Table 3: Johnson apparent magnitudes of the XZ Tauri binary. Errors in magnitude of $\pm 0.05$ were estimated based on the affect of changing aperture size, given that the stellar PSFs are overlapping. The 1995 Jan. 5 R band data is from K97 using Tiny Tim PSF fitting to the saturated R band images. The 1997 Mar. 8 data is from GO Programme 6725.
Filter Observation Flux ratio XZ South XZ North

date South/North magnitude magnitude

R-band 1995 Jan. 5 5.11 13.16 14.93

1997 Mar. 8 5.39 13.47 15.38

1998 Mar. 25 9.02 13.22 15.68

1999 Feb. 3 3.66 13.45 14.93

2000 Feb. 6 2.43 13.32 14.36

2001 Feb. 10 0.63 13.25 12.82

I-band 1995 Jan. 5 4.80 12.03 13.78

1997 Mar. 8 6.30 11.97 14.02

1999 Feb. 3 3.38 12.04 13.42

2000 Feb. 6 1.98 12.02 12.82

**Table 3:** Johnson apparent magnitudes of the XZ Tauri binary. Errors in magnitude of $\pm 0.05$ were estimated based on the affect of changing aperture size, given that the stellar PSFs are overlapping. The 1995 Jan. 5 R band data is from K97 using Tiny Tim PSF fitting to the saturated R band images. The 1997 Mar. 8 data is from GO Programme 6725.
Filter	Observation	Flux ratio	XZ South	XZ North
	date	South/North	magnitude	magnitude
R-band	1995 Jan. 5	5.11	13.16	14.93
	1997 Mar. 8	5.39	13.47	15.38
	1998 Mar. 25	9.02	13.22	15.68
	1999 Feb. 3	3.66	13.45	14.93
	2000 Feb. 6	2.43	13.32	14.36
	2001 Feb. 10	0.63	13.25	12.82
I-band	1995 Jan. 5	4.80	12.03	13.78
	1997 Mar. 8	6.30	11.97	14.02
	1999 Feb. 3	3.38	12.04	13.42
	2000 Feb. 6	1.98	12.02	12.82

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