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astro-ph2006★ 8 cited
Identification of the Microlens in Event MACHO-LMC-20
Nitya Kallivayalil, Brian M. Patten, Massimo Marengo +3
We report on the identification of the lens responsible for microlensing event MACHO-LMC-20. As part of a \textit{Spitzer}/IRAC program conducting mid-infrared follow-up of the MAC…
astro-ph2006★ 275 cited
Is the SMC Bound to the LMC? The HST Proper Motion of the SMC
Nitya Kallivayalil, Roeland P. van der Marel, Charles Alcock
We present a measurement of the systemic proper motion of the Small Magellanic Cloud (SMC) made using the Advanced Camera for Surveys (ACS) on the \textit{Hubble Space Telescope} (…