Summary of differences in arcseconds

Green means < 10 milli-arcsec, orange < 1 arcsec and red > 1 arcsec

See also matrix view

ecliptic to fk4

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	ecliptic	fk4	12.142617	10.962334	13.929943	3.073007	Plot
astropy	palpy	ecliptic	fk4	12.128428	10.935371	13.888976	3.057482	Plot
astropy	pyast	ecliptic	fk4	12.188700	10.989591	13.957816	3.072625	Plot
astropy	pyephem	ecliptic	fk4	11.674292	10.582021	13.791029	2.971487	Plot
astropy	pyslalib	ecliptic	fk4	12.116708	10.928913	13.882168	3.057091	Plot
astropy	pytpm	ecliptic	fk4	690.615381	622.587278	790.677310	174.068335	Plot
kapteyn	palpy	ecliptic	fk4	0.237836	0.213103	0.274448	0.063567	Plot
kapteyn	pyast	ecliptic	fk4	0.237787	0.213535	0.273263	0.062337	Plot
kapteyn	pyephem	ecliptic	fk4	0.462763	0.462079	0.867329	0.233441	Plot
kapteyn	pyslalib	ecliptic	fk4	0.216124	0.195768	0.252205	0.058310	Plot
kapteyn	pytpm	ecliptic	fk4	702.800664	633.547833	804.604709	177.140435	Plot
palpy	pyast	ecliptic	fk4	0.060105	0.054222	0.068844	0.015143	Plot
palpy	pyephem	ecliptic	fk4	0.543957	0.554878	0.988669	0.244565	Plot
palpy	pyslalib	ecliptic	fk4	0.036185	0.032943	0.041558	0.008885	Plot
palpy	pytpm	ecliptic	fk4	702.746664	633.522634	804.566273	177.125814	Plot
pyast	pyephem	ecliptic	fk4	0.577853	0.591075	1.036336	0.252163	Plot
pyast	pyslalib	ecliptic	fk4	0.075946	0.068819	0.086278	0.018634	Plot
pyast	pytpm	ecliptic	fk4	702.806748	633.576854	804.635114	177.140957	Plot
pyephem	pyslalib	ecliptic	fk4	0.532399	0.538282	0.970174	0.243764	Plot
pyephem	pytpm	ecliptic	fk4	702.372929	633.161918	804.420798	177.029380	Plot
pyslalib	pytpm	ecliptic	fk4	702.743325	633.516111	804.559468	177.125412	Plot

ecliptic to fk5

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	ecliptic	fk5	12.176071	10.982941	13.949959	3.072341	Plot
astropy	novas	ecliptic	fk5	12.183666	10.983796	13.949868	3.071507	Plot
astropy	palpy	ecliptic	fk5	12.128188	10.935167	13.887797	3.057587	Plot
astropy	pyast	ecliptic	fk5	12.188460	10.989386	13.956636	3.072730	Plot
astropy	pyephem	ecliptic	fk5	12.176075	10.982942	13.949959	3.072340	Plot
astropy	pyslalib	ecliptic	fk5	12.115886	10.928721	13.881117	3.057197	Plot
astropy	pytpm	ecliptic	fk5	690.615131	622.587493	790.677210	174.068222	Plot
kapteyn	novas	ecliptic	fk5	0.036619	0.032998	0.042000	0.009518	Plot
kapteyn	palpy	ecliptic	fk5	0.062989	0.057502	0.074091	0.016668	Plot
kapteyn	pyast	ecliptic	fk5	0.036183	0.032943	0.041557	0.008885	Plot
kapteyn	pyephem	ecliptic	fk5	0.000035	0.000031	0.000040	0.000009	Plot
kapteyn	pyslalib	ecliptic	fk5	0.060108	0.054226	0.068848	0.015144	Plot
kapteyn	pytpm	ecliptic	fk5	702.803563	633.570340	804.627022	177.140546	Plot
novas	palpy	ecliptic	fk5	0.056831	0.051613	0.065971	0.015038	Plot
novas	pyast	ecliptic	fk5	0.020006	0.018190	0.023147	0.005122	Plot
novas	pyephem	ecliptic	fk5	0.036584	0.032967	0.041960	0.009509	Plot
novas	pyslalib	ecliptic	fk5	0.071104	0.064468	0.080980	0.017490	Plot
novas	pytpm	ecliptic	fk5	702.800624	633.571277	804.627053	177.139729	Plot
palpy	pyast	ecliptic	fk5	0.060105	0.054222	0.068844	0.015143	Plot
palpy	pyephem	ecliptic	fk5	0.062990	0.057487	0.074073	0.016664	Plot
palpy	pyslalib	ecliptic	fk5	0.036185	0.032943	0.041558	0.008885	Plot
palpy	pytpm	ecliptic	fk5	702.746813	633.522640	804.564982	177.125804	Plot
pyast	pyephem	ecliptic	fk5	0.036153	0.032916	0.041523	0.008877	Plot
pyast	pyslalib	ecliptic	fk5	0.075946	0.068819	0.086279	0.018634	Plot
pyast	pytpm	ecliptic	fk5	702.806898	633.576860	804.633823	177.140947	Plot
pyephem	pyslalib	ecliptic	fk5	0.060106	0.054227	0.068848	0.015144	Plot
pyephem	pytpm	ecliptic	fk5	702.803560	633.570341	804.627022	177.140545	Plot
pyslalib	pytpm	ecliptic	fk5	702.743475	633.516117	804.558177	177.125402	Plot

