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Mauna Kea Photometric Filters in GNIRS
The filters listed below may be used for photometry on the Mauna Kea system. As they vignette the outer portions of the GNIRS acquisition keyhole, they should not be used for purposes of acquisition for spectroscopy.
| Mauna Kea Photometric Filters in GNIRS | |||||
| Filter Name | Wavelength range | Transmittance plot measured in GNIRSa |
Transmittance numerical data measured in GNIRSa |
Transmittance curve from manufacturer |
Gemini ID |
| Yb | 0.97-1.07µm | - | - | - | G0544 |
| J-MK | 1.17-1.34µm | yes | yes | - | G0545 |
| K-MK | 2.03-2.37µm | yes | yes | - | G0546 |
bhas a long-wavelength leak; we intend to block this in the summer of 2014.