**Table 2:** Spot configuration for VY Ari. The stellar parameters used in the solution are: unspotted effective temperature, $T_{\rm max}$ = 4916 K; limb-darkening coefficients at V and at 6200 Å, $\mu _{\rm V}$ = 0.77, $\mu _{6200}$ = 0.63; inclination, i = 65 $^{\circ }$ .
Model	Radius	Lon.^a	Lat.	$\frac{T_{\rm sp}}{T_{\rm ph}}$	$A_{\rm rel}$ ^b
Planck	28 $\hbox{$.\!\!^\circ$ }$ 0	355 $\hbox{$^\circ$ }$	35 $\hbox{$^\circ$ }$	0.786 $\pm$ 0.016	0.135 $\pm$ 0.012
" "	31 $\hbox{$.\!\!^\circ$ }$ 8	90 $\hbox{$^\circ$ }$	35 $\hbox{$^\circ$ }$	0.786 $\pm$ 0.016
Kurucz	29 $\hbox{$.\!\!^\circ$ }$ 5	355 $\hbox{$^\circ$ }$	35 $\hbox{$^\circ$ }$	0.830 $\pm$ 0.024	0.144 $\pm$ 0.013
" "	32 $\hbox{$.\!\!^\circ$ }$ 5	90 $\hbox{$^\circ$ }$	35 $\hbox{$^\circ$ }$	0.830 $\pm$ 0.024
NextG	28 $\hbox{$.\!\!^\circ$ }$ 7	355 $\hbox{$^\circ$ }$	35 $\hbox{$^\circ$ }$	0.840 $\pm$ 0.018	0.147 $\pm$ 0.015
" "	34 $\hbox{$.\!\!^\circ$ }$ 1	90 $\hbox{$^\circ$ }$	35 $\hbox{$^\circ$ }$	0.840 $\pm$ 0.018

^a Longitude increases with phase, and 0 $\hbox{$^\circ$ }$ longitude corresponds to phase 0 $\hbox{$.\!\!^{\scriptscriptstyle\rm p}$ }$ 0.
^b Total fractional area of the two spots in units of the star surface.

Source LaTeX | All tables | In the text

	1 Introduction
	2 Targets selection and observations
	3 Data analysis
	4 The spot model
	5 Results
	6 Discussion
	7 Conclusion
	References
	Online Material
	Appendix A: The hemisphere-averaged temperature and luminosity