A SEARCH FOR HYDROXYLAMINE (NH2OH) TOWARD SELECT ASTRONOMICAL SOURCES

被引：40
|
作者：
Pulliam, Robin L. [1 ]
McGuire, Brett A. [2 ]
Remijan, Anthony J. [1 ]
机构：
[1] Natl Radio Astron Observ, Charlottesville, VA 22903 USA
[2] CALTECH, Div Chem & Chem Engn, Pasadena, CA 91125 USA
来源：
ASTROPHYSICAL JOURNAL | 2012年 / 751卷 / 01期
基金：
美国国家科学基金会;
关键词：
astrochemistry; ISM: molecules; SPECTRAL-LINE SURVEY; HOT MOLECULAR CORES; ACETIC-ACID; AMINO-ACIDS; INTERSTELLAR GLYCINE; GRAIN CHEMISTRY; ORION-KL; GHZ; PROTONATION; CLOUDS;
D O I：
10.1088/0004-637X/751/1/1
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Observations of 14 rotational transitions of hydroxylamine (NH2OH) using the NRAO 12 m telescope on Kitt Peak are reported toward IRC+10216, Orion KL, Orion S, Sgr B2(N), Sgr B2(OH), W3IRS5, and W51M. Although recent models suggest the presence of NH2OH in high abundance, these observations resulted in non-detection. Upper limits are calculated to be as much as six orders of magnitude lower than those predicted by models. Possible explanations for the lower-than-expected abundance are explored.
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页数：7
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