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The Seventh Data Release of the Sloan Digital Sky Survey
K. Abazajian
This paper describes the Seventh Data Release of the Sloan Digital Sky Survey (SDSS), marking the completion of the original goals of the SDSS and the end of the phase known as SDS…
Additional Ultracool White Dwarfs Found in the Sloan Digital Sky Survey
H. C. Harris, E. Gates, G. Gyuk +12
We identify seven new ultracool white dwarfs discovered in the Sloan Digital Sky Survey (SDSS). The SDSS photometry, spectra, and proper motions are presented, and additional BVRI…
A Nearby Old Halo White Dwarf Candidate from the Sloan Digital Sky Survey
Patrick B. Hall, Piotr M. Kowalski, Hugh C. Harris +5
We report the discovery of a nearby, old, halo white dwarf candidate from the Sloan Digital Sky Survey. SDSS J110217.48+411315.4 has a proper motion of 1.75 arcsec/year and redder…
Discovery of New Ultracool White Dwarfs in the Sloan Digital Sky Survey
Evalyn Gates, Geza Gyuk, Hugh C. Harris +14
We report the discovery of five very cool white dwarfs in the Sloan Digital Sky Survey (SDSS). Four are ultracool, exhibiting strong collision induced absorption (CIA) from molecul…
A new component of the Galaxy as the origin of the LMC microlensing events
Evalyn Gates, Geza Gyuk
We suggest a new component of the Milky Way that can account for both the optical depth and event durations implied by microlensing searches targeting the Large Magellanic Cloud. T…
A New (Old) Component of the Galaxy as the Origin of the Observed LMC Microlensing Events
Evalyn I. Gates, Geza Gyuk
We suggest a new component of the Milky Way galaxy that can account for both the optical depth and the event durations obtained by the MACHO microlensing survey toward the Large Ma…