ecliptic to galactic

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	ecliptic	galactic	12.176071	10.982941	13.949959	3.072341	Plot
astropy	palpy	ecliptic	galactic	12.127859	10.935080	13.887731	3.057601	Plot
astropy	pyast	ecliptic	galactic	12.188131	10.989299	13.956571	3.072743	Plot
astropy	pyephem	ecliptic	galactic	12.172479	10.979089	13.945046	3.071261	Plot
astropy	pyslalib	ecliptic	galactic	12.115680	10.928636	13.881053	3.057211	Plot
astropy	pytpm	ecliptic	galactic	690.624529	622.564989	790.655601	174.068100	Plot
kapteyn	palpy	ecliptic	galactic	0.062585	0.057036	0.073489	0.016545	Plot
kapteyn	pyast	ecliptic	galactic	0.035059	0.031971	0.040328	0.008607	Plot
kapteyn	pyephem	ecliptic	galactic	0.007969	0.007195	0.009186	0.002062	Plot
kapteyn	pyslalib	ecliptic	galactic	0.060132	0.054337	0.068950	0.015137	Plot
kapteyn	pytpm	ecliptic	galactic	702.800457	633.547838	804.605484	177.140425	Plot
palpy	pyast	ecliptic	galactic	0.060105	0.054222	0.068844	0.015143	Plot
palpy	pyephem	ecliptic	galactic	0.058886	0.053390	0.068898	0.015687	Plot
palpy	pyslalib	ecliptic	galactic	0.036185	0.032943	0.041558	0.008885	Plot
palpy	pytpm	ecliptic	galactic	702.744562	633.500043	804.543304	177.125694	Plot
pyast	pyephem	ecliptic	galactic	0.035177	0.032202	0.040494	0.008559	Plot
pyast	pyslalib	ecliptic	galactic	0.075946	0.068819	0.086278	0.018634	Plot
pyast	pytpm	ecliptic	galactic	702.804804	633.554263	804.612145	177.140837	Plot
pyephem	pyslalib	ecliptic	galactic	0.056093	0.050976	0.064694	0.014277	Plot
pyephem	pytpm	ecliptic	galactic	702.799283	633.543999	804.600592	177.139348	Plot
pyslalib	pytpm	ecliptic	galactic	702.739910	633.493525	804.536571	177.125294	Plot

ecliptic to icrs

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	ecliptic	icrs	12.176071	10.982941	13.949959	3.072341	Plot
astropy	novas	ecliptic	icrs	12.169467	10.970410	13.932002	3.066932	Plot
astropy	palpy	ecliptic	icrs	12.128188	10.935167	13.887797	3.057587	Plot
astropy	pyast	ecliptic	icrs	12.188459	10.989386	13.956636	3.072730	Plot
astropy	pyslalib	ecliptic	icrs	12.115886	10.928721	13.881117	3.057197	Plot
kapteyn	novas	ecliptic	icrs	0.052811	0.047844	0.061352	0.013971	Plot
kapteyn	palpy	ecliptic	icrs	0.062989	0.057502	0.074091	0.016668	Plot
kapteyn	pyast	ecliptic	icrs	0.036183	0.032943	0.041557	0.008885	Plot
kapteyn	pyslalib	ecliptic	icrs	0.060108	0.054226	0.068848	0.015144	Plot
novas	palpy	ecliptic	icrs	0.042302	0.038737	0.048756	0.010579	Plot
novas	pyast	ecliptic	icrs	0.027330	0.024660	0.031674	0.007067	Plot
novas	pyslalib	ecliptic	icrs	0.068411	0.062494	0.078201	0.016813	Plot
palpy	pyast	ecliptic	icrs	0.060105	0.054222	0.068844	0.015143	Plot
palpy	pyslalib	ecliptic	icrs	0.036185	0.032943	0.041558	0.008885	Plot
pyast	pyslalib	ecliptic	icrs	0.075946	0.068819	0.086278	0.018634	Plot

