Data Volume Table

The table below lists the sizes of the various data products in DR10. Note that the total data volume is about 70 TB. A substantial fraction (~50%) of this is raw or intermediate data that is primarily of interest to experts. If your institution requires most or all of this data you may email us at the helpdesk to contact a data transfer expert.

The Data Volume of Data Release 10
Directory	Description	Size	Running Total
apogee/spectro/data	Raw APOGEE spectroscopy files	7.57 TB	7.57 TB
apogee/spectro/redux	APOGEE spectro reductions	2.28 TB	9.85 TB
apogee/target	APOGEE target files	5.90 GB	9.86 TB
boss/calib/dr8_final	Photometric calibration files	946.62 MB	9.86 TB
boss/lss	Large Scale Structure Catalog Files	2.16 GB	9.86 TB
boss/photo/data	Raw imaging data	11.55 TB	21.41 TB
boss/photo/redux	Photometric reductions	10.22 TB	31.63 TB
boss/photoObj/301	Complete photometric catalog	3.40 TB	35.03 TB
boss/photoObj/astromqa	QA files for astrometry	80.79 GB	35.11 TB
boss/photoObj/atlasOutline	Files describing image masks	82.52 GB	35.19 TB
boss/photoObj/external	Matches to other catalogs	713.15 GB	35.88 TB
boss/photoObj/frames	Corrected frame files	15.38 TB	51.26 TB
boss/photoObj/photoz-weight	Photometric redshift distributions	12.91 GB	51.28 TB
boss/photoObj/plates	Matches to photometry	10.03 GB	51.29 TB
boss/photoObj/xdqso	XDQSO catalog	39.13 GB	51.33 TB
boss/resolve/2010-05-23	Photo resolve files	213.67 GB	51.53 TB
boss/spectro/data	Raw BOSS spectroscopy files	2.26 TB	53.79 TB
boss/spectro/redux	2d & 1d BOSS spectro reductions	6.59 TB	60.39 TB
boss/sweeps/dr9	Photometric sweep catalog	515.51 GB	60.89 TB
boss/target	BOSS targeting files	2.33 TB	63.22 TB
sdss/segue1/target	SEGUE-1 targeting files	88.91 GB	63.30 TB
sdss/segue2/target	SEGUE-2 target files	65.17 GB	63.37 TB
sdss/segue2/targetAll	SEGUE-2 targeting on all data	351.79 GB	63.71 TB
sdss/spectro/data	Raw SDSS spectroscopy files	1.33 TB	65.04 TB
sdss/spectro/plates	Matches to photometry	11.50 GB	65.05 TB
sdss/spectro/redux	2d & 1d SDSS spectro reductions	5.66 TB	70.72 TB
sdss/sspp	SSPP files	428.06 GB	71.14 TB
sdss/target	Legacy targeting files	9.35 GB	71.15 TB
sdss/tiling	Legacy tiling files	11.11 GB	71.16 TB