Table information for 'bolshoi.Dens256'

General

Table Description: Densities for 256^3 grid cells; for some snapnums

This table is available for ADQL queries and through the TAP endpoint.

Resource Description: This is an extract of the Bolshoi simulation data. It is used for testing and demonstration purposes only. The full data is available at https://www.cosmosim.org/.

For a list of all services and tables belonging to this table's resource, see Information on resource 'Bolshoi'

Further information

Extensive documentation is available at https://www.cosmosim.org/. See also: Riebe et al. 2013, The MultiDark Database, AN 334, 691, http://adsabs.harvard.edu/abs/2013AN....334..691R for a description of its predecessor www.multidark.org.

Resource Reference URL: Bolshoi

Citing this table

To cite the table as such, we suggest the following BibTeX entry:

@MISC{vo:bolshoi_Dens256,
  year=2016,
  title={Bolshoi},
  author={Riebe K.},
  url={http://gavo.aip.de/tableinfo/bolshoi.Dens256},
  howpublished={{VO} resource provided by the {AIP} {DaCHS}}
}

Fields

Sorted by DB column index. [Sort alphabetically]

NameTable Head DescriptionUnitUCD
webId webId unique id for the entry in the database table, corresponds to the line number in the original file, starting with 0 at first line N/A meta.id
ix ix spatial grid index, x-direction; ix= floor(x/nx); multiply/divide by factors of 2 when comparing with a finer/coarser grid N/A pos.cartesian.x
iy iy spatial grid index, y-direction; iy = floor(y/ny) N/A pos.cartesian.y
iz iz spatial grid index, z-direction; iz = floor(z/nz) N/A pos.cartesian.z
phkey phkey Peano-Hilbert key; multiply/divide by factors of 8 when comparing with a finer/coarser grid N/A N/A
dens dens overdensity, dens = (rho - rho_b)/rho_b, rho_b = mean background density of matter N/A phys.density;arith.ratio
snapnum snapnum unique id for the entry in the database table, corresponds to the line number in the original file, starting with 0 at first line N/A time.epoch

Columns that are parts of indices are marked like this.

Other

VOResource

VO nerds may sometimes need VOResource XML for this table.

More Information on the Base Resource

Extensive documentation is available at https://www.cosmosim.org/. See also: Riebe et al. 2013, The MultiDark Database, AN 334, 691, http://adsabs.harvard.edu/abs/2013AN....334..691R for a description of its predecessor www.multidark.org.