again to shrink down |
λC (μm) |
FWHM (μm) |
Notes |
Manufacturer |
Y |
|
ASCII |
1.048 |
0.152 |
|
J |
|
ASCII |
1.253 |
0.200 |
J2 can access a
region that J does not cover. |
H |
|
ASCII |
1.637 |
0.341 |
|
K |
|
ASCII |
2.162 |
0.483 |
Not intended for imaging |
Ks |
|
ASCII |
2.147 |
0.314 |
|
Image showing the broadband filter curves.
Image showing the transmission curves of the J2,J3,H1, & H2 filters
relative to the order sorting filters.