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News Release Archive:

News Release 370 of 947

March 15, 2006 01:00 PM (EST)

News Release Number: STScI-2006-11

Astronomers Measure Precise Mass of a Binary Brown Dwarf

Technical facts about this news release:

About the Object
Object Name: 2MASS J053521840546085
Object Description: Eclipsing Binary in the Orion Nebula
Position (J2000): R.A. 05 h 35 m 21 s.84
Dec. -05° 46 ' 08 ".5
Constellation: Orion
Distance: Roughly 1,400 light-years (420 parsecs)
About the Data
Data Description: The science team is composed of K.G. Stassun (Vanderbilt University), R.D. Mathieu (University of Wisconsin-Madison), and J.A. Valenti (STScI).
Instrument: KPNO 0.9m telescope; CTIO 0.9m, 1.0m, 1.3m telescopes; 8m Gemini South telescope
Exposure Date(s): December 1994 - March 2005; December 2002 - January 2003