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星•惑星系形成プロジェクト

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45m Legacy<br />

•<br />

<br />

NRO: <br />

NAOJ: ()<br />

JAXA: <br />

IoA: <br />

<br />

<br />

<br />

<br />

<br />

1. <br />

-- <br />

2. <br />

-- Oph<br />

3. <br />

-- @Taurus<br />

4. <br />

-- Oph<br />

-- @OMC


10000 AU<br />

<br />

<br />

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<br />

<br />

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<br />

<br />

<br />

<br />

<br />

<br />

<br />

1000 AU<br />

100 AU


1. <br />

<br />

<br />

<br />

<br />

<br />

<br />

10000 AU<br />

2. <br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

1000 AU<br />

100 AU<br />

3.


2010-2011<br />

• <br />

• starless core (Oph)<br />

• <br />

• chemistry (DM Tau)<br />

• <br />

• <br />

(Oph)<br />

• chemistry<br />

(OMC-2/FIR4)<br />

NRO<br />

<br />


1<br />

<br />

subPI (NRO), ()<br />

<br />

<br />

0.3pc


Target&<br />

&<br />

• AzTEC1.1mm<br />

<br />

→<br />

→45m<br />

<br />

• 41<br />

13 CO,C 18 O<br />

• starless core<br />

<br />

<br />

--: 13 CO(1-0)<br />

--:C 18 O(1-0)<br />

--:N2H + (1-0)


2<br />

<br />

subPI (IoA)<br />

/<br />

→<br />

→[e.g.,Dutrey+1997]<br />


• <br />

=> templateTDMTau<br />

• ALMA <br />

T100&SMA452GHz mode(dV~1.5km/s)<br />

4<br />

8GHz<br />

Array1<br />

Array2<br />

T100H<br />

85 100<br />

115<br />

Frequency [GHz]<br />

Array3<br />

Array4<br />

T100V


• 30GHztypical RMS=1-5 mK<br />

• :<br />

<br />

12<br />

CO(1-0)<br />

13<br />

CO(1-0) HCO + (1-0) HCN(1-0)<br />

• 2mm(Dutrey+1997)<br />

• : 30-40%<br />

• 45mAOS-H (Handa+1995)<br />

• resolutionsmearing<br />

• ()


ρ<br />

subPI (NAOJ)<br />

<br />

: T100&SMA45<br />

CH3OH6’x6’<br />

<br />

0.1pc<br />

outflow, dense gas, shock tracer<br />

: CH3OH mom0<br />

blue, red: CO flow<br />

white: <br />

<br />

CH 3 OHCH 3 OH<br />

blue lobe


OMC-2/FIR4<br />

<br />

FIR3N, FIR3, FIR4<br />

T100&SAM45<br />

subPI (NRO)<br />

CASA<br />

FIR3N<br />

FIR3<br />

FIR4<br />

---: CO(3-2) blue lobe<br />

---: NMA 3.3mm continuum<br />

→: outflow direction<br />

+: 45m<br />

: 2MASS(J,H,Ks)<br />

0.06pc<br />

• (Shimajiri et al. 2008)<br />

• FIR3N<br />

• Outflow<br />

• FIR3<br />

• Dense gas (Class 0/I)<br />

• Outflow ()<br />

• FIR4<br />

• <br />

• Dense gas<br />

• Outflow


OMC-2/FIR4<br />

<br />

: FIR3N, FIR3,FIR4<br />

--> outflow tracer<br />

: FIR3, FIR4<br />

--> dense gas tracer<br />

: FIR4<br />

--> shock tracer<br />

L1157

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