Mg-24H(+) in the solar photospheric spectrum

Details Mg-24H(+) in the solar photospheric spectrum Mg-24H(+) in the solar photospheric spectrum

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984ap%26ss.102..287s&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 102, no. 2, July 1984, p. 287-293. Sponsorship: Conselho Nacional de Pesqu

Astronomy and Astrophysics

Astrophysics

2

Magnesium Compounds, Metal Hydrides, Photosphere, Solar Spectra, Stellar Composition, Vibrational Spectra, Dipole Moments, Ion Density (Concentration), Line Spectra, Molecular Rotation, Oscillator Strengths

Scientific paper

The 24MgH+ (A1Σ+ - X1Σ+) molecular lines have been identified in the photospheric spectrum. The rotational excitation temperature determined from the analysis of molecular line intensities of 24MgH+ is found to be of the order of 4850K which corresponds to the photospheric temperature of the Sun. The CNDO/2 dipole moments of 24MgH+ for internuclear distance range: (1.3 - 2.1) Å in the X1Σ+ state can be approximated by M(R) = 4.92+1.33R. Estimations for the spontaneous emission Einstein coefficients and the absorption oscillator strengths for the (1, 0), (2, 0) and (2, 1) transitions in the X1Σ+ state of the 24MgH+ ion are also made.

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