EBLM J0113+31 A

J0113+31_FIES.fits

Average FIES optical spectrum (R≈46,000). Flux from the M-dwarf companion is negligible (<0.1 %).

J0113+31_SPIRou.fits

Average SPIRou spectrum (R≈75,000) after subtraction of a model M-dwarf spectrum to correct for the flux contribution from the M-dwarf companion (≈0.5 %)

• T_eff = 6124 ± 40 K
• log g (cgs) = 4.148 ± 0.006
• Mass = 1.029 ± 0.025 M_⊙
• Radius = 1.417 ± 0.014 R_⊙
• [Fe/H] ≈ −0.3 ± 0.1

Photometry

See Maxted et al. (2022) Table 7

References

• Maxted et al., 2022

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Dr Pierre Maxted (p.maxted@keele.ac.uk)
Astrophysics Group
Keele University, Staffordshire, ST5 5BG
Tel: +44-(0)1782-733457

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