Published in

American Astronomical Society, Astrophysical Journal Letters, 2(770), p. L17, 2013

DOI: 10.1088/2041-8205/770/2/l17

Links

Tools

Export citation

Search in Google Scholar

A peculiar faint satellite in the remote outer halo of M31

Journal article published in 2013 by A. Dougal Mackey, Avon P. Huxor, Nicolas F. Martin, Annette M. N. Ferguson, Aaron Dotter, Alan W. McConnachie, Rodrigo A. Ibata, Mike J. Irwin, Geraint F. Lewis ORCID, Charli M. Sakari, Nial R. Tanvir, Kim A. Venn
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

Full text: Download

Red circle
Preprint: archiving forbidden
Red circle
Postprint: archiving forbidden
Green circle
Published version: archiving allowed
Upload
Policy details
Data provided by SHERPA/RoMEO

Abstract

We present Hubble Space Telescope imaging of a newly-discovered faint stellar system, PAndAS-48, in the outskirts of the M31 halo. Our photometry reveals this object to be comprised of an ancient and very metal-poor stellar population with age > 10 Gyr and [Fe/H]