WFCCD – Specs

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WFCCD – Specs

Telescope:

  • Focal ratio: f/7.5

Scale:

  • At Focal plane: 10.8 arcsec/mm
  • At Detector: 32.3 arcsec/mm (0.484 arcsec/pixel)

Field:

  • 25 arcmin diameter

Detector:

  • WF4K: 4064×4064 (15 µm pixels)

Gain & Readout Noise:

Read
Speed
Gain
e/ADU
Read Noise
(e)
Slow
0.85 3.4
Fast
0.75 3.6
Turbo
1.4 4.8

Wavelength Range:

  • 3600-7600 Å

Grisms:

Grism Central Wavelength
(Å)
Dispersion
(Å/pixel)
Blue 4700 2
Red 6000 3
H & K 3700 0.8

Aperture Wheel: 

  • 4 positions (3 masks + 1 clear)

Filter/Grism Wheel:

  •  4 positions

Filters:

  • BVRI (3-inch diameter)

Staff Contact:

  • John Mulchaey (jmulchaey@ociw.edu)
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