view release on metacpan or  search on metacpan

data/old_versions/constants_2018_v0.13.xml  view on Meta::CPAN

      <url href="http://physics.nist.gov/cgi-bin/cuu/Value?AA"/>
      <categoryList>
        <category>conversion</category>
        <category>electromagnetic</category>
        <category>nuclear</category>
      </categoryList>
    </PhysicalConstant>
    <PhysicalConstant>
      <name type="long">JANSKY</name>
      <name type="short">A_Jy</name>
      <alternateName/>
      <description>Jansky</description>
      <value system="MKS">1e-26</value>
      <value system="CGS">1e-23</value>
      <uncertainty type="relative">0</uncertainty>
      <dimensions/>
      <maxValue/>
      <minValue/>
      <url href="http://physics.nist.gov/cgi-bin/cuu/Value?Jy"/>
      <categoryList>
        <category>conversion</category>
        <category>cosmology</category>
        <category>electromagnetic</category>
      </categoryList>
    </PhysicalConstant>
    <PhysicalConstant>
      <name type="long">AVOGADRO</name>
      <name type="short">A_NA</name>
      <alternateName/>
      <description>Avogadro's number</description>
      <value>6.022140857e23</value>
      <uncertainty type="relative">1.2e-8</uncertainty>
      <dimensions/>
      <maxValue/>
      <minValue/>
      <url href="http://physics.nist.gov/cgi-bin/cuu/Value?na"/>
      <categoryList>
        <category>conversion</category>
        <category>nuclear</category>
      </categoryList>
    </PhysicalConstant>
    <PhysicalConstant>
      <name type="long">YEAR</name>
      <name type="short">A_yr</name>
      <alternateName>YEAR_JULIAN</alternateName>
      <description>defined as exactly 365.25 days of 86400 SI seconds</description>
      <value>31_557_600</value>
      <uncertainty type="relative">0</uncertainty>
      <dimensions/>
      <maxValue/>
      <minValue/>
      <url href="http://physics.nist.gov/cgi-bin/cuu/Value?yr"/>
      <categoryList>
        <category>conversion</category>
        <category>cosmology</category>
      </categoryList>
    </PhysicalConstant>
    <PhysicalConstant>
      <name type="long">YEAR_TROPICAL</name>
      <alternateName/>
      <description>the period of time for the ecliptic longitude of the Sun to increase 360 degrees, approximated by the Gregorian calendar</description>
      <value>31_556_925.1</value>
      <uncertainty type="absolute">0.1</uncertainty>
      <dimensions/>
      <maxValue>31556959</maxValue>
      <minValue>31556892</minValue>
      <url href="https://en.wikipedia.org/wiki/Tropical_year"/>
      <categoryList>
        <category>conversion</category>
        <category>cosmology</category>
      </categoryList>
    </PhysicalConstant>
    <PhysicalConstant>
      <name type="long">YEAR_SIDEREAL</name>
      <alternateName/>
      <description>the period of revolution of the Earth around the Sun in a fixed reference frame</description>
      <value>31_558_149.8</value>
      <uncertainty type="absolute">1</uncertainty>
      <dimensions/>
      <maxValue/>
      <minValue/>
      <url href="https://en.wikipedia.org/wiki/Sidereal_year"/>
      <categoryList>
        <category>conversion</category>
        <category>cosmology</category>
      </categoryList>
    </PhysicalConstant>
    <PhysicalConstant>
      <name type="long">YEAR_ANOMALISTIC</name>
      <alternateName/>
      <description>the period between successive passages of the Earth through perihelion</description>
      <value>31_558_432.6</value>
      <uncertainty type="absolute">0.1</uncertainty>
      <dimensions/>
      <maxValue/>
      <minValue/>
      <url href="http://asa.usno.navy.mil/SecM/Glossary.html"/>
      <categoryList>
        <category>conversion</category>
        <category>planetary</category>
      </categoryList>
    </PhysicalConstant>
    <PhysicalConstant>
      <name type="long">YEAR_ECLIPSE</name>
      <alternateName/>
      <description>the period between successive passages of the Sun (as seen from the geocenter) through the same lunar node</description>
      <value>29_947_974.3</value>
      <uncertainty type="absolute">0.1</uncertainty>
      <dimensions/>
      <maxValue/>
      <minValue/>
      <url href="http://physics.nist.gov/cgi-bin/cuu/Value?yr"/>
      <categoryList>
        <category>conversion</category>
        <category>planetary</category>
      </categoryList>
    </PhysicalConstant>
    <PhysicalConstant>
      <name type="long">MASS_SOLAR</name>
      <name type="short">A_msun</name>
      <alternateName>SOLAR_MASS</alternateName>