fk4 to ecliptic

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	fk4	ecliptic	12.056404	10.848955	13.929914	3.195015	Plot
astropy	palpy	fk4	ecliptic	11.985431	10.820986	13.888844	3.182153	Plot
astropy	pyast	fk4	ecliptic	12.044888	10.874632	13.957682	3.197933	Plot
astropy	pyephem	fk4	ecliptic	2159.911813	1948.949561	2501.029890	573.269310	Plot
astropy	pyslalib	fk4	ecliptic	11.981268	10.814985	13.882247	3.180664	Plot
astropy	pytpm	fk4	ecliptic	2158.271019	1948.164062	2500.327483	572.958809	Plot
kapteyn	palpy	fk4	ecliptic	0.240237	0.215427	0.274486	0.061770	Plot
kapteyn	pyast	fk4	ecliptic	0.240140	0.215617	0.273277	0.060939	Plot
kapteyn	pyephem	fk4	ecliptic	2171.957761	1959.795499	2514.951274	576.463932	Plot
kapteyn	pyslalib	fk4	ecliptic	0.219353	0.197609	0.252238	0.056954	Plot
kapteyn	pytpm	fk4	ecliptic	2170.317391	1959.010974	2514.254530	576.153593	Plot
palpy	pyast	fk4	ecliptic	0.059451	0.053648	0.068844	0.015781	Plot
palpy	pyephem	fk4	ecliptic	2171.836776	1959.769896	2514.914473	576.451267	Plot
palpy	pyslalib	fk4	ecliptic	0.036430	0.033072	0.041558	0.008951	Plot
palpy	pytpm	fk4	ecliptic	2170.259022	1958.984984	2514.216001	576.140981	Plot
pyast	pyephem	fk4	ecliptic	2171.896226	1959.823544	2514.983311	576.467048	Plot
pyast	pyslalib	fk4	ecliptic	0.075305	0.068355	0.086278	0.018902	Plot
pyast	pytpm	fk4	ecliptic	2170.318408	1959.038629	2514.284841	576.156761	Plot
pyephem	pyslalib	fk4	ecliptic	2171.831977	1959.763571	2514.906957	576.449673	Plot
pyephem	pytpm	fk4	ecliptic	20.420169	18.417638	23.487377	5.302601	Plot
pyslalib	pytpm	fk4	ecliptic	2170.256934	1958.978920	2514.209196	576.139472	Plot

fk4 to fk5

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	fk4	fk5	0.000020	0.000019	0.000029	0.000006	Plot
astropy	palpy	fk4	fk5	0.004455	0.004223	0.006196	0.001324	Plot
astropy	pyast	fk4	fk5	0.004455	0.004223	0.006196	0.001324	Plot
astropy	pyephem	fk4	fk5	0.564695	0.574742	1.020210	0.254929	Plot
astropy	pyslalib	fk4	fk5	0.004455	0.004223	0.006196	0.001324	Plot
astropy	pytpm	fk4	fk5	0.004450	0.004216	0.006186	0.001322	Plot
kapteyn	palpy	fk4	fk5	0.004460	0.004223	0.006200	0.001325	Plot
kapteyn	pyast	fk4	fk5	0.004460	0.004223	0.006200	0.001325	Plot
kapteyn	pyephem	fk4	fk5	0.564669	0.574735	1.020198	0.254926	Plot
kapteyn	pyslalib	fk4	fk5	0.004460	0.004223	0.006200	0.001325	Plot
kapteyn	pytpm	fk4	fk5	0.004453	0.004216	0.006189	0.001323	Plot
palpy	pyast	fk4	fk5	0.000000	0.000000	0.000000	0.000000	Plot
palpy	pyephem	fk4	fk5	0.565967	0.575010	1.019607	0.254424	Plot
palpy	pyslalib	fk4	fk5	0.000000	0.000000	0.000000	0.000000	Plot
palpy	pytpm	fk4	fk5	0.000009	0.000009	0.000014	0.000002	Plot
pyast	pyephem	fk4	fk5	0.565967	0.575010	1.019607	0.254424	Plot
pyast	pyslalib	fk4	fk5	0.000000	0.000000	0.000000	0.000000	Plot
pyast	pytpm	fk4	fk5	0.000009	0.000009	0.000014	0.000002	Plot
pyephem	pyslalib	fk4	fk5	0.565967	0.575010	1.019607	0.254424	Plot
pyephem	pytpm	fk4	fk5	0.565964	0.575010	1.019603	0.254424	Plot
pyslalib	pytpm	fk4	fk5	0.000009	0.000009	0.000014	0.000002	Plot

