A detailed study of Andromeda XIX, an extreme local analogue of ultra diffuse galaxies

Michelle L. M. Collins, Erik J. Tollerud, R. Michael Rich +5

With a central surface brightness of ${\mu }_0=29.3$ mag. per sq. arcsec, and half-light radius of $r_{\mathrm{half}}=3.1_{-1.1}^{+0.9}$~kpc, Andromeda XIX (And XIX) is an extremely diffuse…