Added known values from Gehrels 1984
Added known values from Gehrels 1984

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