étoile de Barnard vs Rigil Kentaurus
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://starfyi.com/iframe/entity//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://starfyi.com/entity//Add a dynamic SVG badge to your README or docs.
[](https://starfyi.com/entity//)Use the native HTML custom element.
| Property | étoile de Barnard | Rigil Kentaurus |
|---|---|---|
| Désignation | N/A | Alp1Cen |
| Constellation | N/A | Centaurus |
| Classe Spectrale | N/A | Class G — G-type (Yellow) |
| Magnitude Apparente | +9.54 | -0.01 |
| Magnitude Absolue | 13.24 | 4.38 |
| Distance | 6.0 ly | 4.3 ly |
| Masse | N/A | N/A |
| Rayon | N/A | N/A |
| Température | N/A | N/A |
| Luminosité | N/A | N/A |
Key Differences
- ◆ Both are among the very closest stars to the Sun, though radically different in character.
- ◆ Rigil Kentaurus (Alpha Cen A) is a G-type solar twin at 4.37 ly; Barnard's Star is an M-type red dwarf at 5.96 ly.
- ◆ Barnard's Star has the largest proper motion in the sky (10.3 arcsec/yr); Rigil Kentaurus also has significant proper motion.
- ◆ Rigil Kentaurus is far brighter and more massive than Barnard's Star.
- ◆ Barnard's Star is the second-closest star system; Alpha Centauri (including Proxima) is the closest.