Stars and dark matter in the spiral gravitational lens 2237 0305

Grants

Funding Acknowledgements

We wish to thank the anonymous referee for improving the manuscript with suggestions that clarify our methodology. CMT acknowledges the support provided by the David Hay Memorial Fund during preparation of this manuscript. LVEK is supported (in part) through an NWO-VIDI program subsidy (project number 639.042.505). TT acknowledges support from the NSF through CAREER award NSF-0642621, by the Sloan Foundation through a Sloan Research Fellowship, and by the Packard Foundation through a Packard Fellowship. Support for HST archival program number 9960 was provided by NASA through a grant from the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 5-26555. We thank Aaron Dutton, Randall Wayth and Phil Marshall for many insightful conversations.