Primeval very low-mass stars and brown dwarfs -- II. The most metal-poor substellar object
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DOI: 10.1093/mnras/stx350
Abstract: SDSS J010448.46+153501.8 has previously been classified as an sdM9.5 subdwarf. However, its very blue $J-K$ colour ($-0.15 \pm 0.17$) suggests a much lower metallicity compared to normal sdM9.5 subdwarfs. Here, we re-classify this object as… read more here.
Keywords: sdss j010448; substellar object; metal poor; mass ... See more keywords