Added parallax equivalency for arcseconds -> parsec
Added parallax equivalency for arcseconds -> parsec

larrybradley/astropy,aleksandr-bakanov/astropy,larrybradley/astropy,mhvk/astropy,mhvk/astropy,lpsinger/astropy,saimn/astropy,lpsinger/astropy,joergdietrich/astropy,DougBurke/astropy,lpsinger/astropy,MSeifert04/astropy,bsipocz/astropy,pllim/astropy,tbabej/astropy,mhvk/astropy,joergdietrich/astropy,kelle/astropy,funbaker/astropy,AustereCuriosity/astropy,bsipocz/astropy,pllim/astropy,aleksandr-bakanov/astropy,dhomeier/astropy,StuartLittlefair/astropy,joergdietrich/astropy,dhomeier/astropy,StuartLittlefair/astropy,astropy/astropy,mhvk/astropy,stargaser/astropy,AustereCuriosity/astropy,DougBurke/astropy,dhomeier/astropy,astropy/astropy,saimn/astropy,mhvk/astropy,kelle/astropy,StuartLittlefair/astropy,tbabej/astropy,AustereCuriosity/astropy,funbaker/astropy,bsipocz/astropy,AustereCuriosity/astropy,DougBurke/astropy,pllim/astropy,lpsinger/astropy,larrybradley/astropy,kelle/astropy,stargaser/astropy,DougBurke/astropy,bsipocz/astropy,MSeifert04/astropy,lpsinger/astropy,StuartLittlefair/astropy,pllim/astropy,stargaser/astropy,tbabej/astropy,funbaker/astropy,saimn/astropy,astropy/astropy,saimn/astropy,joergdietrich/astropy,MSeifert04/astropy,kelle/astropy,AustereCuriosity/astropy,joergdietrich/astropy,dhomeier/astropy,saimn/astropy,MSeifert04/astropy,kelle/astropy,tbabej/astropy,astropy/astropy,aleksandr-bakanov/astropy,pllim/astropy,tbabej/astropy,larrybradley/astropy,larrybradley/astropy,funbaker/astropy,astropy/astropy,dhomeier/astropy,stargaser/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy