The low-mass IMF in Boötes I is consistent with the Milky Way within 68% confidence for broken power-law and lognormal forms, indicating universality at low metallicity.
Models for metal-poor stars with different initial abundances of C, N, O, Mg, and Si − III. Grids of isochrones for −2.5 ≤ [Fe/H] ≤ −0.5 and helium abundances <i>Y</i> = 0.25 and 0.29 at each metallicity
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Probing the IMF in the Early Universe -- Direct measurements in the Bo\"otes I UFD with JWST/NIRCam
The low-mass IMF in Boötes I is consistent with the Milky Way within 68% confidence for broken power-law and lognormal forms, indicating universality at low metallicity.