An ISO Long Wavelength Spectrometer detection of CH in NGC 7027 and an HeH + upper limit | Zendy

X.- W. Liu | Zendy; M. J. Barlow | Zendy; A. Dalgarno | Zendy; Jonathan Tennyson | Zendy; T. Lim | Zendy; B. M. Swinyard | Zendy; J. Cernicharo | Zendy; P. Cox | Zendy; J. P. Baluteau | Zendy; D. Péquignot | Zendy; Nguyen-Q-Rieu | Zendy; Roger Emery | Zendy; P. E. Clegg | Zendy

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An ISO Long Wavelength Spectrometer detection of CH in NGC 7027 and an HeH + upper limit

Author(s) -

X.- W. Liu,

M. J. Barlow,

A. Dalgarno,

Jonathan Tennyson,

T. Lim,

B. M. Swinyard,

J. Cernicharo,

P. Cox,

J. P. Baluteau,

D. Péquignot,

Nguyen-Q-Rieu,

Roger Emery,

P. E. Clegg

Publication year - 1997

Publication title -

monthly notices of the royal astronomical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.058

H-Index - 383

eISSN - 1365-8711

pISSN - 0035-8711

DOI - 10.1093/mnras/290.4.l71

Subject(s) - physics , planetary nebula , spectrometer , line (geometry) , wavelength , astrophysics , spectral line , infrared , nebula , photodissociation , emission spectrum , atomic physics , optics , astronomy , stars , mathematics , chemistry , geometry , photochemistry

We have detected an emission line at 149.18 ± 0.06 Ωm in the ISO Long Wavelength Spectrometer (LWS) grating spectrum of the planetary nebula NGC 7027. This Une coincides in wavelength with both the HeH+ J=1-0 fundamental pure rotational line at 149.14 urn and the CH 2Π3/2 (F2) J=3/2-2Πl/2 (F2) 7= 1/2 fundamental pure rotational lines at 149.09 and 149.39 μm. Another feature of similar strength at ...

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