![Gemini South/PHOENIX Epsilon Indi image](https://noirlab.edu/public/media/archives/images/thumb700x/geminiann04016b.jpg)
International Gemini Observatory/NOIRLab/NSF/AURA/PHOENIX Image
Gemini South/PHOENIX Epsilon Indi image
Gemini South/PHOENIX image obtained using a narrow-band filter within the K-band and revealing the deep methane absorption and cool temperature of the companion by its invisibility at these wavelengths. This image is 4x4 arc-seconds across and was obtained without adaptive optics.