fk4 to galactic

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	fk4	galactic	0.000004	0.000004	0.000005	0.000001	Plot
astropy	palpy	fk4	galactic	0.217933	0.196145	0.249069	0.055752	Plot
astropy	pyast	fk4	galactic	0.217933	0.196145	0.249069	0.055752	Plot
astropy	pyephem	fk4	galactic	0.459495	0.458131	0.860151	0.230676	Plot
astropy	pyslalib	fk4	galactic	0.217933	0.196145	0.249069	0.055752	Plot
astropy	pytpm	fk4	galactic	0.000000	0.000000	0.000001	0.000000	Plot
kapteyn	palpy	fk4	galactic	0.217934	0.196145	0.249065	0.055752	Plot
kapteyn	pyast	fk4	galactic	0.217934	0.196145	0.249065	0.055752	Plot
kapteyn	pyephem	fk4	galactic	0.459492	0.458129	0.860146	0.230674	Plot
kapteyn	pyslalib	fk4	galactic	0.217934	0.196145	0.249065	0.055752	Plot
kapteyn	pytpm	fk4	galactic	0.000004	0.000004	0.000005	0.000001	Plot
palpy	pyast	fk4	galactic	0.000000	0.000000	0.000000	0.000000	Plot
palpy	pyephem	fk4	galactic	0.563261	0.569953	1.012050	0.253002	Plot
palpy	pyslalib	fk4	galactic	0.000000	0.000000	0.000000	0.000000	Plot
palpy	pytpm	fk4	galactic	0.217933	0.196145	0.249069	0.055752	Plot
pyast	pyephem	fk4	galactic	0.563261	0.569953	1.012050	0.253002	Plot
pyast	pyslalib	fk4	galactic	0.000000	0.000000	0.000000	0.000000	Plot
pyast	pytpm	fk4	galactic	0.217933	0.196145	0.249069	0.055752	Plot
pyephem	pyslalib	fk4	galactic	0.563261	0.569953	1.012050	0.253002	Plot
pyephem	pytpm	fk4	galactic	0.459494	0.458131	0.860151	0.230676	Plot
pyslalib	pytpm	fk4	galactic	0.217933	0.196145	0.249069	0.055752	Plot

fk4 to icrs

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	fk4	icrs	0.000004	0.000004	0.000006	0.000001	Plot
astropy	palpy	fk4	icrs	0.004461	0.004223	0.006199	0.001325	Plot
astropy	pyast	fk4	icrs	0.004461	0.004223	0.006199	0.001325	Plot
astropy	pyslalib	fk4	icrs	0.004461	0.004223	0.006199	0.001325	Plot
kapteyn	palpy	fk4	icrs	0.004460	0.004223	0.006200	0.001325	Plot
kapteyn	pyast	fk4	icrs	0.004460	0.004223	0.006200	0.001325	Plot
kapteyn	pyslalib	fk4	icrs	0.004460	0.004223	0.006200	0.001325	Plot
palpy	pyast	fk4	icrs	0.000000	0.000000	0.000000	0.000000	Plot
palpy	pyslalib	fk4	icrs	0.000000	0.000000	0.000000	0.000000	Plot
pyast	pyslalib	fk4	icrs	0.000000	0.000000	0.000000	0.000000	Plot

fk5 to ecliptic

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	fk5	ecliptic	12.040405	10.868485	13.949966	3.196385	Plot
astropy	novas	fk5	ecliptic	12.042833	10.868937	13.949851	3.196657	Plot
astropy	palpy	fk5	ecliptic	11.987949	10.820832	13.887806	3.182083	Plot
astropy	pyast	fk5	ecliptic	12.047118	10.874478	13.956645	3.197862	Plot
astropy	pyephem	fk5	ecliptic	12.040407	10.868485	13.949966	3.196385	Plot
astropy	pyslalib	fk5	ecliptic	11.980953	10.814838	13.881125	3.180605	Plot
astropy	pytpm	fk5	ecliptic	12.040405	10.868485	13.949966	3.196385	Plot
kapteyn	novas	fk5	ecliptic	0.036620	0.032998	0.042000	0.009518	Plot
kapteyn	palpy	fk5	ecliptic	0.063328	0.057304	0.074092	0.017004	Plot
kapteyn	pyast	fk5	ecliptic	0.036442	0.033079	0.041557	0.008934	Plot
kapteyn	pyephem	fk5	ecliptic	0.000035	0.000031	0.000040	0.000009	Plot
kapteyn	pyslalib	fk5	ecliptic	0.059455	0.053652	0.068848	0.015781	Plot
kapteyn	pytpm	fk5	ecliptic	0.000001	0.000001	0.000001	0.000000	Plot
novas	palpy	fk5	ecliptic	0.056558	0.051305	0.065971	0.015098	Plot
novas	pyast	fk5	ecliptic	0.020125	0.018223	0.023147	0.005180	Plot
novas	pyephem	fk5	ecliptic	0.036585	0.032967	0.041960	0.009509	Plot
novas	pyslalib	fk5	ecliptic	0.070258	0.063954	0.080981	0.017873	Plot
novas	pytpm	fk5	ecliptic	0.036619	0.032998	0.041999	0.009518	Plot
palpy	pyast	fk5	ecliptic	0.059451	0.053648	0.068844	0.015780	Plot
palpy	pyephem	fk5	ecliptic	0.063304	0.057289	0.074073	0.017000	Plot
palpy	pyslalib	fk5	ecliptic	0.036442	0.033080	0.041558	0.008934	Plot
palpy	pytpm	fk5	ecliptic	0.063327	0.057303	0.074091	0.017003	Plot
pyast	pyephem	fk5	ecliptic	0.036411	0.033053	0.041523	0.008926	Plot
pyast	pyslalib	fk5	ecliptic	0.075274	0.068358	0.086278	0.018900	Plot
pyast	pytpm	fk5	ecliptic	0.036441	0.033079	0.041557	0.008933	Plot
pyephem	pyslalib	fk5	ecliptic	0.059474	0.053652	0.068848	0.015782	Plot
pyephem	pytpm	fk5	ecliptic	0.000034	0.000031	0.000039	0.000009	Plot
pyslalib	pytpm	fk5	ecliptic	0.059455	0.053652	0.068848	0.015781	Plot

