Boller & Chivens Specs

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Boller & Chivens Specs

Telescope:

Focal ratio: f/7.5

Collimator:

Focal length: 675 mm

Camera:

Focal length: 140 mm

Scale:

At Focal plane: 10.83 arcsec/mm
At Detector: 51.9 arcsec/mm (0.70 arcsec/pixel)

Slit Length:

25 mm (271 arcsec)

Detector:

Marconi#1: 2048 x 515 (13.5 µm pixels);  Q.E.  

Wavelength Range:

  • 3100-10000 Å

Gain, Readout Noise & Readout Time:

Read
Speed
Gain
e-/ADU
Read Noise
(e-)
Read Time
(sec)
Slow1.03.121
Fast0.93.312
Turbo1.74.38.5

Gratings:

l/mmBlaze (Å)
(order)
Dispersion
(Å/pixel)
Wavelength
Coverage (Å)
Comment
30050003.06230 
60050001.63210 
60075001.63210 
6006250(2)0.801630blaze = 1.25 µm
6006133(3)0.521060blaze = 1.84 µm; vignetted!
83280001.22360 
120040000.801630 
120050000.8001630 
120075000.801630 

Blocking Filters:

  • BG38, WG360, GG400, GG420, GG455, GG495, GG570, RG610

Staff Contact:

  •  Mark Phillips (mmp at lco.cl)
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