ICCAS OpenIR
INFRARED SPECTRA OF AMMONIA-WATER ICES
Zheng, Weijun1,2,3; Jewitt, David1; Kaiser, Ralf I.2
2009-03-01
Source PublicationASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
ISSN0067-0049
Volume181Issue:1Pages:53-61
AbstractWe conducted a systematic study of the near-IR and mid-IR spectra of ammonia-water ices at various NH(3)/H(2)O ratios. The differences between the spectra of amorphous and crystalline ammonia-water ices were also investigated. The 2.0 mu m ammonia band central wavelength is a function of the ammonia/water ratio. It shifts from 2.006 +/- 0.003 mu m (4985 +/- 5 cm(-1)) to 1.993 +/- 0.003 mu m (5018 +/- 5 cm(-1)) as the percentage of ammonia decreases from 100% to 1%. The 2.2 mu m ammonia band center shifts from 2.229 +/- 0.003 mu m (4486 +/- 5 cm(-1)) to 2.208 +/- 0.003 mu m (4528 +/- 5 cm(-1)) over the same range. Temperature-dependent shifts of those bands are below the uncertainty of the measurement, and therefore are not detectable. These results are important for comparison with astronomical observations as well as for estimating the concentration of ammonia in outer solar system ices.
KeywordInfrared: General Methods: Laboratory Planets And Satellites: General
DOI10.1088/0067-0049/181/1/53
Indexed BySCI
Language英语
WOS IDWOS:000263912400002
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/66974
Collection中国科学院化学研究所
Corresponding AuthorJewitt, David
Affiliation1.Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA
2.Univ Hawaii, Dept Chem, Honolulu, HI 96822 USA
3.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, State Key Lab Mol React Dynam, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Weijun,Jewitt, David,Kaiser, Ralf I.. INFRARED SPECTRA OF AMMONIA-WATER ICES[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,2009,181(1):53-61.
APA Zheng, Weijun,Jewitt, David,&Kaiser, Ralf I..(2009).INFRARED SPECTRA OF AMMONIA-WATER ICES.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,181(1),53-61.
MLA Zheng, Weijun,et al."INFRARED SPECTRA OF AMMONIA-WATER ICES".ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 181.1(2009):53-61.
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