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An ultraviolet search for interstellar CS

Joshua D. Destree ; Theodore P. Snow ; John H. Black (Institutionen för radio- och rymdvetenskap, Radioastronomi och astrofysik)
Astrophys. J (0004-637X). Vol. 693 (2009), 2009 March 1, p. 804-811.
[Artikel, refereegranskad vetenskaplig]

High- and medium-resolution ultraviolet spectra from the Space Telescope Imaging Spectrograph (STIS) and the Goddard High Resolution Spectrograph (GHRS) were used to study the diatomic molecule CS through the C-X(0,0) band at 1401 Å. The band was modeled to verify profile shape. The rest wavelength of the C-X band is refined to a value of 1400.88 Å and a 3σ lower limit is set on the oscillator strength at 0.14 based on equivalent width upper limits of the A-X(0,0) CS Band at 2577 Å. The strength of the 1401 Å band is compared to other interstellar parameters and implications for CS formation and destruction are briefly discussed.

Nyckelord: interstellar matter, molecular spectroscopy, ultraviolet


Research based in part on data from Hubble Space Telescope.



Denna post skapades 2009-03-09. Senast ändrad 2014-09-02.
CPL Pubid: 91283

 

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Institutioner (Chalmers)

Institutionen för radio- och rymdvetenskap, Radioastronomi och astrofysik (2005-2010)

Ämnesområden

Molekylfysik
Astronomi, astrofysik och kosmologi

Chalmers infrastruktur