??X?????(MAXI)????? (Monitor of All-sky X-ray Image)

1
??X?????(MAXI)????? (Monitor of All-sky X-ray
Image)
??? ????? ???? ????? ???? ????? ????? ????? ?????
?? (????)??? ????? ????? ?? (??????)??? ???? ??
(???)??? ?????? (???)??? ????? ?? (???)??? ? (??)
MAXI??????? http//www-maxi.tksc.jaxa.jp/
??
E-mail katayama.haruyoshi_at_jaxa.jp
MAXI?????X???????????????????????
??????????(ISS)??????(??????????)????????????(???)
????????????? MAXI??2???X????????GSC (Gas Slit
Camera)??SSC (Solid-state Slit Camera)????????????
?????????????? X?CCD??????? 2 --30 keV? 0.5 --10
keV ?X????????????????????????????????????????????
????????????? MAXI????????????????????????????????
??????????????????????????????????????????????????
??????????????????????????(?????????
???????)??????????????????????????????????????????
?????????????????? ??????????X????????????????????
????MAXI??????1000?????X????1??????????X??
????????????????????????????????????????X?????????
???????????????? ??????X??????????????????????????
??????????????????????????????????????????????????
??????????????????????????????????????????????X???
??? ????? ???JAXA????????????????????????????????
?????????????? 2008????????H-IIA?????????????
???????
MAXI?????
???X??? mCrab
MAXI???
MAXI?X???????????????????? MAXI???????????????????
????????????????? ???????????????????????????????
MAXI????1000????X????1???????????X???????90??1????
???????????X???????????????????
??????? ??
MAXI??????????????X?????????????????????????X?????
?????????????????????????????????????????????
MAXI???????????????????????????MAXI???????????????
????????
MAXI???
X????????????
??????????(ISS)
?????
?????
???????
????
?????
Solid-state Slit Camera (SSC)
Gas Slit Camera (GSC)
???????????
?? 330 480 km ????? 51.6? ????
96?
MAXI
??? ? 500 kg????1.5X1x1m
1???????
?????X???????????1??(X??)????????????????Y????????
?????????????????????(X,Y)?????????????????????1
???????????????????????GSC???SSC???????GSC?SSC????
?6???2????????????????????????????????ISS????????9
6?????????????????????????????
Solid-state Slit Camera (SSC)
Gas Slit Camera (GSC)

?E145eV
48cm
20cm
???????????
36cm
?????
??????
SSC??????????
SSC????CCD
2-30 keV ?X??????????????????????????????1????????
??????????10µm??????12??????????????????????????50
00??cm??????
0.5 -10 keV ?X??????????????X?CCD????????2424µm?
????? 10241024?16 CCD 2 ????????????200
??cm?JAXA????(????????)????????????
1??1517????ISS??????????????JAXA?????????X???????
??????????????????????30??????????????????????????
??MAXI???????1??????????????
????
MAXI???????????
?????? 160?(??)1.5?(???)????2?????? ???????????????????2? 96?(ISS???????)??????9098????
???? ????????1.5?(???)? ????????(accuracy) 6?????
?????????? 230 keV ?X??????? ??? 18_at_5.9 keV?
????? GPS???????120µsec????
????(5s???) 10 mCrab(1??)?1mCrab(1??)?
?????? 90?(??)1.5?(???)????2?????? ???????????????????1.3 96?(ISS???????)???????70????
???? ????????1.5?(???)? ????????(accuracy) ?6?????
?????????? 0.510keV ?X?????????? lt 150 eV_at_5.9 keV?
????? 316? (CCD???????????????)?
????(5s???) 20 mCrab (1??)? 2 mCrab (1??)?
????????? ??????50?????????????????? X???????????????????????????????????????????????30????
??????? ????????????????????X????????????????????????20?3???
????? ????????????????????????????????????????
????? ????????Web?????????????????????X??????????????????????????????

• MAXI????????? 2004?3??CDR(????)?????????????????
  ???????????2006?4?????????????????2008??H-IIA
  ??????????(????)
• GSC
• ??? ?????12????4???8??????????????3???????????
  ???
• ?????? EM???????PFM???????????????????
• SSC
• EM???????????PFM?????????????
• ??????????????????????????????
• ?????????????????????????????????48?????????????

GSC
SSC
????
??????
?) ???????mCrab????Crab Nebula
(????)?X????1000??1????