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HSC Wide and Deep Imaging Survey for the Milky Way Satellite Galaxies

Published online by Cambridge University Press:  02 August 2018

Yutaka Komiyama
Yutaka Komiyama*
Affiliation:
National Astronomical Observatory of Japan, 2-21-1, Osawa, Mitaka, Tokyo 181-8588, Japan email: komiyama@subaru.naoj.org
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Abstract

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We have carried out an imaging survey for Local Group dwarf spheroidal galaxy Ursa Minor (UMi) using Hyper Suprime-Cam (HSC) on the 8.2m Subaru Telescope. Wide and deep data obtained by HSC enable us to investigate the extent of UMi which is revealed to extend out to twice the nominal tidal radius. The fraction of binary systems is also investigated from the morphology of the main sequence and estimated to be ~0.4.

Keywords

Local Groupdwarf galaxystar formationstructure
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S334: Rediscovering our Galaxy , July 2017 , pp. 319 - 320
Copyright
Copyright © International Astronomical Union 2018 

References

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