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See detailSolar research in Belgium during 1942.
Swings, Polydore ULg

in Astrophysical Journal (1944), 99

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See detailDoubly ionized rare earths in a2 Canum Venaticorum
Swings, Polydore ULg

in Contributions from the Mount Wilson Observatory (1944), 695

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See detailAstrophysical research in France in 1940-1942.
Swings, Polydore ULg

in Astrophysical Journal (1944), 99

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See detailDoubly ionized rare earths in α2 Canum Venaticorum
Swings, Polydore ULg

in Astrophysical Journal (1944), 100

The strongest lines of Eu III, Gd III, Ce III, Sa III, and La III in the region λλ 3070-3300 are identified in the spectrum of α2 CVn. Their intensities and radial velocities undergo changes parallel to ... [more ▼]

The strongest lines of Eu III, Gd III, Ce III, Sa III, and La III in the region λλ 3070-3300 are identified in the spectrum of α2 CVn. Their intensities and radial velocities undergo changes parallel to those of the lines of the corresponding singly ionized elements. Several unidentified lines in the blue-violet region are probably due to Dy III. [less ▲]

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See detailPossibilities of astronomical spectroscopy in the infrared
Swings, Polydore ULg

in Publications of the Astronomical Society of the Pacific [=PASP] (1944), 56

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See detailSuggestions for infrared observations of the solar corona
Swings, Polydore ULg

in Publications of the Astronomical Society of the Pacific [=PASP] (1944), 56

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See detailThe infrared spectrum of P Cygni
Swings, Polydore ULg

in Publications of the Astronomical Society of the Pacific [=PASP] (1944), 56

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See detailForbidden lines of CrII, Ni II, and Fe II
Swings, Polydore ULg

in Publications of the Astronomical Society of the Pacific [=PASP] (1944), 56

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