HBS$B4XO"Js9p(B

2000$BG/(B5$B7n4|(BCCD$B@-G=3NG'(B

May 24, 2000.

1. CCD$B@-G=3NG'(B
   

   $B%I!<%`%U%i%C%H2hA|$rMQ$$$F!"(Bgain($B%+%&%s%HCM$H$=$NJ,;6$N4X78$h$j(B)$B!"(B linearity($B@QJ,;~4V$KBP$9$k%+%&%s%HCM(B)$B!"(Breadout noise($BJ#?t(Bbias frame $B$h$j(B)$B$rB,Dj$7$^$7$?!#7k2L$H$7$F$O!"0J2<$N$h$&$K$J$C$F$*$j$^$9$,!"(B $B:rG/(B(http://optik2.mtk.nao.ac.jp/HBS/hbsccd.html)$B$N7k2L$HBg$-$J(B $BJQ2=$O$"$j$^$;$s$G$7$?!#(B
   $B:#2s$N2r@O$OBg;(GD$J3NG'DxEY$N$b$N$J$N$G!"(Bconversion factor$BEy$O(B $B:#8e$b$3$l$^$G$NCM$rMQ$$$k$N$,$h$$$H;W$$$^$9!#(B
   

   $B:#2s$NCM(B
   • gain $B!A(B 0.54 [ADU/e-] (conversion factor $B!A(B 1.85)
   • readout noise $B!A(B 3.9 ADU (7.1 e-)
   • linearity $B!A(B 60000 ADU$B$^$GNI$$798~(B

   
   $B%+%&%s%H(B-$BJ,;64X78(B(gain$B$NB,Dj(B)

   
   linearity

2. shutter$B3+JDB.EY(B
   

   $B:#G/(B4$B7n$NElKLBgCf;3;a$NJs9p$HF1$8J}K!$G!"(BCCD$B%7%c%C%?!<$N3+JDB.EY(B $B$rB,Dj$7!"$3$NJs9p$HF1DxEYB.EY$G$"$k$3$H$r3NG'$7$^$7$?!#(B $B$?$@!":G6a$N%7%c%C%?!

   
   $B%7%c%C%?!H

3. CCD$BNd5Q(B
   

   $B:#2s!"(BCCD$B%+%a%i$N29EYI=<($,0[>oCM$r<($7$F$*$j!"

   ---------------------------------------
    2000.5-6 $B4|(B
        HBS$B4QB,(B($B2,;3(B91cm)$B$K$*$1$k(B
                  CCD $BG.EEN.$K$D$$$F(B
       2000.5.24  $B=)EDC+(B $BMN(B
   ---------------------------------------
   
   [1] $B$O$8$a$K(B
    $B:#4|$N4QB,=i4|!"(B5/18$B$3$m$+$i(BCCD(S5 Cryocam)$B@)8f%=%U%H>e$N(B
   $B29EYI=<($,!"L@$i$+$K(BCCD$B29EY$rH?1G$7$F$$$J$$0[>oCM(B($B!^(B60$B!k(BC$B$N(B
   $B4V$G$P$i$P$i(B)$B$r<($9$h$&$K$J$C$?!#(B
    $B$^$?!"%=%U%H>e$N(BCCD$BNd5Q29EY@_DjCM$K$h$i$:!">o$K:GBg=PNO$GNd5Q$,(B
   $BB3$$$F$$$k$h$&$G$"$k!#(B
   
    $B$3$N$h$&$J>u67$G4QB,$9$k$K$"$?$j!"(B
    (1)CCD$B29EY$O.$5$$$+(B
    (2)$B305$29$K$h$C$F(BCCD$B29EY$,JQ2=$9$k$H9M$($i$l$k$,!"$=$NJQF0$NDxEY$O(B
       $B$I$NDxEY$+(B
   $B$,LdBj$H$J$k!#(B
   
    $B4QB,4|Cf$Kl9g!"(BCCD$B29EY$O(B-60$B!k(BC$BBf$^$G(B
   $BDc2<$7$F$$$k$h$&$G$"$k!#$3$N>l9g!"D9;~4V@QJ,(B(> 200sec)$B$G$J$$8B$j!"(B
   $BG.EEN.$O5$$K$J$i$J$$DxEY$G$"$k!#(B
    $B$7$+$7!"305$29$dGS5$$N>u67$K$h$C$F$O(BCCD$B29EY$,JQ2=$9$k$h$&$J$N$G!"(B
   $B;~!9(B100$BICDxEY$N(Bdark$B2hA|?tKg$H$=$NA08e$N(Bbias$B2hA|$r
       
   
   
   
   $BFI$_$@$7%N%$%:$HG.;(2;$,Ey2A$K$J$k@QJ,;~4V8+@Q$b$j!#(B
       
       
       
   
   
       $BCm(B)$B>e5-0[>o$O!"(B2000.7$B$N=$M}$G2~A1$5$l$^$7$?(B(2000.7.27)
   
        
   
   
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   $B=)EDC+(B $BMN(B
   (akitaya@astr.tohoku.ac.jp)