A conclusive non-detection of magnetic field in the Am star o Peg with high-precision near-infrared spectroscopy

Open Access

Table 4.

Results of MCMC analysis of the S I NIR triplet.

Parameter	Value
log N_S/N_tot	−4.373 ± 0.004
ξ_t (km s⁻¹)	$2 . 02_{- 0.11}^{+ 0.10}$ $2.02^{+0.10}_{-0.11}$
ζ_t (km s⁻¹)	$3 . 65_{- 0.49}^{+ 0.44}$ $3.65^{+0.44}_{-0.49}$
v_e sin i (km s⁻¹)	$5 . 89_{- 0.22}^{+ 0.20}$ $5.89^{+0.20}_{-0.22}$
v_r (km s⁻¹)	−2.50 ± 0.02
B_1σ (G)	≤260
B_2σ (G)	≤435
B_3σ (G)	≤560

Notes. The three bottom rows give upper limits of the magnetic field strength corresponding to 1σ, 2σ, and 3σ confidence intervals.

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