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'

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}}
}

Resource Documentation

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.

Columns

Sorted alphabetically. [Sort by DB column index]

NameTable Head DescriptionUnitUCD
dens dens overdensity, dens = (rho - rho_b)/rho_b, rho_b = mean background density of matter N/A phys.density;arith.ratio
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
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
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

Columns that are parts of indices are marked like this.

VOResource

VO nerds may sometimes need VOResource XML for this table.