UIE谱带及起源 STretch CH seth Plateau 需分人 140 120 NGC7027 NGC 7027 Orion bar 640. no network H i0yo112162 Onon Bar(H251) 33um<sp2← Aromatic Wavelength(um 34m<$p3← Aliphatic, Vibration of Hydrocarbons Superhydrogenation Tielens( 2008 Hony+(2001) Robertson+(2002); Onaka (2015)UIE 谱带及起源 NGC7027 Orion Bar Tielens (2008) Hony+ (2001) Robertson+(2002); Onaka (2015) ➢ 3.3mmsp2  Aromatic ➢ 3.4mmsp3  Aliphatic, Vibration of Hydrocarbons Superhydrogenation