34pm谱征: Aliphacity F1(halo) F2(halo) G2(holo 44A~小响-~MM AN H1(holo) eroE H2(halo) I1(holo) 12(holo) wvng《m J1(halo) Yamagish et al (2012)
3.4 mm谱征: Aliphacity Yamagish et al. (2012)
34m谱征: Aliphacity Wavenumber(cm-1) 3100 3000 2900 2800 0.4 34μm谱征起源: Orion Bar: Emission Spectrum(FJ) Aliphatic 0.3 superhydrogenation? Superhydrogenation 340m aliphatic? 347m3.51ms56gm anharmonicity 0.2 二 0.1 Nc,aliph、A3 3.3 N C,arom A 3.3 GCS 3: Optical Depth (TA)k ww(Galactic center source 3 入(um) Phenanthrene Perylene Li Draine(2012)
3.4 mm谱征: Aliphacity Li & Draine (2012) 3.4 mm谱征起源： ➢ Aliphatic？ ➢ Superhydrogenation? ➢ Anharmonicity？
34m谱征: Aliphacity 口模拟各种星际辐射场下 Aliphatic-PAH光谱 Draine Li 2001; Draine Li 2007) dP Jx(Nc)=/ Cabs(Nc, A)4 BA(T dT Cabs(Nc, A)= Cabs (Nc, aro, A 213.4A3.4Oint3.3(A34/A33) C. ali 丌(入/入34-A3.4/入)2+73.4 216.8568501nt6.2(46.85462) Nc. ali 丌(入/A6.-6.85)2+6.s5 2725入7.250int.2(47.25/A6.2) C.ali 丌(入/A725-入7.25/入)2+25 Nc=24,NC.a=0-12;U=1,102,104,10;MMP83,T=6000K,22000K
模拟各种星际辐射场下Aliphatic-PAH光谱 (Draine & Li 2001; Draine & Li 2007 ) NC = 24, NC,ali = 0-12;U=1, 102 , 104 , 106 ; MMP83, T=6000K, 22000K 3.4 mm谱征: Aliphacity
A3.4/A3.3: Calculated Molecules .∞∞ 8888 1-2-maphthyl-l-phenyletheme 1,12-tripheay Betwen Pyre17 Pyre110 tEk-l--maphtbyl-1,diphenyl I-naphtholkl-dpbenkeu
A3.4/A3.3: Calculated Molecules
3.443.3° MethyI-PAH 2.5 Aliphatic-to-Aromatic C-H Stretch Band Ratio Calculated for Methyl-PAHs 2.0 1.5 This work:14<A/A4<23,|<A/A>≈1.76 Li draine(2012):A,/A, a 0.68 1.0 Yang et al.(2013)
A3.4/A3.3: Methyl-PAH Yang et al. (2013)