A summary is presented of the physical considerations governing line formation in molecular clouds with kinetic temperatures in the range from 5 to 100 K and...
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PublicationA review of line formation in molecular clouds
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NewsAn amino acid essential for life is found in interstellar space
The IAC researcher Susana Iglesias-Groth has discovered the existence of tryptophan, an amino acid essential for the formation of proteins and the develoment of...
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PublicationAnalyse multi-echelle des champs magnetiques dans des nuages moleculaires a structures filamentaires
Together with other observational methods, visible and near infra-red polarimetry can help to understand the morphology of magnetic fields in the neighborhood...
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PublicationCO /J = 2-1/ observations of southern H II regions
Maps in the CO (J = 2-1) line of the southern H II region complexes Carina Nebula and G333.6-0.2/RCW 106 are presented and discussed. Results for the Carina...
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PublicationCO mapping of bipolar outflows
The paper presents CO and (C-13)O J = 2-1 spectra and mapping of bipolar outflows, acquired with the 12-m NRAO antenna at Kitt Peak, for the following sources...
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PublicationCorrelation of broad and narrow diffuse band features Evidence for molecular carriers
Spectra of early-type stars in several heavily reddened OB associations are used to study broad diffuse bands in the range from 5700 to 6300 angstroms. The...
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PublicationCosmic Amorphous Dust Model as the Origin of Anomalous Microwave Emission
We have shown that the thermal emission of the amorphous dust composed of amorphous silicate dust (a-Si) and amorphous carbon dust (a-C) provides an excellent...
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PublicationCS J = 5 - 4 observations of galactic molecular clouds
Observations from a sample of six regions of star formation in the 244 GHz, J = 5-4 rotational transition of CS, together with previous results for lower...
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PublicationDetection of the 2/1,1/ - 2/1,2/ rotational emission line of HDO in the Orion Molecular Cloud
The 2(1,1) - 2(1,2) rotational transition of HDO has been detected towards the KL position at the center of the OMC-1 at a velocity of +5.5(+ or - 1.3)km/s...