fk5 to fk4

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	fk5	fk4	0.000004	0.000004	0.000006	0.000001	Plot
astropy	palpy	fk5	fk4	0.004450	0.004217	0.006194	0.001322	Plot
astropy	pyast	fk5	fk4	0.004450	0.004217	0.006194	0.001322	Plot
astropy	pyephem	fk5	fk4	0.564713	0.574624	1.020036	0.254973	Plot
astropy	pyslalib	fk5	fk4	0.004450	0.004217	0.006194	0.001322	Plot
astropy	pytpm	fk5	fk4	0.004450	0.004217	0.006189	0.001322	Plot
kapteyn	palpy	fk5	fk4	0.004450	0.004216	0.006194	0.001322	Plot
kapteyn	pyast	fk5	fk4	0.004450	0.004216	0.006194	0.001322	Plot
kapteyn	pyephem	fk5	fk4	0.564712	0.574623	1.020032	0.254971	Plot
kapteyn	pyslalib	fk5	fk4	0.004449	0.004216	0.006194	0.001322	Plot
kapteyn	pytpm	fk5	fk4	0.004450	0.004217	0.006189	0.001322	Plot
palpy	pyast	fk5	fk4	0.000000	0.000000	0.000000	0.000000	Plot
palpy	pyephem	fk5	fk4	0.564797	0.574896	1.019420	0.254471	Plot
palpy	pyslalib	fk5	fk4	0.000000	0.000000	0.000003	0.000000	Plot
palpy	pytpm	fk5	fk4	0.000007	0.000007	0.000014	0.000003	Plot
pyast	pyephem	fk5	fk4	0.564797	0.574896	1.019420	0.254471	Plot
pyast	pyslalib	fk5	fk4	0.000000	0.000000	0.000003	0.000000	Plot
pyast	pytpm	fk5	fk4	0.000007	0.000007	0.000014	0.000003	Plot
pyephem	pyslalib	fk5	fk4	0.564797	0.574896	1.019420	0.254471	Plot
pyephem	pytpm	fk5	fk4	0.564799	0.574899	1.019430	0.254471	Plot
pyslalib	pytpm	fk5	fk4	0.000007	0.000007	0.000014	0.000003	Plot

fk5 to galactic

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	fk5	galactic	0.000001	0.000001	0.000001	0.000000	Plot
astropy	palpy	fk5	galactic	0.001235	0.001110	0.001414	0.000319	Plot
astropy	pyast	fk5	galactic	0.001235	0.001110	0.001414	0.000319	Plot
astropy	pyephem	fk5	galactic	0.007900	0.007151	0.009162	0.002086	Plot
astropy	pyslalib	fk5	galactic	0.001235	0.001110	0.001414	0.000319	Plot
astropy	pytpm	fk5	galactic	0.217647	0.196029	0.248969	0.055728	Plot
kapteyn	palpy	fk5	galactic	0.001235	0.001110	0.001414	0.000319	Plot
kapteyn	pyast	fk5	galactic	0.001235	0.001110	0.001414	0.000319	Plot
kapteyn	pyephem	fk5	galactic	0.007901	0.007152	0.009162	0.002086	Plot
kapteyn	pyslalib	fk5	galactic	0.001235	0.001110	0.001414	0.000319	Plot
kapteyn	pytpm	fk5	galactic	0.217646	0.196028	0.248968	0.055728	Plot
palpy	pyast	fk5	galactic	0.000000	0.000000	0.000000	0.000000	Plot
palpy	pyephem	fk5	galactic	0.008617	0.007782	0.009988	0.002287	Plot
palpy	pyslalib	fk5	galactic	0.000000	0.000000	0.000000	0.000000	Plot
palpy	pytpm	fk5	galactic	0.217783	0.196115	0.249066	0.055749	Plot
pyast	pyephem	fk5	galactic	0.008617	0.007782	0.009988	0.002287	Plot
pyast	pyslalib	fk5	galactic	0.000000	0.000000	0.000000	0.000000	Plot
pyast	pytpm	fk5	galactic	0.217783	0.196115	0.249066	0.055749	Plot
pyephem	pyslalib	fk5	galactic	0.008617	0.007782	0.009988	0.002287	Plot
pyephem	pytpm	fk5	galactic	0.222743	0.200759	0.254952	0.057060	Plot
pyslalib	pytpm	fk5	galactic	0.217783	0.196115	0.249066	0.055749	Plot

