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Upper limits for PH3 and H2S in Titan's atmosphere from Cassini CIRS

Abstract:
We have searched for the presence of simple P and S-bearing molecules in Titan's atmosphere, by looking for the characteristic signatures of phosphine and hydrogen sulfide in infrared spectra obtained by Cassini CIRS. As a result we have placed the first upper limits on the stratospheric abundances, which are 1ppb (PH3) and 330ppb (H2S), at the 2-σ significance level. © 2013.

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Journal:
Icarus More from this journal
Volume:
224
Issue:
1
Pages:
253-256
Publication date:
2013-05-01
DOI:
EISSN:
1090-2643
ISSN:
0019-1035
Language:
English
Keywords:
Pubs id:
pubs:405732
UUID:
uuid:a095ffc2-e4c6-4f96-a727-ebcaad245595
Local pid:
pubs:405732
Source identifiers:
405732
Deposit date:
2013-11-17

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