نتایج جستجو برای: absorption spectra
تعداد نتایج: 224708 فیلتر نتایج به سال:
Journal:
:Journal of Quantitative Spectroscopy and Radiative Transfer
2017
Journal:
:Canadian Journal of Chemistry
1958
Journal:
:Journal of the Spectroscopical Society of Japan
1966
Journal:
:Journal of Research of the National Bureau of Standards
1952
2001
Brenda L. Frye
This paper presents data from the BIMA interferometer showing spatially resolved absorption spectra of the gravitationally lensed quasar PKS 1830-211. High-resolution (1.2 km s) spectra were taken in two spectral windows centered on the redshifted frequencies of the HCO(2 ← 1) and HCN(2 ← 1) molecular transitions. There is no molecular absorption in the northeast image but the southwest image r...
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