Template:Hub/doc

From WikiProjectMed
Jump to navigation Jump to search

Description

Many properties of cosmological objects are reported with the addition of the dimensionless Hubble parameter h. This template addresses only the inverse Hubble parameter h−1
0.70
(since h0.70 is more straightforward to wikicode). If no subscript is specified, then the reader may choose a value of h of their liking to modify whatever the reported measurement is. If a subscript is specified, then the property being reported has been modified by the value of that subscript. For example, 7×1013 h−1
 
M = 1014 h−1
0.70
M.

Our best measurement, as of 2013, for the Hubble parameter is h = 0.6780 ±0.0077 from the Planck mission. In early 2011 it was 0.704+0.013
−0.014
from WMAP 7-year data.[1] See Hubble's law#Determining the Hubble constant for the most recent value of H0.

Usage

Instead of writing ''h''<small>{{su|p=−1|b=0.6780|a=l}}</small>, one can simply do the following (a numerical subscript is now optional):

  • {{hub|0.6780}}h−1
    0.6780
  • {{hub|0.75}}h−1
    0.75
  • {{hub}}h−1
     

Options

To include a link to Hubble's law#Dimensionless Hubble parameter, use the |link= parameter. It is optional and defaults to not-used, <blank>, or <null>. It is activated by "yes", or any text:

  • {{hub|0.7|link=yes}}h−1
    0.7
  • {{hub|0.7|link=y}}h−1
    0.7
  • {{hub|link=no}}h−1
     

See also

  • {{±}} : specific form of {{su}} with hard-coded positive {{sup}} and negative {{sub}}: 1+0.2
    −0.4
  • {{e}} : (1.23×104)
  • {{su}} : general form of {{±}} for formatting exponents, or two-values incertainty one below the other (monospaced : currently not printable to PDF)
  • {{sub}} : subscript text
  • {{sup}} : superscript text
  • {{Val/units}} : for formatting unit names (contents of parameters u or up)
  • {{Val/unitswithlink}} : for formatting unit names with links (contents of parameters ul or upl)
  • Subscript and superscript

References

  1. ^ Jarosik, N.; Bennett, C. L.; Dunkley, J.; Gold, B.; Greason, M. R.; Halpern, M.; Hill, R. S.; Hinshaw, G.; Kogut, A.; Komatsu, E.; Larson, D.; Limon, M.; Meyer, S. S.; Nolta, M. R.; Odegard, N.; Page, L.; Smith, K. M.; Spergel, D. N.; Tucker, G. S.; Weiland, J. L.; Wollack, E.; Wright, E. L. (February 2011). "Seven-year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Sky Maps, Systematic Errors, and Basic Results" (PDF). The Astrophysical Journal Supplement. 192 (2). arXiv:1001.4744. Bibcode:2011ApJS..192...14J. doi:10.1088/0067-0049/192/2/14. 14. Retrieved March 11, 2012.