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/photoObj/frames	Corrected frame files	15.38 TB	15.38 TB
boss/photo/data	Raw imaging data	11.55 TB	26.93 TB
boss/photo/redux	Photometric reductions	10.22 TB	37.15 TB
apogee/spectro/data	Raw APOGEE spectroscopy files	7.57 TB	44.71 TB
boss/spectro/redux	2d & 1d BOSS spectro reductions	6.59 TB	51.31 TB
sdss/spectro/redux	2d & 1d SDSS spectro reductions	5.66 TB	56.97 TB
boss/photoObj/301	Complete photometric catalog	3.40 TB	60.37 TB
boss/target	BOSS targeting files	2.33 TB	62.70 TB
apogee/spectro/redux	APOGEE spectro reductions	2.28 TB	64.98 TB
boss/spectro/data	Raw BOSS spectroscopy files	2.26 TB	67.24 TB
sdss/spectro/data	Raw SDSS spectroscopy files	1.33 TB	68.58 TB
boss/photoObj/external	Matches to other catalogs	713.15 GB	69.27 TB
boss/sweeps/dr9	Photometric sweep catalog	515.51 GB	69.78 TB
sdss/sspp	SSPP files	428.06 GB	70.20 TB
sdss/segue2/targetAll	SEGUE-2 targeting on all data	351.79 GB	70.54 TB
boss/resolve/2010-05-23	Photo resolve files	213.67 GB	70.75 TB
sdss/segue1/target	SEGUE-1 targeting files	88.91 GB	70.83 TB
boss/photoObj/atlasOutline	Files describing image masks	82.52 GB	70.91 TB
boss/photoObj/astromqa	QA files for astrometry	80.79 GB	70.99 TB
sdss/segue2/target	SEGUE-2 target files	65.17 GB	71.06 TB
boss/photoObj/xdqso	XDQSO catalog	39.13 GB	71.10 TB
boss/photoObj/photoz-weight	Photometric redshift distributions	12.91 GB	71.11 TB
sdss/spectro/plates	Matches to photometry	11.50 GB	71.12 TB
sdss/tiling	Legacy tiling files	11.11 GB	71.13 TB
boss/photoObj/plates	Matches to photometry	10.03 GB	71.14 TB
sdss/target	Legacy targeting files	9.35 GB	71.15 TB
apogee/target	APOGEE target files	5.90 GB	71.15 TB
boss/lss	Large Scale Structure Catalog Files	2.16 GB	71.16 TB
boss/calib/dr8_final	Photometric calibration files	946.62 MB	71.16 TB