Detection of a Companion Lens Galaxy Using the Mid-Infrared Flux Ratios of the Gravitationally Lensed Quasar H1413+117

Year2009
JournalThe Astrophysical Journal
AuthorMacLeod, C. L., Kochanek, C. S., and Agol, E.
Bibcode2009ApJ...699.1578M
TelescopeGN
InstrumentMICHELLE
PartnerUS
CountryUSA
Program IDGN-2005B-Q-43
Gemini Observatory Participants