A new Fourier transform millimeter wave spectrometer

1992 ◽  
Vol 63 (9) ◽  
pp. 4108-4111 ◽  
Author(s):  
R. Schwarz ◽  
A. Guarnieri ◽  
J.‐U. Grabow ◽  
J. Doose
Keyword(s):  
Fourier Transform ◽  
Millimeter Wave ◽  
Wave Spectrometer

scholarly journals The Rotational Spectrum of Propane Centrifugal Distortion Analysis

1985 ◽  
Vol 40 (5) ◽  
pp. 508-510 ◽  
Author(s):  
G. Bestmann ◽  
H. Dreizler ◽  
J. M. Vacherand ◽  
D. Boucher ◽  
B. P. van Eijck ◽  
...  
Keyword(s):  
Fourier Transform ◽  
Millimeter Wave ◽  
Ground State ◽  
Fourier Transform Spectrometer ◽  
Rotational Spectrum ◽  
Centrifugal Distortion ◽  
Astrophysical Interest ◽  
Distortion Analysis ◽  
Wave Spectrometer

The ground state rotational spectrum of propane has been investigated between 6.4 and 26.5 GHz with a microwave Fourier transform spectrometer and between 140 and 300 GHz with a millimeter-wave spectrometer. High J transitions have been measured and fitted to a centrifugally distorted Hamiltonian including some sextic coefficients. The results of the analysis are sufficiently accurate for the prediction of all strong transitions of astrophysical interest.

scholarly journals New Experimental Possibilities and Future Prospects for 1-5μm Infrared Spectroscopy of Interstellar Molecules

1980 ◽  
Vol 87 ◽  
pp. 631-632
Author(s):  
Donald N. B. Hall
Keyword(s):  
Fourier Transform ◽  
Infrared Spectroscopy ◽  
Millimeter Wave ◽  
Molecular Clouds ◽  
Future Prospects ◽  
Interstellar Molecules ◽  
The Past ◽  
Evolved Stars ◽  
Large Numbers ◽  
Fabry Perot

During the past week we have heard a considerable number of papers dealing with spectroscopic observations in the 1-5μm region of the infrared. I predict that as instruments and detectors continue to improve, such observations will play a major role in the study of interstellar molecules in both molecular clouds and circumstellar clouds around evolved stars. Fourier Transform spectrometers and Fabry Perot interferometers have already yielded spectra of such sources with spectral resolution and radial velocity precision fully comparable to millimeter wave observations. The critical need is to improve the limiting magnitude of such observations by 3-5 stellar magnitudes so that one can study large numbers of sources rather than the few brightest in each class.

Sign in / Sign up

Export Citation Format

Share Document