Fan Mountain Observatory 31-inch - NSF Fan Mt. NIR Camera - "FanCam"
The instrument homepage for FanCam is
here.
Telescope:
- Focal Length: 480 inches
- Focal ratio: f/16
- Scale: 16.92 arcsec/mm
Camera:
- Field of View(FOV): 8.7 arcmin square(1.215 inch square linear)
- Plate Scale: 0.5098 arcsec/pixel
- Field Curvature: < 50µm across the FOV
- Distortion: < 0.1 pixel on 90% of the field, < 0.5 pixels at the corners
- Limiting Magnitude (10σ in 10 min. on source): 19.0 (J), 18.0 (H) and 17.0 (Ks)
- Astrometric Accuracy: Picture(soon)
- Limiting Magnitude in Spectroscopic Mode: Not installed yet
- Limiting Magnitude in Polarimetric Mode: Not measured
Detector:
Rockwell Hawaii-I 1024-square HgCdTe array
- Spectral response: 0.85 - 2.5 µm
- Pixel size: 18.5 µm
- Gain: 4.6e-/DN
- Read Noise: 17e-rms
- Dark Current: very low, not detected
- Operability: > 99%
- Well Capacity: ~ 105e-
- QE: > 60%
Filter Wheels:
FanCam has two filter wheels with 8 1-inch diameter filter slots each
- Filter Wheel 1: J, H, Ks, H2, Br-γ, Y
- Filter Wheel 2: K, Pa-β, Fe-II, Polarizer-1, Polarizer-2, Grism-1(not installed yet),
Grism-2(proposed)
More information on the filters can be obtained at the
Fan Mountain Filters Webpage.
Staff Contact:
