Bima array photodissociation measurements of HCN and CS in comet Hale-Bopp (C/1995 O1)

Lewis E. Snyder*, J. M. Veal, L. M. Woodney, M. C.H. Wright, Patrick Palmer, Michael F. A'Hearn, Y. J. Kuan, I. De Pater, J. R. Forster

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

20 引文 斯高帕斯(Scopus)

摘要

We present single-field images, cross-correlation spectra, and autocorrelation spectra of HCN and CS from comet Hale-Bopp (C/1995 O1) observed with the BIMA array. Haser modeling of our HCN images yields scale length values that are in excellent agreement with both the theoretical prediction and our previous mosaicked-image value. On the other hand, the same method applied to CS yields a scale length that is ∼ 10 times smaller than the commonly accepted value. Consequently, the CS fraction in comets would be increased with respect to some earlier determinations.

原文英語
頁(從 - 到)1147-1154
頁數8
期刊Astronomical Journal
121
發行號2
DOIs
出版狀態已發佈 - 2001 二月

ASJC Scopus subject areas

  • 天文和天體物理學
  • 空間與行星科學

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