P. Pietrukowicz (1,2), D. Minniti (1,3), J.M. Fernandez (1,4), G. Pietrzynski (5,6), M.T. Ruiz (7), W. Gieren (5), R.F. Diaz (8), M. Zoccali (1), M. Hempel (1) ((1) Univ. Catolica de Chile, (2) Copernicus Astronomical Center, Poland, (3) Vatican Observatory, (4) CfA, (5) Univ. de Concepcion, Chile, (6) Warsaw Univ. Obs., Poland, (7) Univ. de Chile, (8) Instituto de Astronomia y Fisica del Espacio, Argentina)
arXiv.org - Astrophysics - Volume: 2009, Issue: 29 May
