A giant planet around a metal-poor star of extragalactic origin
Science (2010) - Comments
pubmed: 21097905  doi: 10.1126/science.1193342  issn: 1095-9203  issn: 0036-8075 

Johny Setiawan, Rainer J. Klement, Thomas Henning, Hans-Walter Rix, Boyke Rochau, Jens Rodmann, Tim Schulze-Hartung