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Table 2

Spectral lines measured and analyzed within this work.

Multiplet Wavelength [nm] Notes/presence in meteorites
Mg I-3 382.93; 383.23; 383.83 Strong in aubrite, diogenite, ureilite. Faint in eucrite, howardite, shergottite, lunar.
CN (UV band) 380–389; peak at 388.33 Strong in carbonaceous chondrites, volatile-rich bodies, ureilite.
Si I-3 390.55 Strong in HEDs, aubrite, lunar, shergottite. Faint in carbonaceous chondrites, ureilite.
Mn I-2 403.08; 403.32; 403.46 Strong in enstatite chondrite, shergottite. Faint in carbonaceous chondrites, ureilite.
Cr I-1 425.45 Strongest Cr I line, an alternative to Cr I-7 for low-resolution data.
Mn I-16 478.34; 482.35 Fainter lines alternative to Mn I-2 for low-resolution data.
H I-1 486.13 Strong in carbonaceous and volatile-rich bodies.
Mg I-2 516.75; 517.21; 518.30 Strong in aubrite, diogenite, ureilite. Faint in eucrite, howardite, shergottite, lunar.
Cr I-7 520.45; 520.60; 520.84 Strong in HEDs, LL chondrites, mesosiderite.
526.97; 532.89; 537.10;
Fe I-15 539.71; 540.53; 542.97; Strong in chondrites, mesosiderites, iron. Faint in diogenite, lunar, aubrite.
543.45; 544.69; 545.56
Ni I-59 547.60 Not detected in achondrites.
Na I-6 568.29; 568.85 Strong in some LL and carbonaceous chondrites, faint in diogenite, ureilite, mesosiderite, iron.
Na I-1 588.97; 589.56 Saturated in most laboratory meteorite data.
H I-1 656.28 Strong in carbonaceous and volatile-rich bodies.
Li I-1 670.81 Faint or missing in chondrites. Strong in eucrite, ureilite.
K I-1 766.53; 769.94 Strong in some LL and carbonaceous chondrites, faint in HEDs, ureilite, mesosiderite, iron.

Notes. Atomic multiplet numbers, approximate wavelength positions, and notes related to the presence of these spectral features in various meteorite groups are given.

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