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. Author manuscript; available in PMC: 2019 Oct 8.
Published in final edited form as: Nat Astron. 2019 Apr 8;3(6):553–560. doi: 10.1038/s41550-019-0746-7

Figure 5.

Figure 5

The observed stellar parameter relations of the cool subdwarf in SDSS J2355+0448 (black solid dots; the error bars represent ±1σ uncertainties) as compared to the theoretical relations44, 45 for an age of 10 Gyr and [Fe/H] values from -0.5 to -2.0 dex (solid lines).