The Spectrum of the Brown Dwarf Gliese 229 B

@inproceedings{Oppenheimer1998TheSO,
  title={The Spectrum of the Brown Dwarf Gliese 229 B},
  author={Ben R. Oppenheimer and S. R. Kulkarni and Keith Matthews and Marten H. van Kerkwijk},
  year={1998}
}
We present a spectrum of the cool (T eff = 900 K) brown dwarf Gliese 229B. This spectrum, with a relatively high signal-to-noise ratio per spectral resolution element (∼ > 30), spans the wavelength range from 0.837 µm to 5.0 µm. We identify a total of four different major methane absorption features, including the fundamental band at 3.3 µm, at least four steam bands, and two neutral cesium features. We confirm the recent detection of carbon monoxide (CO) in excess of what is predicted by… CONTINUE READING
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