5
$\begingroup$

This image depicts our solar neighborhood enter image description here Source https://uh.edu/~jclarage/astr3131/lectures/9/9.html "Star distances in our solar neighborhood (e.g., Proxima Centauri 4.3 LY)"

The plane defined by the concentric circles, does it have a relationship to any galactic reference points or the ecliptic?

$\endgroup$
1
  • 2
    $\begingroup$ Agree with the answer that the plane is the celestial equator. I'll add that the origin of RA points bottom center ( pointing out of the screen), and increases clockwise. $\endgroup$ Commented Apr 24 at 16:16

1 Answer 1

5
$\begingroup$

By inspection of a star charting app, I'd say the circles lie in the celestial equator, ie declination equal 0 degrees. Stars above the circles are to the north and vice versa.

$\endgroup$

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .