@article{8d9eb5115cc7464f8dee6212bdc2d33f,
title = "A candidate gravitational lens in the Hubble Deep Field",
abstract = "The discovery of HDF J123652+621227, a candidate gravitational lens in the Hubble Deep Field, is reported. This lens may be multiply imaging several optical sources at different redshifts. If follow-up spectroscopy of the lens and the brightest image confirms this hypothesis, observations of this system alone can be used to obtain an estimate of the redshift distribution at extremely faint flux levels.",
keywords = "Gravitational lensing",
author = "Hogg, {David W.} and Roger Blandford and Tomislav Kundi{\'c} and Fassnacht, {C. D.} and Sangeeta Malhotra",
note = "Funding Information: We thank the Hubble Deep Field team, led by Bob Williams, for planning, taking, reducing, and making public the phenomenal images of the HDF. We benefited from helpful conversations with Lee Armus, Andrew Baker, Judy Cohen, Mark Dickinson, Mauro Giavalisco, Richard Hook, Jordi Miralda-Escud{\'e}, Gerry Neugebauer, and Chuck Steidel. Lee Armus, Len Cowie, Keith Matthews, and Tom Soifer generously provided us with near-infrared data in advance of publication. We are grateful for financial support from the US National Science Foundation and National Aeronautics and Space Administration (NASA). This research made use of the NASA Astrophysics Data System Abstract Service.",
year = "1996",
month = aug,
day = "20",
doi = "10.1086/310213",
language = "English (US)",
volume = "467",
pages = "L73--L75",
journal = "Astrophysical Journal",
issn = "0004-637X",
publisher = "IOP Publishing Ltd.",
number = "2 PART II",
}