Table 6: Parameters of the best model fit of the location of the spot in 1998, 1999, 2000, and 2003, and its quality.
Year $\ensuremath{d_{\rm spot}}$ (AU) $\ensuremath{\theta_{\rm spot}}$ ( $\ensuremath{{\rm deg}}$ ) $\chi ^2$ (total) $\chi ^2$ (|V|²)

1998 $8.0 \pm 1.9$ $-48.0 \pm 3.3$ 0.63 0.54

1999 $9.6 \pm 1.5$ $-49.4 \pm 2.2$ 0.95 0.78

2000 $10.1 \pm 0.6$ $-50.3 \pm 1.6$ 1.04 0.91

2003 $11.1 \pm 0.3$ $-49.9 \pm 1.7$ 2.54 4.02

**Table 6:** Parameters of the best model fit of the location of the spot in 1998, 1999, 2000, and 2003, and its quality.
Year	$\ensuremath{d_{\rm spot}}$ (AU)	$\ensuremath{\theta_{\rm spot}}$ ( $\ensuremath{{\rm deg}}$ )	$\chi ^2$ (total)	$\chi ^2$ (\|V\|²)
1998	$8.0 \pm 1.9$	$-48.0 \pm 3.3$	0.63	0.54
1999	$9.6 \pm 1.5$	$-49.4 \pm 2.2$	0.95	0.78
2000	$10.1 \pm 0.6$	$-50.3 \pm 1.6$	1.04	0.91
2003	$11.1 \pm 0.3$	$-49.9 \pm 1.7$	2.54	4.02

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observations
	3 Data processing
	4 Results
	5 Interpretation of FU Ori observations
	6 Discussion
	7 Conclusion
	References