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
boss/calib/dr8_final	Photometric calibration files	946.62 MB	946.62 MB
boss/lss	Large Scale Structure Catalog Files	2.16 GB	3.08 GB
apogee/target	APOGEE target files	5.90 GB	8.98 GB
sdss/target	Legacy targeting files	9.35 GB	18.34 GB
boss/photoObj/plates	Matches to photometry	10.03 GB	28.37 GB
sdss/tiling	Legacy tiling files	11.11 GB	39.48 GB
sdss/spectro/plates	Matches to photometry	11.50 GB	50.98 GB
boss/photoObj/photoz-weight	Photometric redshift distributions	12.91 GB	63.90 GB
boss/photoObj/xdqso	XDQSO catalog	39.13 GB	103.03 GB
sdss/segue2/target	SEGUE-2 target files	65.17 GB	168.20 GB
boss/photoObj/astromqa	QA files for astrometry	80.79 GB	248.99 GB
boss/photoObj/atlasOutline	Files describing image masks	82.52 GB	331.52 GB
sdss/segue1/target	SEGUE-1 targeting files	88.91 GB	420.43 GB
boss/resolve/2010-05-23	Photo resolve files	213.67 GB	634.10 GB
sdss/segue2/targetAll	SEGUE-2 targeting on all data	351.79 GB	985.89 GB
sdss/sspp	SSPP files	428.06 GB	1.38 TB
boss/sweeps/dr9	Photometric sweep catalog	515.51 GB	1.88 TB
boss/photoObj/external	Matches to other catalogs	713.15 GB	2.58 TB
sdss/spectro/data	Raw SDSS spectroscopy files	1.33 TB	3.91 TB
boss/spectro/data	Raw BOSS spectroscopy files	2.26 TB	6.17 TB
apogee/spectro/redux	APOGEE spectro reductions	2.28 TB	8.46 TB
boss/target	BOSS targeting files	2.33 TB	10.78 TB
boss/photoObj/301	Complete photometric catalog	3.40 TB	14.18 TB
sdss/spectro/redux	2d & 1d SDSS spectro reductions	5.66 TB	19.85 TB
boss/spectro/redux	2d & 1d BOSS spectro reductions	6.59 TB	26.44 TB
apogee/spectro/data	Raw APOGEE spectroscopy files	7.57 TB	34.01 TB
boss/photo/redux	Photometric reductions	10.22 TB	44.23 TB
boss/photo/data	Raw imaging data	11.55 TB	55.78 TB
boss/photoObj/frames	Corrected frame files	15.38 TB	71.16 TB