INTERPRETATION OF THE 4141 INVERSE CENTIMETERS (2.415 MICRONS) INTERSTELLAR INFRARED-ABSORPTION FEATURE

被引:25
作者
BUCH, V
DEVLIN, JP
机构
[1] OKLAHOMA STATE UNIV,DEPT CHEM,STILLWATER,OK 74078
[2] HEBREW UNIV JERUSALEM,FRITZ HABER RES CTR,JERUSALEM,ISRAEL
[3] UNIV ILLINOIS,DEPT CHEM,CHICAGO,IL 60680
关键词
INFRARED; ISM; LINES AND BANDS; MOLECULES; MOLECULAR PROCESSES;
D O I
10.1086/187491
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The recently discovered 4141 cm-1 interstellar infrared feature is argued to be a Q1(0) absorption of para-hydrogen. Adsorption of H-2 by microporous amorphous ice mantles is discussed as a possible source of the feature.
引用
收藏
页码:L135 / L138
页数:4
相关论文
共 37 条
[1]   CARBON DEPLETION IN TURBULENT MOLECULAR CLOUD CORES [J].
BOLAND, W ;
DEJONG, T .
ASTROPHYSICAL JOURNAL, 1982, 261 (01) :110-114
[2]   PREFERENTIAL ADSORPTION OF ORTHO-H-2 WITH RESPECT TO PARA-H-2 ON THE AMORPHOUS ICE SURFACE [J].
BUCH, V ;
DEVLIN, JP .
JOURNAL OF CHEMICAL PHYSICS, 1993, 98 (05) :4195-4206
[3]   ROTATIONAL SPECTRUM OF A QUANTUM ROTOR ADSORBED ON A ROUGH AND DISORDERED SURFACE - PARA-H-2 AND ORTHO-H-2 ON AMORPHOUS ICE [J].
BUCH, V ;
SILVA, SC ;
DEVLIN, JP .
JOURNAL OF CHEMICAL PHYSICS, 1993, 99 (03) :2265-2268
[4]   SPECTRA OF DANGLING OH BONDS IN AMORPHOUS ICE - ASSIGNMENT TO 2-COORDINATED AND 3-COORDINATED SURFACE MOLECULES [J].
BUCH, V ;
DEVLIN, JP .
JOURNAL OF CHEMICAL PHYSICS, 1991, 94 (05) :4091-4092
[5]   GROWTH AND STRUCTURE OF AMORPHOUS ICE CONDENSATES - A COMPUTATIONAL STUDY .2. [J].
BUCH, V .
JOURNAL OF CHEMICAL PHYSICS, 1992, 96 (05) :3814-3823
[6]   MOLECULAR-INTERACTIONS WITH ICY SURFACES - INFRARED-SPECTRA OF CO ABSORBED IN MICROPOROUS AMORPHOUS ICE [J].
DEVLIN, JP .
JOURNAL OF PHYSICAL CHEMISTRY, 1992, 96 (15) :6185-6188
[7]  
DHENDECOURT LB, 1982, ASTRON ASTROPHYS, V109, pL12
[8]  
DISSLY RW, 1994, PREPRINT
[9]  
DRAINE BT, 1985, PROTOSTARS PLANETS, V2, P621
[10]  
GREENBERG JM, 1973, IAU S, V52, P309