VizieR

Note:

V/147/sdss12 The SDSS Photometric Catalogue, Release 12 (Alam+, 2015)
ReadMe+ftp
2015ApJS..219...12A
metaV/147/sdss12

Data Release 12 (469,053,874 primary sources plus 324,960,094 secondary sources); 3,538,079 spectroscopic targets (original column names in green) (794013968 rows) (Note)

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Full	RA_ICRS deg	DE_ICRS deg	mode	class	SDSS12	m_	ObsDate yr	Q	umag mag	e_ mag	gmag mag	e_ mag	rmag mag	e_ mag	imag mag	e_ mag	zmag mag	e_ mag
1	029.987335	+00.346822	2	3	J015956.96+002048.5	*	2001.8163	3	21.835	0.230	21.513	0.064	20.823	0.055	20.477	0.060	20.223	0.201
2	029.987361	+00.346814	2	3	J015956.96+002048.5	*	2004.7322	3	21.505	0.247	21.250	0.073	20.433	0.054	20.256	0.069	19.857	0.211
3	029.987334	+00.346813	2	3	J015956.96+002048.5	*	1998.7170	3	21.729	0.171	21.469	0.064	20.783	0.053	20.452	0.066	20.390	0.295