HBS $B%l%]!<%H(B
HBS CCD$B%+%a%i(B $B@-G=I>2A(B - 2000.7 ; TI CCD -
July 24, 2000.
2000.7$B7n4|$N2,;3(B91cm$B6@(BHBS$B4QB,$K$"$?$j!"(BHBS$BMQM=Hw(BCCD(TI TC215 chip; T5A
CRYOCAM)$B$N4pK\@-G=$N%A%'%C%/$r9T$C$?(B(7/22-23)$B!#(B
readout noise$B$,!A(B20e-$B$H9b$$CM$r<($7$?!#8=:_$N$H$3$m860x$OITL@!#(B(2000.4$B$N(B188cm$B6@$G$N4QB,$G$bF1DxEY(B)
$B$=$NB>$O35$MNI9%$J7k2L$rF@$?!#(B
$B35MW$r0J2<$K<($9!#(B
CCD$B@_Dj(B
| gain |
1x8 |
| offset |
8300 |
| binning |
1x1 (no binning) |
gain
count$BCM$H(Bcount$BCMJ,;6$H$N4X78<0$h$j!"(B
- gain
- 0.93$B!^(B0.05 ADU/e-
- conversion factor
- 1.1 e-/ADU
$B%+%&%s%HCM(B-$BJ,;64X78%0%i%U(B
readout noise
bias$B2hA|$N3F%T%/%;%k2hA|4VI8=`JP:9$h$j(B
| ADC speed |
readout noise |
| 100 kHz |
20.0 e- |
| 200 kHz |
19.0 e- |
AD$BJQ49B.EY$4$H$N(Breadout noise$B!#(BCCD$B29EY!A(B-50$B!k(BC
$B$3$l$^$G$NB,DjCM(B7.6e-$B$h$jBg$-$$(B
readout noise x$BJ}8~J,I[(B(ADU$BC10L(B)
readout noise y$BJ}8~J,I[(B(ADU$BC10L(B)
( e- $BC10L$K$9$k$K$O!"(Bconversion factor 1.1$B$r$+$1$k!#(B)
bias profile
x$BJ}8~(B1$B%T%/%;%k$4$H$K8r8_$KL@@~$H0E@~$,8=$l$k(B($B:9$O!A(B60ADU$BDxEY(B)$B!#$=$l$>$l$N@~$O(By$BJ}8~$K$O$[$\0lDj$NCM$r$b$D!#(B
bias x$BJ}8~J,I[(B(ADU$BC10L(B)
bias y$BJ}8~J,I[(B(ADU$BC10L(B)
dark current
| CCD$B29EY(B |
dark current (median$BCM;HMQ(B) |
median$BCM(Bx10$B0J>e$N%+%&%s%H$r$b$D%T%/%;%k?t$N3d9g(B |
| -39.5 $B!k(BC |
0.13 e-/pixel/sec |
0.13 % |
| -44.4 $B!k(BC |
0.11 e-/pixel/sec |
0.10 % |
| -48.0 $B!k(BC |
0.07 e-/pixel/sec |
0.11 % |
$B3F29EY$4$H$N(Bdark$B$H(Bhot pixel$B$N3d9g(B
linearity
30000-40000 ADU$B$"$?$j$+$i
$BB,Dj$K;HMQ$7$?(Bdome flat image; $BHf3SE*%U%i%C%H$J(B[511:540,591:670]$BNN0h$r;HMQ!#(B
(3D$B2hA|(B|
$BEy9b@~(B)
$BFbIt(Bshutter $B3+JDB.EY(B
$BCf;3(B(2000)$B$NJ}K!$GB,Dj!#(B
| $B%7%c%C%?!
| 20000 pixel/s (0.24 m/s) |
| $B3+JD=jMW;~4V(B |
5/100 sec |
$BJP8wEYB,Dj8m:9(B
(t:$B@QJ,;~4V(B[s]) |
0.5% / t |
shutter$B3+JD$K$h$k>H
$B2hA|FbJ,I[(B|
y$BJ}8~J,I[(B
$B;29M;qNA(B
Site CCD$B$N@-G=D4::(B
$B7k2L$*$h$S4XO"Js9p(B
$B=)EDC+(B $BMN(B
(akitaya@astr.tohoku.ac.jp)