A peculiar faint satellite in the remote outer halo of M31

Loading...
Thumbnail Image

Date

Authors

Mackey, Alasdair
Huxor, A
Martin, N F
Ferguson, A. M. N.
Dotter, Aaron
McConnachie, Alan W
Ibata, Rodrigo A
Irwin, M. J.
Lewis, Geraint Francis
Sakari, C M

Journal Title

Journal ISSN

Volume Title

Publisher

Institute of Physics Publishing Ltd.

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

Description

Citation

Source

Astrophysical Journal Letters

Book Title

Entity type

Access Statement

Open Access

License Rights

Restricted until