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Measurement of CH3D on Titan at submillimeter wavelengths

Abstract:

We present the first radio/submillimeter detection of monodeuterated methane (CH3D) in Titan's atmosphere, using archival data from of the Atacama Large Millimeter/submillimeter Array (ALMA). The J K = 21−11 and J K = 20−10 transitions at 465.235 and 465.250 GHz (~0.644 mm) were measured at significance levels of 4.6σ and 5.7σ, respectively. These two lines were modeled using the Non-linear optimal Estimator for MultivariatE spectral analySIS (NEMESIS) radiative transfer code to determine t...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.3847/1538-3881/ab19bb

Authors


Cordiner, M More by this author
Charnley, S More by this author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Subgroup:
Atmos Ocean & Planet Physics
Oxford college:
St Anne's College
Role:
Author, Depositor
ORCID:
0000-0002-6772-384X
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Publisher:
IOP Publishing Publisher's website
Journal:
Astronomical Journal Journal website
Volume:
157
Issue:
6
Article number:
219
Publication date:
2019-05-07
Acceptance date:
2019-04-14
DOI:
EISSN:
1538-3881
ISSN:
0004-6256
Pubs id:
pubs:1003113
UUID:
uuid:d53e55b7-5132-4b4c-b5d1-11bb3d0f0a27
Source identifiers:
1003113
Local pid:
pubs:1003113

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