?????????PROCYON??? ????????? Lyman Alpha Imagin Camera (LAICA)???

1
?????????PROCYON????????????Lyman Alpha Imagin
Camera (LAICA)???
http//kuma1117.cocolog-nifty.com/blog/images/2011
/01/13/00001297.jpg
http//laika.paina.jp/

• ?? ??1 ?? ??1 ????2 ????1
• ?? ??2 ?? ?1 ???2 ????3
• 1???? 2???? 3ISAS/JAXA

2
(Hydrogen) Lyman Alpha Imaging CAmera
????2???????????????PROCYON?????
PROCYON ???59kg ??H630W550D550mm 2014?12??????
?
PRoximate Object Close flYby with Optical
Navigation
?????1?2????????(?????lt0.4Re)
?????????????????(??25-300Re)
?????3?????????(?????lt2.4Re)
3
???????
??????????????????(??gt400km)
?????????????
????????????????
?????????????
?????
??????a?(121.6nm)??????
??
4
?????????????
TWINS????LAD(Lyman Alpha Detector)?????
????? ? ????????
??
??
???????????????????????
?????????????
?????????????
???????????????
???????????????
???????????
5
????????????
???????3???????????
? ???????????????????????????
??????????? ? ?????????????????????????????
????? ? ???????????????
????????????????? ?????????????????????
????????????????
??????
6
?????????
?????12????(1??12??)
??????????
?3-8RE??????????????6?17??
??????????????????????????????
7
????????
????????????????????
???????20RE??????????
???????????????????
????????????????? ?Mariner 5 Wallace et
al.,1970, Apollo 16 Carruthers et al., 1976,
??? Tsuchiya, 2003??
lt??gt ???(?20RE)??????????? ????????????????? ?????
???????????(1??) ??????????????????????
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??????????????

• (1) ???(gt8RE)?????(H Ly-a)?????
• ????????????????????????????1??????????(Mariner
  5 16RE, Apollo 16 10RE, Nozomi 24RE )
• ?????????714?
• ???????????????????????????

• (2) ?????????????????
• 3-8RE???????????????????????????Bailey and
  Gruntman, 2013
• ?????????10?3??
• ??????????????????
• ?????????????????

Apollo 16??????????????????1shot?2????????????????
? Carruthers et al., 1976
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LAICA(Geocoronal Hydrogen) Lyman Alpha Imaging
CAmera
 
???Bepicolombo/MPO??????PHEBUS/FUV???
??????????? ?????????(AlMgF2)
?????????????
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LAICA(Geocoronal Hydrogen) Lyman Alpha Imaging
CAmera
 
???Bepicolombo/MPO??????PHEBUS/FUV???
??????????? ?????????(AlMgF2)
?????????????
11
????????
???1??????160µm
?FOV3??????????lt160µm
?????? X,Y??1mm?? Z??0.06mm??
12
???? (??????)

• ????/-1.5deg???

???????????????????????????????1/100??
13
?????(???)
Primary/Secondary mirror bandpass filter were
attached using a space-qualified adhesive and
glass beads (f100 µm)

• Vibration, shock, and thermal tests

Vibration level27 Grms
Shock level1000 G
Primary mirror
Temperature range-20??60?
14
Adhesion of PM mirrors
? Primary mirror
Mixture of Space-adhesive glass beads
? Secondary mirror
15
Focus adjustment
?OK ??(60?) ???????
16
??????
?? 2200??
17
???
?????????PROCYON???????????? ?????????
?????????????????(8Re?20Re)??? ??????????
?????????????????(12h?2h)????? ???????
????????????????????????? (?????????????????)
????????????????????2???????????????????????????
??????????????????????????????????????????????????
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