Improved photometric calibration of the SNLS and the SDSS supernova surveys

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Table 18

Observing group description in the MAPC program and its extension.

Name		g _M	r _M	i _M	i2_M	z _M	Field	t_exp (s)	Comment

OB_D1	2	2	5	2	2	2	D1	120
							SDSS36	120	5 dithered exposures taken in a row
							SA95	3	out of focus 1.5 mm
							HZ4	2	out of focus 1.5 mm
							GD71	2	out of focus 1.5 mm
							D1	120

OB_D4	2	2	4	2	2	3	D4	120
							SDSS326	120	5 dithered exposures taken in a row
							SA113	3	out of focus 1.5 mm
							Feige110	2	out of focus 1.5 mm
							BD+284211	2	out of focus 1.5 mm
							D4	120

OB_D1_ext	2	7	3	0	7	2	SDSS36	120
							D1	120
							SDSS36	120

Notes.

^(a)

This column and the following give the number of times each observing block was completed in each band. Measures were subsequently selected.

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