3àė!!ŇŕŘ!
ÅEq{É]Gĩ1\ĚÇL

2013/03/12

3.8mũşšƆŬƇá¤ÛÒƅƈťŪžŰŸĜÅEq

850 ŉÅEqı!
 ĸřłĭŘļŉĮĿ. ı!
àÑõdŇŕŘ !
Ƈė ¬!
ƇėÄdïûÞÈP!~1%!

2013/03/12ĝ´ÚŃŊàÑõdŇ·IĉA(FGK1dwarf)6ŗŉ!
ÅEq{É
HARPS!staCsCcs!
Äd!
2003b %!~5m/s!
!!!!!!!!!!!!! ć!~1m/s!
!
Gas1giants!
P<10yr,!100ME>Mp!

~10%!

!
SuperEarth,!
Neptune1mass!
P<100d,!30ME<Mp!

~50%!
ðµóŉqÅŇŁĭłŉ!
ÍãµoêŇŁĭłŊ!
10@®êĀÀdŐŃŊŕĴèçĸřłĭŘ
2013/03/12

Mayor+!2011ĞIĉA6ŗŉÅEq{ÉExoplanet!staCsCcs!
Äd!
2003b %!~5m/s!
!!!!!!!!!!!!! ć!~1m/s!
!

P>10yr,!100ME>Mp!

~??%ĽľĹĪ5AU ŉ!
6ŉÅEqŊ!
àÑõdŃŉ ŊľWņĭ!
äÊņÍãµèçœĸřłĭņĭ!
2013/03/12ğIĉA6ŗŉÅEqgt
ŨŞċÁŽűƂŉ¾8ŕŗ!
AqŉgtúÀŊĪĪ!
(Ida&Lin!200411,!Mordasini+!2012)!
ƇŨŞgtŉŮşŻŬŦƈƂń!
ĩ¶ùŮşŻŬŦƈƂńŉ4ĭ!
ƇāYĀ(ůŬŲĀ)ŉC£ŊŤŬq!
ĩgtŉĔdŜŒĮŘÿÞņŵƀżƈŮ!
!
↓á¤ŃœqĔdńŉ¹ą P<4yr

2013/03/12

¯çŽűƂİŖŉ¾8ŃŊ!
3AU ýŉqĔdŇŁĭłŊkīŇıŘ!
Ƈ10AU óŃŊŎŏgtĸřņĭƓƓ!
ƇāYĀŇŕŘq½¬ŉ_³ıņĴņŘƓƓ!
ëƐ[Fe/H]<10.2!
ĐƐ10.2<=[Fe/H]<+0.2!
ÐƐ+0.2<=[Fe/H]!

Fischer&ValenC!2005Mordasini+!2012ĠĺŋŘ/HDSŜ°ĭĽėāYĀ6ŗŉqũƈźşŇŕŘÍãâÌ(Preliminary)

2013/03/12

Completeness!(3ÓņŮƈŧŰŲŉ&4)

SelecCon!Criteria:!
ƇSHK,!Subaru!<!0.03!
(M*==1MĨŜ P)!
ƇNobs!>!3!
!
252!stars!in!total!
!
Candidate:!
ƇN_obs!>!6!
ƇFAP!<!1%!
Ƈ16!stars!in!total!
!
Long!term!trends:!
ƇN_obs!>!6!
ƇFAP(f1test)!<!1%!
Ƈ16!stars!in!total!
●Ɛ6ŜsŇ !
●ƐăRVŲƃƆųİŖ6oŜsŇ )→ƐăRVŲƃƆųİŖ6ŉVŜ ġĺŋŘ/HDSŜ°ĭĽėāYĀ6ŗŉqũƈźşŇŕŘÍãâÌ(Preliminary)
SelecCon!Criteria:!
ƇSHK,!Subaru!<!0.03!
(M*==1MĨŜ P)!
ƇNobs!>!3!
!
252!stars!in!total!
!
Candidate:!
ƇN_obs!>!6!
ƇFAP!<!1%!
Ƈ16!stars!in!total!
!
Long!term!trends:!
ƇN_obs!>!6!
ƇFAP(f1test)!<!1%!
Ƈ16!stars!in!total!