fk5 to icrs

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	fk5	icrs	0.000000	0.000000	0.000000	0.000000	Plot
astropy	novas	fk5	icrs	0.025767	0.023355	0.030023	0.006856	Plot
astropy	palpy	fk5	icrs	0.000000	0.000000	0.000000	0.000000	Plot
astropy	pyast	fk5	icrs	0.000000	0.000000	0.000000	0.000000	Plot
astropy	pyslalib	fk5	icrs	0.000000	0.000000	0.000000	0.000000	Plot
kapteyn	novas	fk5	icrs	0.025767	0.023355	0.030023	0.006856	Plot
kapteyn	palpy	fk5	icrs	0.000000	0.000000	0.000000	0.000000	Plot
kapteyn	pyast	fk5	icrs	0.000000	0.000000	0.000000	0.000000	Plot
kapteyn	pyslalib	fk5	icrs	0.000000	0.000000	0.000000	0.000000	Plot
novas	palpy	fk5	icrs	0.025767	0.023355	0.030023	0.006856	Plot
novas	pyast	fk5	icrs	0.025767	0.023355	0.030023	0.006856	Plot
novas	pyslalib	fk5	icrs	0.025767	0.023355	0.030023	0.006856	Plot
palpy	pyast	fk5	icrs	0.000000	0.000000	0.000000	0.000000	Plot
palpy	pyslalib	fk5	icrs	0.000000	0.000000	0.000000	0.000000	Plot
pyast	pyslalib	fk5	icrs	0.000000	0.000000	0.000000	0.000000	Plot

galactic to ecliptic

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	galactic	ecliptic	12.137604	11.001981	13.949971	3.125673	Plot
astropy	palpy	galactic	ecliptic	12.088482	10.952434	13.887739	3.111544	Plot
astropy	pyast	galactic	ecliptic	12.148645	11.006717	13.956578	3.126967	Plot
astropy	pyephem	galactic	ecliptic	12.134777	10.998102	13.945060	3.124617	Plot
astropy	pyslalib	galactic	ecliptic	12.077781	10.947658	13.881066	3.110235	Plot
astropy	pytpm	galactic	ecliptic	1827.313970	1654.609969	2098.067013	470.091539	Plot
kapteyn	palpy	galactic	ecliptic	0.064456	0.058484	0.073489	0.016163	Plot
kapteyn	pyast	galactic	ecliptic	0.034859	0.031737	0.040328	0.008981	Plot
kapteyn	pyephem	galactic	ecliptic	0.007917	0.007157	0.009186	0.002057	Plot
kapteyn	pyslalib	galactic	ecliptic	0.060139	0.054354	0.068950	0.015447	Plot
kapteyn	pytpm	galactic	ecliptic	1839.445487	1665.611830	2112.016920	473.217213	Plot
palpy	pyast	galactic	ecliptic	0.060143	0.054286	0.068844	0.015425	Plot
palpy	pyephem	galactic	ecliptic	0.060528	0.054900	0.068899	0.015147	Plot
palpy	pyslalib	galactic	ecliptic	0.035887	0.032705	0.041558	0.009243	Plot
palpy	pytpm	galactic	ecliptic	1839.402372	1665.562351	2111.954752	473.203093	Plot
pyast	pyephem	galactic	ecliptic	0.035078	0.031852	0.040494	0.009102	Plot
pyast	pyslalib	galactic	ecliptic	0.074122	0.067658	0.086278	0.018980	Plot
pyast	pytpm	galactic	ecliptic	1839.462537	1665.616635	2112.023591	473.218517	Plot
pyephem	pyslalib	galactic	ecliptic	0.056302	0.050974	0.064695	0.014538	Plot
pyephem	pytpm	galactic	ecliptic	1839.442931	1665.607962	2112.012009	473.216163	Plot
pyslalib	pytpm	galactic	ecliptic	1839.384799	1665.557500	2111.948009	473.201774	Plot

