McD Chip Characteristics and IRAF Parameters

These are the chip characteristics and some of the IRAF/ICE parameter information for McDonald Observatory CCD chips.

CCD

detname (comments)

imt

(used in login.cl)

Detector Type

(detpix)

Chip size Pixel size Bias Saturation Readout Noise
(e-)
Gain
(e-/D.N.)
Operating temperature
ra2 (82"Cass Echelle) imt31 u 1200x400 27 µ 4000 65k 5.0 2.0 -115° C
ti1 imt32 u 800x800 15.24 µ 3124 17k 7.3 3.3 -155° C
cc1 imt34 u 1024x1024 12 µ 4000 33k 5.0 2.5 -112° C
TK3 imt35 l 2048x2048 24 µ 1016 262k 2.7 0.55 -105° C
TK4 imt34 l 1024x1024 24 µ 1016 250k 3.5 0.7 -105° C
lf1 (30" PFC) imt35 u 2048x2048 15 µ 3100 65k 5.8 1.60 -100° C
xrk1 (rokcam/coolspec) imt512 u 256x256 ~1000

Please note that the listed bias, read noise and gain are only ballpark numbers and should be determined for each observing run. The actual values for each run will be determined by a noise test and the information given to the observers (except for coolspec/Rokcam).

Go here for further information on the CCD chips.

Go here for information on which computer to use for taking data.



Information last updated 03/29/2006. MF