2 papers
astro-ph.SR2025
-band photometry of the Extreme T Subdwarf CWISE J221706.28145437.6
Jerry Jun-Yan Zhang, Nicolas Lodieu, Eduardo L. MartÃn
We present deep -band imaging of the extreme T subdwarf CWISE J221706.28145437.6. Using the new photometry, we construct its spectral energy distribution and find this obje…
astro-ph.SR2025
Detection of Methane in the Closest Extreme Metal-poor T Dwarf WISEA J181006.18-101000.5
Jerry Jun-Yan Zhang, Nicolas Lodieu, Eduardo L. MartÃn +7
WISEA J181006.18-101000.5 (WISE1810) is the nearest metal-poor ultracool dwarf to the Sun. It has a low effective temperature and has been classified as extreme early-T subdwarf. H…