------

([Fe/H])

M< 0.01 Msun(=13 Mjupiter) 0.01 Msun< M < 0.05Msun 0.05 Msun < M < 0.08 Msun 0.08 Msun < M

|| 0.01Msun 0.1Msun

CORAVEL51 PegLick

(CORAVELCORALIE)

5000-6000

M siniivsini

ice core

migration

Age-metallicity relation

SMRB0.1-0.2dexSMRSMRGonzalez 1997Gonzalez

(refractory(volatile)

(Tc: condensation temperature)TcSi,Fe,TcC,N,O,S,Zn

Tc

Sadakane et al. (1999), Gonzalez and Laws (2000) [C/Fe]0Smith et al. (2001) , Gratton et al. (2001)[X/H] Tc

2001

Tc

[Fe/H]=+0.4

core-accretion

(HD82943Li6)[X/Fe]volatilerefractory[Fe/H](disk instability?)(core accretion?)Santos et al. (2000-2004)

------Sadakane et al. (1999) HD217107COSadakane et al. (2001) HD38529()

2000 HIDES(2003)20012002

Takeda et al. (2001)[X/H]Tcvolatilerefractory

------Sadakane et al. (2002)[X/H]Tc

Sadakane et al. (2003):HD219542A+BGratton[X/H]Tc

(2003)0.27dex[X/H]TcLiGonzalezLi

(2003[Co/Fe]vs.[Ni/Fe]NLTE

(2003)Age-metallicity

(2003)HD145675, HD46375, HD49674[X/H]Tc

------

------[X/H] vs. TcTcCNO0.1dex

(CI,NI,OI)NLTE([CI],[NI],[OI])1-2(CH,NH,OH)CNOCI,NI,OINLTE

------5001000KNLTE

S5780KR(5550K)Q(5340K) P(5190K)[P/S] = A(P)-A(S) [P/S] = [P/Q] + [Q/R] + [R/S]= (A(P)-A(Q)) + (A(Q)-A(R)) + ((A(R)-A(S))NLTE

(P/S)^2=(P/Q)^2+(Q/R)^2+(R/S)^2

[C/Fe] [O/Fe](Santos et al.)

LiBe(Santos et al.)

-(Ibukiyama, Arimoto 2002)

[Fe/H] vs. Mconv(Santos et al.)

Teff(Bodaghee et al.)

(Santos et al.)

[X/H]Tc(2003)