2013/03/12

ėāYĀŃŊýŇÝÖ¼(>13MJ)ıFĭƓ!
ĩĩĩ→ĩ¯çƋŨŞċÁŽűƂƌŇŕŘ ¤ń³ņŘ}!
ĩĩĩĩĩĩĦÿ'NPŽűƂı/íƓ!
 Ĉ± ŊŅĮņŀłĭŘƓ!
ĩĩĩ→ĩqgtŽűƂŉüĭŇŕŀłêĀŉ!`ŇüĭıŃĲŘŉİ!
ĩĩĩĩĩƋŨŞċÁŽűƂŃŊŉêĀÀdŐŃı!
ĩĩĩĩĩgtŃĲŘJfņêĀƌ!
ĢĺŋŘ/HDSŜ°ĭĽėāYĀ6ŗŉqũƈźşŇŕŘÍãâÌ(Preliminary)
SelecCon!Criteria:!
ƇSHK,!Subaru!<!0.03!
(M*==1MĨŜ P)!
ƇNobs!>!3!
!
252!stars!in!total!
!
Candidate:!
ƇN_obs!>!6!
ƇFAP!<!1%!
Ƈ16!stars!in!total!
!
Long!term!trends:!
ƇN_obs!>!6!
ƇFAP(f1test)!<!1%!
Ƈ16!stars!in!total!
2013/03/12

u²Ɛ!
Čm¬ı$ĈŃĲřŋ6œ$Ĉ3Ó!
ĦRVţƈŷŜþ!µŇzįŖřřŋŕĭ!
ĩƋÄdı-!ņŖŋƌ6ŜOŇôĮnÞŊņĭ!
!
Ƌ5.5AUƌŃRVD*Ŋ12m/s!
ĦăNPƊ5m/s ŉÄdınĒ!
!
3.8mŉċ'ŊĪ650ŉŮƈŧŰŲ(V~9)ŉ!
ėÄdŶŢƄƈŞŰŸŇŁĭłńłœĘ'µ!
ĥ188cm!:!HIDES1FńËő4śĻĽŶŢƄƈŞŰŸŇŕŗ!
ĩGĀŉŮƈŧŰŲŇŁĭłÎÏµņŶŢƄƈŞŰŸı3!ģàÑõd¤PÄd1m/sŃ·xĺ!
Iĉĕ6ŗŉ@®êĀq{É
Alfa!Centauri!BŉàÑõdD+•ìėĔdá¤ŇŕŘĪ@®êĀŉqŉ{É!

Dumusque!at!al.!2012– ÂƎŉ@®ŉ´ßŌ!
– IĉĕŉqÅńIĉÅŉð!!
– mŌŉq×ŉ¯â!

•q{Éŉ·!
– K=0.3m/s

ŉqŉ

• >1~3Mearth@0.1~1AU!
• RV>D*!σ~1!m/s!

!

ęƐá¤§!
ëƐ0.05bin

6P=3.2!
yaK=0.51!
O1C=1.2m/s!
Error~0.71m/s!
á¤§=459!

• á¤u²:!188cmń3.8mŃĪ3ÓņĈŗá¤ĺŘ!
– ũƆŸƂŊ2~3(V<8)ŇĹłĪßįŘ ŊŅĿŖİŉýĂŃá¤!!
– ~5bŉŮşŻŬŦƈƂŃĪ500~1000; ŉá¤ŜØĮ!=>!1Meŉqŉ
2013/03/12
– Äd1m/s ınÞĩƋÄdııřŋnÞņá¤ı£Řƌ!

!
ĤKeplerďMŜ2ŗřĽ!
êĀ^6ŗŉÅEq{É•qÅŉoêŊmŉoêŇK!
– ^GqĔdŊmêĀńńœŇC(ĺŘńŉ¾8ƋBowler+!2010ƌ!
– êĀ^6ŗŉ»6q ƋgtúÀƓø+ĹĽmŇŕŘĖőñ
őƓƑe.g.,!Currie!2009,!Sato+!2008ƌ!

•[Z188cmĂƍHIDESŇŕŘêĀƋ1.515M!ƌGKA^q{É!

– ķřŐŃŇÆ30ŉqƇÝÖ¼Ŝ´ßƋe.g.,!Sato+!2013ƌ!
– ^ŉêĀƇø+ĊŉPŊHR=Ńø+ŲƀŰťı¢ŝŃĭŘĽŒčĹĭ!
ĩĩ"qÅŉmKoŜºŘŃŉGĲņ½PÞÈ!

