Resolving the Stellar Outskirts of M81: Evidence for a Faint, Extended Structural Component *

@inproceedings{BarkerResolvingTS,
  title={Resolving the Stellar Outskirts of M81: Evidence for a Faint, Extended Structural Component *},
  author={Michael K. Barker and Annette M. N. Ferguson and Michael Irwin and Nobuo Arimoto and Pascale Jablonka}
}
We present a wide field census of resolved stellar populations in the northern half of M81, conducted with Suprime-Cam on the 8-m Subaru telescope and covering an area ∼ 0.3 square degrees. The resulting color-magnitude diagram reaches over one magnitude below the red giant branch (RGB) tip, allowing a detailed comparison between the young and old stellar spatial distributions. The surface density of stars with ages 100 Myr is correlated with that of neutral hydrogen in a manner similar to the… CONTINUE READING

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