galactic to fk4

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	galactic	fk4	0.000004	0.000004	0.000005	0.000001	Plot
astropy	palpy	galactic	fk4	0.217123	0.195032	0.249037	0.056381	Plot
astropy	pyast	galactic	fk4	0.217123	0.195032	0.249037	0.056381	Plot
astropy	pyephem	galactic	fk4	0.448513	0.449965	0.858774	0.226540	Plot
astropy	pyslalib	galactic	fk4	0.217123	0.195032	0.249037	0.056381	Plot
astropy	pytpm	galactic	fk4	0.000000	0.000000	0.000000	0.000000	Plot
kapteyn	palpy	galactic	fk4	0.217121	0.195032	0.249032	0.056381	Plot
kapteyn	pyast	galactic	fk4	0.217121	0.195032	0.249032	0.056381	Plot
kapteyn	pyephem	galactic	fk4	0.448511	0.449963	0.858769	0.226537	Plot
kapteyn	pyslalib	galactic	fk4	0.217121	0.195032	0.249032	0.056381	Plot
kapteyn	pytpm	galactic	fk4	0.000004	0.000004	0.000005	0.000001	Plot
palpy	pyast	galactic	fk4	0.000000	0.000000	0.000000	0.000000	Plot
palpy	pyephem	galactic	fk4	0.543986	0.560180	1.009565	0.241864	Plot
palpy	pyslalib	galactic	fk4	0.000000	0.000000	0.000003	0.000000	Plot
palpy	pytpm	galactic	fk4	0.217123	0.195032	0.249037	0.056381	Plot
pyast	pyephem	galactic	fk4	0.543986	0.560180	1.009565	0.241864	Plot
pyast	pyslalib	galactic	fk4	0.000000	0.000000	0.000003	0.000000	Plot
pyast	pytpm	galactic	fk4	0.217123	0.195032	0.249037	0.056381	Plot
pyephem	pyslalib	galactic	fk4	0.543986	0.560180	1.009565	0.241864	Plot
pyephem	pytpm	galactic	fk4	0.448513	0.449965	0.858774	0.226540	Plot
pyslalib	pytpm	galactic	fk4	0.217123	0.195032	0.249037	0.056381	Plot

galactic to fk5

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	galactic	fk5	0.000001	0.000001	0.000001	0.000000	Plot
astropy	palpy	galactic	fk5	0.001213	0.001098	0.001414	0.000326	Plot
astropy	pyast	galactic	fk5	0.001213	0.001098	0.001414	0.000326	Plot
astropy	pyephem	galactic	fk5	0.007893	0.007138	0.009162	0.002052	Plot
astropy	pyslalib	galactic	fk5	0.001213	0.001098	0.001414	0.000326	Plot
astropy	pytpm	galactic	fk5	0.216475	0.194941	0.248948	0.056376	Plot
kapteyn	palpy	galactic	fk5	0.001213	0.001098	0.001414	0.000326	Plot
kapteyn	pyast	galactic	fk5	0.001213	0.001098	0.001414	0.000326	Plot
kapteyn	pyephem	galactic	fk5	0.007894	0.007138	0.009162	0.002053	Plot
kapteyn	pyslalib	galactic	fk5	0.001213	0.001098	0.001414	0.000326	Plot
kapteyn	pytpm	galactic	fk5	0.216474	0.194940	0.248947	0.056376	Plot
palpy	pyast	galactic	fk5	0.000000	0.000000	0.000000	0.000000	Plot
palpy	pyephem	galactic	fk5	0.008570	0.007780	0.009988	0.002224	Plot
palpy	pyslalib	galactic	fk5	0.000000	0.000000	0.000000	0.000000	Plot
palpy	pytpm	galactic	fk5	0.217124	0.195036	0.249042	0.056383	Plot
pyast	pyephem	galactic	fk5	0.008570	0.007780	0.009988	0.002224	Plot
pyast	pyslalib	galactic	fk5	0.000000	0.000000	0.000000	0.000000	Plot
pyast	pytpm	galactic	fk5	0.217124	0.195036	0.249042	0.056383	Plot
pyephem	pyslalib	galactic	fk5	0.008570	0.007780	0.009988	0.002224	Plot
pyephem	pytpm	galactic	fk5	0.221211	0.199488	0.254886	0.057882	Plot
pyslalib	pytpm	galactic	fk5	0.217124	0.195036	0.249042	0.056383	Plot

galactic to icrs

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	galactic	icrs	0.000001	0.000001	0.000001	0.000000	Plot
astropy	palpy	galactic	icrs	0.001213	0.001098	0.001414	0.000326	Plot
astropy	pyast	galactic	icrs	0.001213	0.001098	0.001414	0.000326	Plot
astropy	pyslalib	galactic	icrs	0.001213	0.001098	0.001414	0.000326	Plot
kapteyn	palpy	galactic	icrs	0.001213	0.001098	0.001414	0.000326	Plot
kapteyn	pyast	galactic	icrs	0.001213	0.001098	0.001414	0.000326	Plot
kapteyn	pyslalib	galactic	icrs	0.001213	0.001098	0.001414	0.000326	Plot
palpy	pyast	galactic	icrs	0.000000	0.000000	0.000000	0.000000	Plot
palpy	pyslalib	galactic	icrs	0.000000	0.000000	0.000000	0.000000	Plot
pyast	pyslalib	galactic	icrs	0.000000	0.000000	0.000000	0.000000	Plot

