Table 2.
Best-fit parameters of Eq. (2).
| Relation | α | β | ϵ | log (Rd, 0/ld) |
|---|---|---|---|---|
| RM (free) |
 |
 |
 |
1.9 |
| OI (free) |
 |
 |
 |
2.2 |
| RM (fixed) |
 |
1 |
 |
1.9 |
| OI (fixed) |
 |
1 |
 |
2.2 |
Notes. We fit the RBLR– Rd relation for AGNs with Rd measured by RM and OI, respectively. α, β, and ϵ are the intercept, slope, and intrinsic scatter of a linear relation. Rd, 0 is the pivot point fixed in the fitting. The first two rows provides the best-fit parameters with β free, while the last two rows are results with β fixed to unity. OI-measured Rd is about 0.3 dex larger than that measured by the RM.
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