**Table 2:** Photometric observations of SN 2003du.
Date	JD	Phase*	U	B	V	R	I	Seeing
	2 400 000+	(days)						( $^{\prime\prime}$ )
24/4/03	52 754.2	-12.1	$15.08\pm 0.03$	$15.30\pm 0.02$	$15.32\pm 0.02$	$15.22\pm 0.01$	$15.30\pm 0.02$	1.7
25/4/03	52 755.3	-11.0	$14.55\pm 0.02$	$14.82\pm 0.02$	$14.91\pm 0.02$	$14.75\pm 0.02$	$14.77\pm 0.03$	2.0
29/4/03	52 759.3	-7.0	$13.44\pm 0.03$	$13.94\pm 0.02$	$14.06\pm 0.02$		$14.29\pm 0.02$	1.5
04/5/03	52 764.2	-2.1	$13.07\pm 0.03$	$13.55\pm 0.02$	$13.64\pm 0.02$	$13.62\pm 0.01$	$13.85\pm 0.02$	2.1
09/5/03	52 769.3	+3.0	$13.25\pm 0.02$	$13.60\pm 0.02$	$13.63\pm 0.01$	$13.66\pm 0.01$	$14.04\pm 0.02$	1.9
11/5/03	52 771.3	+5.0	$13.44\pm 0.02$	$13.72\pm 0.02$		$13.73\pm 0.01$	$14.13\pm 0.01$	1.8
15/5/03	52 775.2	+8.9	$13.64\pm 0.02$	$13.97\pm 0.02$	$13.84\pm 0.01$	$13.90\pm 0.01$	$14.38\pm 0.01$	1.7
18/5/03	52 778.3	+12.0	$14.01\pm 0.02$	$14.22\pm 0.02$	$14.00\pm 0.02$	$14.17\pm 0.01$	$14.57\pm 0.02$	1.6
19/5/03	52 779.3	+13.0	$14.14\pm 0.02$	$14.35\pm 0.02$	$14.08\pm 0.02$	$14.23\pm 0.01$	$14.60\pm 0.01$	1.6
25/5/03	52 784.3	+18.0	$14.76\pm 0.02$	$14.90\pm 0.02$	$14.36\pm 0.01$	$14.40\pm 0.01$	$14.59\pm 0.01$	2.0
31/5/03	52 791.4	+25.1	$15.59\pm 0.02$	$15.65\pm 0.02$	$14.71\pm 0.01$			1.9
01/6/03	52 792.3	+26.0	$15.68\pm 0.03$	$15.74\pm 0.02$	$14.74\pm 0.02$	$14.51\pm 0.01$	$14.42\pm 0.01$	1.4
23/6/03	52 814.2	+47.9			$15.72\pm 0.03$	$15.49\pm 0.01$	$15.27\pm 0.03$	2.4
28/6/03	52 819.3	+53.0	$16.72\pm 0.02$	$16.79\pm 0.02$	$15.90\pm 0.02$	$15.70\pm 0.02$		3.0
03/7/03	52 824.1	+57.8	$16.85\pm 0.02$	$16.94\pm 0.02$	$16.05\pm 0.01$	$15.92\pm 0.02$		2.0
01/8/03	52 853.2	+86.9	$17.49\pm 0.02$	$17.34\pm 0.02$	$16.79\pm 0.01$	$16.75\pm 0.02$	$16.95\pm 0.02$	1.2
06/8/03	52 858.2	+91.9		$17.46\pm 0.02$	$16.91\pm 0.01$	$16.90\pm 0.01$	$17.12\pm 0.01$	1.9
30/8/03	52 882.2	+115.9		$17.87\pm 0.02$	$17.51\pm 0.02$	$17.61\pm 0.02$	$17.95\pm 0.02$	1.7
05/9/03	52 888.1	+121.8		$17.95\pm 0.03$	$17.60\pm 0.01$	$17.75\pm 0.02$	$18.03\pm 0.02$	2.1
20/9/03	52 903.1	+136.8	$18.71\pm 0.04$	$18.10\pm 0.03$	$17.90\pm 0.03$	$18.05\pm 0.03$		1.6
21/9/03	52 904.2	+137.9		$18.16\pm 0.02$	$17.94\pm 0.02$	$18.06\pm 0.02$	$18.14\pm 0.05$	1.9
24/2/04	53 060.5	+293.7		$20.37\pm 0.05$	$20.32\pm 0.04$	$20.65\pm 0.06$	$19.90\pm 0.07$	1.8
01/3/04	53 066.5	+300.2		$20.43\pm 0.04$	$20.24\pm 0.05$	$20.68\pm 0.10$	$19.88\pm 0.11$	2.3
14/4/04	53 110.5	+344.2				$20.70\pm 0.06$		1.9
02/5/04	53 128.3	+362.0			$20.77\pm 0.04$	$20.66\pm 0.06$		2.0

^* Relative to the epoch of B maximum JD = 2 452 766.3.

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observations and reduction
	3 The UBVRI light curves
	4 The colour curves
	5 The absolute magnitude of SN 2003du
	6 The bolometric light curve
	7 The spectral evolution
	8 Summary
	References