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Re: Astronomical Data, property "position"

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  • Subject: [mg128647] Re: Astronomical Data, property "position"
  • From: Bob Hanlon <hanlonr357 at>
  • Date: Tue, 13 Nov 2012 00:04:38 -0500 (EST)
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AstronomicalData["Sun", "Position"]

{0, 0, 0}

AstronomicalData["ProximaCentauri", "Position"]

{-1.453968904807471*^16, -2.431970861573526*^16,

Under More Information:
	"Position"     	{x, y, z} position in heliocentric coordinates in meters
	Positions are given in FK5 heliocentric coordinates in the equinox of
the date used.


"The Fifth Fundamental Catalogue (FK5) was a 1988 update of FK4 with
new positions for the 1,535 stars. It was superseded by the
quasar-based International Celestial Reference Frame (ICRF)."

AstronomicalData["ProximaCentauri", "Declination"]


AstronomicalData["ProximaCentauri", "RightAscension"]


AstronomicalData["ProximaCentauri", "Distance"]


Bob Hanlon

On Mon, Nov 12, 2012 at 3:06 AM,  <thebro95 at> wrote:
> Hello everybody,
> I'm doing a programme of Positional Astronomy and I would like to know if you could help me with this command (for any star):
> AstronomicalData["ProximaCentaury", "Position"]
> It gives some axial heliocentric coordinates of the star, but I do not have any idea about where every axis points.
> Thank you for your help!

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