Title: ?????????(TAO)
1?????????(TAO) ??????????
????????????? ?? ?? ?? ?? ?? ??
?????? ????????????? ??????????? ????????? ????
?
2????????????
? ???????? ? ??????? ? ?????????????????
3???????????? ????????
??(5000m??)????????????? ? (?)???????? ????????
?? ? ??????? ? ????????????? ? ???? ? Chopping
4???????????? ???????
?????(D2O)????
?????????? ? F?????? ? ?????? ?
?????????????
5???????????? ?????????????????
??????????? ?????????? ??????dead time????
?????????? ? ????1??? ? ??????????????
6????????????
???????? ???1?
?????? ?????????
??? ???F?????
?????????????????
7?????????? ???
???6.5m?F 1.25 ????????
????????????????? Caseegrain? Gregorian??
Ritch-Cretien? Classical?? ??F?
8?????????? Cassegrain?Gregorian??
Cassegrain
Gregorian
Cassegrain Gregorian ????
?? ?????? ???? ???? ????? ???
? ????????? ??
9?????????? Cassegrain?Gregorian??
Cassegrain Gregorian M2??? ???
??? M1-M2?? ??? ???
M2??
M1-M2???
M2???
F?
F?
10?????????? Ritchy-Cretien?Classical??
Classical? RC?? ????? (??30???)
RC????????????F??????RC??? ??????F???????? Clas
sical???F?????????? ???????????????????????
? ???????????
11?????????? ??F?
??F?????????????? ???M2??????
? ???F????
???????????????????? ????????????????MAX???
??? ?? f70cm (Silica????100cm?)
??? f30cm ? ??????????????????????
F?????????????
12?????????? ??F? ??????
?????
F?
? F??????????????
13?????????? ??F? M2???????
M2??
F?
F?????M2?????? ?????????? ? ?????????F????
14?????????? ??F? ??????
??? ?????
??? ?????
F?
F?
15????????
???????? ? M2??????? ? Cassegrain ?
F???????? ?????? ? ???F ? ????F????
(? Gregorian??????????????????) ????????
? M2???????? ? Classical????RC???? ?
F???
16????????
Cassegrain???
???????? ???1? RC?????????
?????? ???? F??
??? F???
F?
F5
F15
F??????????
17???????? F????????
???? ???????????????? ? ???????????
???? ????(Zerodur??)???????SiC
????? ??????(1.81g/cm3)? ??????????
????????? SiC ?????????? ??
?????????Zerodur?????
18???????? F????????
Aspect????(7)?????
M2????????
M2???
F?
F?
50 lightweighted??F15?? 80 ??F12?????????
19???????? F????????
????
F12??? ??????????? f44arcmin ???????????
f30arcmin ??? f13arcmin
D2O????? f44 ? 640002m2 SupCam ??5?????
20????
Cassegrain Ritchy-Cretien ??? ?? ?? 6.5m F?
1.25 ?? ???? ?? 935mm ?? 135mm ??
50 kg (lightweighted 80) ??F? 12.0 Plate Scale
2.65 arcsec/mm 380µm/arcsec ??? ??(??????)?
f1m ?? f44 ??(??????)? f70cm f30
???? f30cm f13
21???? ????????
?? ?? 935mm ???? 2511mm ??????
1.542461 ?? 135mm ?? 50kg
6998mm
?? ?? 6.5m ???? 16250mm ?????? 1.003381
Backfocus 4000mm
22???? ?????(??????)
1650mm
???? R1766.5mm
10mm???? 30um????? 30mm 250um
950mm
Silica
23???? ?????(??????)
0.90micron
0.55micron
0.42micron
??????????
????
R13arcmin
R20arcmin
1?100um
24???? ??????
1030mm
BaF2
CaF2
CaF2
BaF2
S-FPL53
CaF2
S-TIH14
S-TIH14
CaF2
Silica
180mm
25???? ??????
K-band
H-band
J-band
??????????
????
R2.4arcmin
R3.6arcmin
1?200um
26???? ???????
??????? ???????
??????? ????????
????1 ???????
????2 ????????
?????? ????? ????
????? ??????
??????? ??????
27???? F/15 AO??
??Steward?????AO?? F/15(??? D640mm)
????????? Classical????
28???
TAO?????? ????????????? ??????????????????
??F????????? RC-Cassegrain F12?????
???????????????????? ?????935mm ??
??f44arcmin ???f13arcmin ? ??????????????????