... Copyright: SDSS Collaboration Explanation: While hunting through Sloan Sky Survey data in search of distant quasars , Princeton astronomers Xiaohui Fan and Michael Strauss came upon an undiscovered type of object very nearby - now dubbed a methanedwarf ...
... June 3, 1999 . MethaneDwarf . Credit: SDSS Collaboration . ... astronomers Xiaohui Fan and Michael Strauss came upon an undiscovered type of object very nearby - now dubbed a methanedwarf ...
... A star system with a cool methane-rich T-dwarf star and a dying white dwarf stellar ... Methanedwarfs are on the star/planet boundary and are about the size of the giant ...
... Spectrum of Methane Brown Dwarf . About the Image . About the Object . Image Formats . ... at the NTT and ISAAC at VLT ANTU, and compared to the spectrum of the much closer and brighter Methane Brown Dwarf Gliese 229B ...
... almost 100 L dwarfs through follow-up observations of 2MASS sources - but no "T dwarfs", objects similar to Gl 229B. This wasn't entirely unexpected, since the methane-rich brown dwarfs are so much cooler, and therefore much fainter - just frustrating ...
... The Discovery of a Field MethaneDwarf from Sloan Digital Sky Survey Commissioning ... The Missing Link: Early Methane ("T") Dwarfs in the Sloan Digital Sky Survey", 2000 ...
... companion at 5.0'' from the star BD-04782 (corresponding to a minimum orbital radius of 100 AU); however, this potential companion does not seem to have an atmosphere that would identify it as a methane brown dwarf (T eff --- Advisors M. Gurwell and P. Ho ...
... passbands covering the range from 0.3-1.0 m. The imaging survey, which achieved first light in May 1998, has already produced exciting discoveries, including the first z =5 QSO ( Fan et al. 1999 ) and the coolest methane brown dwarf ( Strauss et al ...