On the Relation between OH and CH Radicals, Molecular/Neutral Hydrogen and Major 5780/5797 Diffuse Interstellar Bands

• Autorzy: Weselak T.

Identyfikatory

DOI

10.32023/0001-5237/72.3.5

• Języki publikacji: EN

Abstrakty

EN

A precise relation between column densities of OH and CH molecule in the ISM has been found based on spectra of 24 stars (four of them new) and new published oscillator strengths of lines near 3078 Å and 30828 Å of OH molecule (0.001007 and 0.0006226, respectively). Observed column density ratio of OH and CH molecules in the ISM is equal to 3.20±0.17. A very good relation (with correlation coefficient equal to 0.85) between abundances of OH molecule and molecular hydrogen is also presented.

Słowa kluczowe

EN

ISM: clouds; ISM: molecules

• Wydawca: Copernicus Foundation for Polish Astronomy
• Czasopismo: Acta Astronomica
• Rocznik: 2022
• Tom: Vol. 72, No. 3
• Strony: 233--243
• Opis fizyczny: Bibliogr. 59 poz., tab., wykr.

Twórcy

autor

Weselak T.

• Institute of Physics, Kazimierz Wielki University, Powst. Wielkopolskich 2, 85-072 Bydgoszcz, Poland

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