constrained. We adopt $\mu_{0,\rm LMC}=18.493\pm0.048$ [@pie13]. The reddenings toward YY Dor is assumed to be $E(B-V)=0.12$, which is the typical reddening toward the LMC [@imara07]. The distance modulus in the $V$ band is $(m-M)_V= \mu_0 + A_V= 18.49 + 3.1\times 0.12 = 18.86$ toward the LMC novae.

Applying the obtained $f_{\rm s}$ and $\Delta V$ to Equation (\[distance\_modulus\_general\_temp\]), we have the relation of $$\begin{aligned}
(m&-&M)_{V, \rm LV~Vul} \cr 
&=& \left( (m-M)_V + \Delta V\right)_{\rm YY~Dor} - 2.5 \log 3.16 \cr 
&=& 18.86 - 5.75\pm0.2 - 1.25 = 11.86\pm0.2 \cr
&=& \left( (m-M)_V + \Delta V\right)_{\rm LMCN~2009a} - 2.5 \log 2.0 \cr 
&=& 18.86 - 6.25\pm0.2 - 0.75 = 11.86\pm0.2.
\label{distance_modulus_lv_vul_yy_dor_lmcn_2009a_v}\end{aligned}$$ Thus, we obtain $(m-M)_V=11.86\pm0.1$ for LV Vul, being consistent with our previous results of $(m-M)_V=11.85\pm0.1$ [@hac18kb].

In the same way, we obtain $\Delta B$ from Figure \[lv\_vul\_yy\_dor\_lmcn\_2009a\_v\_b\_logscale\_2fig\](b). Using this $\Delta B$ and $f_{\rm s}$, we obtain $$\begin{aligned}
(m&-&M)_{B, \rm LV~Vul} \cr 
&=& \left( (m-M)_B + \Delta B\right)_{\rm YY~Dor} - 2.5 \log 3.16 \cr 
&=& 18.98 - 5.3\pm0.2 - 1.25 = 12.43\pm0.2 \cr
&=& \left( (m-M)_B + \Delta B\right)_{\rm LMCN~2009a} - 2.5 \log 2.0 \cr 
&=& 18.98 - 5.8\pm0.2 - 0.75 = 12.43\pm0.2,
\label{distance_modulus_lv_vul_yy_dor_lmcn_2009a_b}\end{aligned}$$ from Equation (\[distance\_modulus\_general\_temp\_b\]). Here, we adopt $(m-M)_B 