icrs to ecliptic

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	icrs	ecliptic	12.040405	10.868485	13.949966	3.196385	Plot
astropy	novas	icrs	ecliptic	12.024710	10.855515	13.931998	3.192368	Plot
astropy	palpy	icrs	ecliptic	11.987949	10.820832	13.887806	3.182083	Plot
astropy	pyast	icrs	ecliptic	12.047119	10.874478	13.956645	3.197862	Plot
astropy	pyslalib	icrs	ecliptic	11.980953	10.814838	13.881125	3.180605	Plot
kapteyn	novas	icrs	ecliptic	0.052716	0.048124	0.061352	0.013606	Plot
kapteyn	palpy	icrs	ecliptic	0.063327	0.057304	0.074091	0.017004	Plot
kapteyn	pyast	icrs	ecliptic	0.036442	0.033079	0.041557	0.008934	Plot
kapteyn	pyslalib	icrs	ecliptic	0.059455	0.053652	0.068848	0.015781	Plot
novas	palpy	icrs	ecliptic	0.041973	0.038386	0.048756	0.010878	Plot
novas	pyast	icrs	ecliptic	0.026856	0.024571	0.031674	0.007105	Plot
novas	pyslalib	icrs	ecliptic	0.069170	0.062263	0.078201	0.017047	Plot
palpy	pyast	icrs	ecliptic	0.059451	0.053648	0.068844	0.015780	Plot
palpy	pyslalib	icrs	ecliptic	0.036442	0.033080	0.041558	0.008934	Plot
pyast	pyslalib	icrs	ecliptic	0.075274	0.068358	0.086278	0.018900	Plot

icrs to fk4

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	icrs	fk4	0.000004	0.000004	0.000006	0.000001	Plot
astropy	palpy	icrs	fk4	0.004450	0.004217	0.006194	0.001322	Plot
astropy	pyast	icrs	fk4	0.004450	0.004217	0.006194	0.001322	Plot
astropy	pyslalib	icrs	fk4	0.004450	0.004217	0.006193	0.001322	Plot
kapteyn	palpy	icrs	fk4	0.004450	0.004216	0.006194	0.001322	Plot
kapteyn	pyast	icrs	fk4	0.004450	0.004216	0.006194	0.001322	Plot
kapteyn	pyslalib	icrs	fk4	0.004449	0.004216	0.006194	0.001322	Plot
palpy	pyast	icrs	fk4	0.000000	0.000000	0.000000	0.000000	Plot
palpy	pyslalib	icrs	fk4	0.000000	0.000000	0.000003	0.000000	Plot
pyast	pyslalib	icrs	fk4	0.000000	0.000000	0.000003	0.000000	Plot

icrs to fk5

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	icrs	fk5	0.000000	0.000000	0.000000	0.000000	Plot
astropy	novas	icrs	fk5	0.025768	0.023355	0.030023	0.006856	Plot
astropy	palpy	icrs	fk5	0.000000	0.000000	0.000000	0.000000	Plot
astropy	pyast	icrs	fk5	0.000000	0.000000	0.000000	0.000000	Plot
astropy	pyslalib	icrs	fk5	0.000000	0.000000	0.000000	0.000000	Plot
kapteyn	novas	icrs	fk5	0.025768	0.023355	0.030023	0.006856	Plot
kapteyn	palpy	icrs	fk5	0.000000	0.000000	0.000000	0.000000	Plot
kapteyn	pyast	icrs	fk5	0.000000	0.000000	0.000000	0.000000	Plot
kapteyn	pyslalib	icrs	fk5	0.000000	0.000000	0.000000	0.000000	Plot
novas	palpy	icrs	fk5	0.025768	0.023355	0.030023	0.006856	Plot
novas	pyast	icrs	fk5	0.025768	0.023355	0.030023	0.006856	Plot
novas	pyslalib	icrs	fk5	0.025768	0.023355	0.030023	0.006856	Plot
palpy	pyast	icrs	fk5	0.000000	0.000000	0.000000	0.000000	Plot
palpy	pyslalib	icrs	fk5	0.000000	0.000000	0.000000	0.000000	Plot
pyast	pyslalib	icrs	fk5	0.000000	0.000000	0.000000	0.000000	Plot

icrs to galactic

Tool 1	Tool 2	System 1	System 2	Median	Mean	Max	Std. Dev.	Plot
astropy	kapteyn	icrs	galactic	0.000001	0.000001	0.000001	0.000000	Plot
astropy	palpy	icrs	galactic	0.001235	0.001110	0.001414	0.000319	Plot
astropy	pyast	icrs	galactic	0.001235	0.001110	0.001414	0.000319	Plot
astropy	pyslalib	icrs	galactic	0.001235	0.001110	0.001414	0.000319	Plot
kapteyn	palpy	icrs	galactic	0.001235	0.001110	0.001414	0.000319	Plot
kapteyn	pyast	icrs	galactic	0.001235	0.001110	0.001414	0.000319	Plot
kapteyn	pyslalib	icrs	galactic	0.001235	0.001110	0.001414	0.000319	Plot
palpy	pyast	icrs	galactic	0.000000	0.000000	0.000000	0.000000	Plot
palpy	pyslalib	icrs	galactic	0.000000	0.000000	0.000000	0.000000	Plot
pyast	pyslalib	icrs	galactic	0.000000	0.000000	0.000000	0.000000	Plot