•ďMƐpŉÔ*İŖþöŜæōŘv!
– ķřŐŃŊĪqŜœŁpŇTĹ@àÑõdá¤ıØśřłĲĽ!
– ĹİĹĪ@ŃŊ÷Ïá¤ŉ<čĸİŖäÊņŽƈų5PıčĹĭ!

•KeplerÙ!

– 2009bwĿĶĪ2×1015ŉìėÄd¤á¤!
• ^Őśŗŉ^GqŉŲƀƆūŰŲŜœŃĲŘÄd!

– ŲƀƆūŰŲľĵŃņĴďMŃœGĲņt!

2013/03/12

KeplerďMŇŕŗêĀƇø+ĊıŐŀłĭŘ!
^ŇTĺŘųŰŸƀƈÅEq{ÉĜěKepler'ŇŕŘ^ŉďMBedding!et!al.!2011

Δν

GMΔν R3−1N:¡'ƋBrunt1Vaisalaƌ!
ĩĩ6mċdıGĲĭ!
ƋNıGĲĭƌŎŅΔPŊVĸĭ!

ŹƁŠŻ©¨ƋRed!clumpƌΔP!(s)

⎡ N ⎤ΔP ∝ ⎢ ∫ dr ⎥⎣ r ⎦ΔP^ŉø+ĊŜ,"!
Clump^ŉêĀŜP
ųŰŸƀƈŇŕŘq{É!

2013/03/12È©¨ƋRGBƌ3

510Δν!(μHz)

20

ĜĜ

KeplerHŇTĺŘàÑõdÄS¤P
• KeplerHŊ3àŃ914ÃÀd!
• ^6ŗŉ^Gq ŇnÞņàÑõd¤PÄdŊm/s!(<10m/s)!
• 3.8mĂ°3àė!!:ŉàÑõd¤P!
– ſƈųŭƂƋăB«ĭƑHIDESÃƌ!
• ĳŗĳŗ10ÃĴŖĭŐŃŊ3ÓľŚĮ!
• HıĈŖřŘ!

– ð¥52lƋăBcĭƑHARPSÃƌ!

• 13ÃĴŖĭŐŃ3Ó!
• FĴŉHı{ÉTéŇņŗĮŘ!
2013/03/12ĜĝÿĭêĀ^ŉq{É•ÿĭŃ9ŉq{É!
– ^GqgtŉĈ±!
• »ĭ¶U7ĪýĭĎÑƓ!

– qÅŉêĀK!
– ķřŐŃŉq{ÉŃŊ!
• 2~4MJupiterêĀ^Gq
ŊK?ĺŘƓ!

•q{Éŉ·!

3AU

/ s@
­?ƐK=60mqıWņĭƓ!
or!
UA
3@s/m02·ƐK=ũƆŸƂîƓ– K=20m/sŉqŉ !
• 1~3MJupiter@1~4AU!
• RV>D*σ>20!m/s!

QÑƐ

1.5

3

Ĉ±4

• á¤u²:!188cmýĂń0'ĹłĪ300ŉŉq{ÉŌ!
– ũƆŸƂŜCŔĺƐĚ­?Ɛ100!(V<7)!=>!·Ɛ300!(V<8)!
– Äd~10m/sŃ-!ľıĪķřŐŃŕŗá¤ĔdŜĶĪá¤;ŜCŔĺ!
2013/03/12
– ~5bŉŮşŻŬŦƈƂŃĪ1ŇŁĭł30;Ŝ·!

ĜĞŐńŒ• IĉA6ŗŉÅEq{É!
– ƏAU ýŉqŇŁĭłŊ{É!
– ¸|~ŜËő4śĻĽòõņïû½P→ÍãµèçŌ!
– ªŇĪmāYĀńŉ¹ąŇŁĭłäĹĴºŗĽĭ!

– ÂƎŉ@®ŉ

Ŝ·xĺƋp*ŉÜƌ!

• ďŜ#°ĹĽ^ŉėÄdêĀP!w/!Kepler'– ^ĊŇĬŘpŉĪŕŗėÄdņmêĀVSqŵƀżƈŮ¹ąŉP!

• 3MĨ ŉ^:ċ'ŇŕŘŮƈŧŰŲCG!
– ŴŴſƆœ °ĹĽėĔdá¤!

ė)¬İŁăĄNP+ĹĽė!!:ŜƉ!
ð¥ņŅŜ°ĭĽìėÄd(1m/s )Ŝ·xĹĽœŉı¯rµ!

2013/03/12Ĝğ