Selenium (Se)

Atomic Number: 34

ELECTRON CONFIGURATIONS: Txt

Reference: Bezmalinovich, M. et al. 2025

Energy Levels & Transitions

Ionization State Energy Levels Transitions
Se I Txt Txt
Se II Txt Txt
Se III Txt Txt
Se IV Txt Txt
Se V Txt Txt
Se VI Txt Txt
Se VII Txt Txt
Se VIII Txt Txt
Se IX Txt Txt
Se X Txt Txt
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Selenium Energy Levels
Selenium Energy Levels (Se I to Se X) compared to NIST (click to enlarge)

Expansion Opacities at Selected Conditions

Epoch [d]; Temperature [K]; Density [g cm-3] Expansion Opacity [cm2 g-1]
1.0; 5000; 10-13 Txt
1.0; 10000; 10-13 Txt
0.5; 20000; 3*10-12 Txt
Selenium KN Spectra
Selenium KN Spectra at various epochs (POSSIS; Bulla+2019) (click to enlarge)

Kilonova Fluxes at Different Epochs (100% Se)

Epoch [days] Flux [erg s-1 cm-2 Å-1]
0.5 Txt
1.0 Txt
1.43 Txt