Deep imaging refines distances (52 kpc Gru II, 72 kpc Hor II), half-light radii, ellipticities, and absolute magnitudes for two ultra-faint dwarfs, with Gru II showing asymmetric clumpy morphology and a confirmed distant member.
E., Drlica-Wagner, A., et al
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Deep Imaging of Grus II and Horologium II: Structure and Extent of Two Ultra-Faint Milky Way Satellites
Deep imaging refines distances (52 kpc Gru II, 72 kpc Hor II), half-light radii, ellipticities, and absolute magnitudes for two ultra-faint dwarfs, with Gru II showing asymmetric clumpy morphology and a confirmed distant member.