publication . Article . Preprint . 2010


Burgasser, Adam J.; Gagliuffi, Daniella C. Bardalez; Gizis, John E.;
Open Access
  • Published: 03 Nov 2010 Journal: The Astronomical Journal, volume 141, page 70 (issn: 0004-6256, eissn: 1538-3881, Copyright policy)
  • Publisher: IOP Publishing
We present a detailed examination of the brown dwarf multiples 2MASS J08503593+1057156 and 2MASS J17281150+3948593, both suspected of harboring components that straddle the L dwarf/T dwarf transition. Resolved photometry from Hubble Space Telescope/NICMOS show opposite trends in the relative colors of the components, with the secondary of 2MASS J0850+1057 being redder than its primary, while that of 2MASS J1728+3948 is bluer. We determine near-infrared component types by matching combined-light, near-infrared spectral data to binary templates, with component spectra scaled to resolved NICMOS and Kp photometry. Combinations of L7 + L6 for 2MASS J0850+1057 and L5 ...
free text keywords: Space and Planetary Science, Astronomy and Astrophysics, Spectral line, Physics, Template, Binary star, Astronomy, Absolute magnitude, Astrophysics, Binary number, Brown dwarf, Hubble space telescope, Photometry (optics), Astrophysics - Solar and Stellar Astrophysics
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